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This Week in Evolution

English, Sciences, 1 season, 101 episodes, 6 days, 4 hours, 47 minutes
About
This Week in Evolution is a podcast on the biology of what makes us tick. Hosts Nels Elde and Vincent Racaniello take you through the new evolution that has been revolutionized by the field of genomics and molecular biology.
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TWiEVO 102: Kelp gets some viral help

Nels and Vincent explain how deep genomics of macroalgae illuminate multiple paths to aquatic, photosynthetic multicellularity. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Paths to aquatic, photosynthetic multicellularity (Mol Plant) Timestamps by Jolene Science Picks Nels – 12-sided Roman relic baffles archaeologists, spawns countless theories Vincent – TWiEVO 11: Microbial accomplices in multicellularity and the follow up Synergistic Cues from Diverse Bacteria Enhance Multicellular Development in a Choanoflagellate Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/9/20241 hour, 30 minutes, 4 seconds
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TWiEVO 101: 99 problems but a tail ain't one

Nels and Vincent review the genetic basis for tail-loss evolution in humans and apes. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Genetic basis of tail loss evolution in apes (Nature) Timestamps by Jolene Science Picks Nels – Will Brie and Camembert Cheeses Go Extinct? Vincent – A True Human Tail in a Neonate: Case report and literature review Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/8/20241 hour, 34 minutes, 48 seconds
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TWiEVO 99: A shocking means to move genes

Nels and Vincent reveal how electric organ discharge from the electric eel facilitates the introduction of DNA into teleost larvae. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Electric eel discharge moves DNA into cells (Peer J) Timestamps by Jolene Science Picks Nels – “The Jump” quilt by Cristina Arcenegui Bono Vincent – T4 bacteriophage art object and Gwenbeads Etsy shop Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/8/20241 hour, 12 minutes, 44 seconds
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TWiEVO 98: The worms strike back!

Nels and Vincent discuss how behavioural individuality determines infection risk in clonal ant colonies. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Infection risk in clonal ant colonies (Nat Comm) Timestamps by Jolene Science Picks Nels – Fungi (lichens) in Space Vincent – Polar bear energetic and behavioral strategies on land with implications for surviving the ice-free period Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/27/20241 hour, 19 minutes, 54 seconds
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TWiEVO 97: Germs trapping worms

Nels and Vincent review a study of the key processes required for the different stages of fungal carnivory by a nematode-trapping fungus. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Fungal carnivory by a nematode-trapping fungus (Plos Biol) Timestamps by Jolene Science Picks Nels – Openly available illustrations as tools to describe eukaryotic microbial diversity Vincent – Dana-Farber retractions: meet the blogger who spotted problems in dozens of cancer papers Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/26/20241 hour, 19 minutes, 50 seconds
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TWiEVO 96: Going bananas over the origins of corn

Nels and Vincent discuss the origins of two modern day agriculturally important plants: a role for two different wild teosintes in making modern maize, and the origin and evolution of the triploid cultivated banana genome. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Two teosintes made modern maize (Science) Teosinte (Native Seeds) Evolution of triploid banana genome (Nature) Science Picks Nels – Why we need an academic career path that combines science and art – Nature Careers Podcast Vincent – Science’s 2023 Breakthrough and Breakdown Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/26/20231 hour, 29 minutes, 20 seconds
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TWiEVO 95: Watering the viruses until they bloom

Nels and Vincent discuss how the rewetting of seasonally dried soils, a critical event in Mediterranean grasslands that reactivates dormant soil microorganisms, leading to pulses of carbon and nitrogen mineralization, and is accompanied by a bloom of viral diversity, followed by extensive viral community turnover. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Viral but not bacterial community successional patterns reflect extreme turnover shortly after rewetting dry soils Science Picks Nels - Bluesky Vincent - Cancer Virus Hunters: A History of Tumor Virology Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
11/14/20231 hour, 1 minute, 30 seconds
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TWiEVO 94: A bacteria, a phage, and a selfish element walk into a cryptomonad

Nels and Vincent take apart an amazing symbiosis consisting of two bacteria, one bacteriophage, and seven different genomes all within a single-celled alga. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode •Join the MicrobeTV Discord server •A single crowded cryptomonad cell (Curr Biol) •Letters read on TWiEVO 94 Science Picks Nels – What happened at NIH during the last government shutdown Vincent – Geneticist J. Craig Venter: ‘I consider retirement tantamount to death’ Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
9/29/20231 hour, 37 minutes, 3 seconds
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TWiEVO 93: Faster than a speeding bacteria

Nels and Vincent review a collision of synthetic biology and experimental evolution, using a minimal synthetic bacterial cell with only 473 genes, the smallest genome of any known organism that can be grown in lab culture. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode •Join the MicrobeTV Discord server • Evolution of a minimal cell (Nature) Science Picks Nels – Life magnified stamp collection Vincent – Matters Microbial Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
8/25/20231 hour, 30 minutes, 29 seconds
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TWiEVO 92: There's algae in the jar

Nels and Vincent explain a study of how interspecies competition between two algae influences evolution of metabolism and size. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode •Join the MicrobeTV Discord server • Metabolic evolution during competition (Curr Biol) Science Picks Nels – How amino acids got their names (Source) Vincent – EVs Fix One Pollution Problem—And Worsen Another Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
7/21/20231 hour, 35 minutes, 42 seconds
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TWiEVO 91: Meet your very distant cousins

Nels and Vincent discuss new findings using phylogenetic approaches about how complex eukaryotic cells emerged from prokaryotic ancestors, which firmly place eukaryotes as a clade nested within the Asgard archaea. Hosts: Nels Elde and Vincent RacanielloS Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode •Join the MicrobeTV Discord server •Heimdallarchaeial ancestry of eukaryotes (Nature) Science Picks Nels – Juneteenth issue of Cell – collection of essays from black and brown scientists Vincent – Tara Oceans Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
7/17/20231 hour, 31 minutes, 50 seconds
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TWiEVO 90: The mystery of the mouse mummies

Nels and Vincent provide insights into the mystery of mouse mummies on the summits of >6000 m Andean volcanoes, including whether they were living there and if so why? Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode •Join the MicrobeTV Discord server •Mystery of mouse mummies (bioRxiv) Science Picks Nels – Zoonomia Vincent – SeaPhages Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/12/20231 hour, 27 minutes, 40 seconds
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TWiEVO 89: On the outer rim of tumor evolution

Nels and Vincent discuss the observation that cells on a boundary of a solid tumor have higher growth rates compared to those in the center and how to model this difference using genome sequencing data. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode •Join the MicrobeTV Discord server •Evolutionary models of solid tumor growth (Nat Ecol Evol) Science Picks Nels – TWiV 1000 Vincent – The dream of wiping out polio might need a rethink Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
4/25/20231 hour, 40 minutes, 58 seconds
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TWiEVO 88: Dog days of evolution in the shadows of Chernobyl

Nels and Vincent review a study of the dogs of Chernobyl which reveals that genetically distinct populations with different amounts of western breed contributions to their genomes, the first step in assessing the effects of exposure to long-term ionizing radiation. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode •Join the MicrobeTV Discord server •The dogs of Chernobyl (Science Adv) •What the dogs of Chernobyl can teach us (Stat) •Letters read on TWiEVO 88 Science Picks Nels – Hellbent documentary and Insufficient evidence for natural selection associated with the Black Death Vincent – BioRender Listener Pick Walter – Oded Rechavi and interview Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
3/26/20231 hour, 15 minutes, 55 seconds
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TWiEVO 87: Nathan Clark's revolutionary hair care advice

Nathan joins Nels and Vincent to discuss his approach to understanding how species adopt novel traits to overcome challenges, and its application to identifying coding and noncoding sequence changes that underlie mammalian hairlessness. Hosts: Nels Elde and Vincent Racaniello Guest: Nathan Clark Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode •Join the MicrobeTV Discord server •Gene loss in marine mammals (TWiEVO 34) •Gene change underlying mammalian hair loss (eLife) •Letters read on TWiEVO 87 Science Picks Nels – Local news coverage of Amanda, Maria, and Nathan’s paper Vincent – Discovering Retroviruses by Anna Marie Skalka Nathan – Genomics of Secondarily Temperate Adaptation in the Only Non-Antarctic Icefish Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/21/20231 hour, 34 minutes, 3 seconds
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TWiEVO 86: Pulling out the stops in genetic code evolution

Nels and Vincent discuss how evolution of changes in stop codon assignment might occur, and a novel mechanism for altering the meaning of translation stop codons discovered in a trypanosomatid with the apropos name, Blastocrithidia nonstop. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode •Join the MicrobeTV Discord server •Novel stop codon reassignment mechanisms (Nature) Science Picks Nels – Protein Synthesis: An epic on the cellular level  Vincent – Widespread stop-codon recoding in bacteriophages may regulate translation of lytic genes discussed on TWiM 277 Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/5/20231 hour, 45 minutes, 15 seconds
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TWiEVO 85: Teaching old dogs new genetic tricks

Nels and Vincent discuss the use of genome sequence data for over 4,000 domestic, semi-feral, and wild canids to understand the genetic drivers of canine behavior. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Genetic drivers of canine diversification (Cell) Time stamps by Jolene. Thanks! Science Picks Nels – Ghosts of Science Past Still Haunt Us by C. Brandon Ogbunu Vincent – The Biggest Ideas in the Universe by Sean Carroll Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/21/20221 hour, 37 minutes, 16 seconds
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TWiEVO 84: Decoding our defenses to the Black Death

Nels and Vincent review the use of ancient DNA to identify loci that may have been under selection during the Black Death by studying populations before, during, and after the pandemic. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Evolution of immune genes associated with Black Death (Nature) ERAP2 and respiratory disease (medRxiv) Time stamps by Jolene. Thanks! Science Picks Nels – Interview with Paul Turner in Current Biology and Map of the World if you are a fish Vincent – Smallpox and its eradication Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
11/8/20221 hour, 31 minutes, 42 seconds
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TWiEVO 83: Evolution spreads its wings (and then loses them)

Florian Maderspacher from Current Biology joins Nels and Vincent to discuss a special issue of the journal on birds. Hosts: Nels Elde and Vincent Racaniello Guest: Florian Maderspacher Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Current Biology Birds Special Issue Scott Edwards bikes across the US (Audubon) Support Diversity Issues in Evolution (Go Fund Me) Time stamps by Jolene. Thanks! Science Picks Florian – Favorite birds of authors/contributors in Birds issue Nels –Loss of avian intromittent organs as a sperm competition strategy: a race to be last Vincent – Malaria at the Bronx Zoo (TWiP 110) Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
10/24/20221 hour, 32 minutes, 20 seconds
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TWiEVO 82: A genetic hack for the human brain

Nels and Vincent consider evidence that a single amino acid change in the TKTL1 gene might have led to greater neurogenesis in the frontal cortex of modern humans compared with Neanderthals. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Human TKTL1 implies greater neurogenesis (Science) Everyone’s a little bit Neanderthal (TWiEVO 8) Tragic gene flow from Neanderthals (TWiV 676) Time stamps by Jolene. Thanks! Science Picks Nels – Unusual display of elements Vincent – Sykdomspulsen and summary Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
9/25/20221 hour, 32 minutes, 27 seconds
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TWiEVO 81: Evolution's new and improved slime molds

Nels and Vincent discuss how duplication of a gene encoding a transcription factor led to evolution of a novel cell type in the slime mold Dictyostelium. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Gene duplication leads to novel cell type (Current Biol) Evolution of multicellularity (TWiEVO 11) Letters read on TWiEVO 81 Time stamps by Jolene. Thanks! Science Picks Nels – Dall-E artificial intelligence meets art Vincent – John Bonner’s slime mold movies Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
8/24/20221 hour, 26 minutes, 19 seconds
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TWiEVO 80: Viruses of a feather bottleneck together

Louise Moncla joins Nels and Vincent to review her use of genomics to understand emergence, evolution, and transmission of respiratory viruses including influenza virus H5N1, mumps virus, and SARS-CoV-2. Hosts: Nels Elde and Vincent Racaniello Guest: Louise Moncla Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Within-host diversity of influenza virus H5N1 (PLoS Path) Mumps virus outbreak in Washington (eLive) SARS-CoV-2 tight transmission bottlenecks (PLoS Path) Time stamps by Jolene. Thanks! Science Picks Nels – JWST Images Vincent – 3rd International Symposium on Infectious Diseases of Bats and Program Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
8/1/20221 hour, 24 minutes, 16 seconds
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TWiEVO 79: When the immune system is away, SARS-CoV-2 will play

Nels and Vincent discuss an analysis of the drivers of evolution of SARS-CoV-2 during chronic infections, indicating that a tradeoff exists between antibody evasion and fitness. Hosts: Nels Elde and Vincent Racaniello Click arrow to play Download TWiEVO 79  (103 MB .mp3, 86 min) Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode SARS-CoV-2 evolution during chronic infection (Nat Med) Letters read on TWiEVO 79 Time stamps by Jolene. Thanks! Science Picks Nels – NASA scientists say images from the Webb telescope nearly brought them to tears Vincent – FDA: Don’t rush a move to change the Covid-19 vaccine composition Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
7/2/20221 hour, 38 minutes, 30 seconds
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TWiEVO 78: The virus daily double

Nels and Vincent provide an update on cases of monkeypox, and summarize a biochemical view of three changes in the SARS-CoV-2 spike protein that may balance positive and negative selection. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode ECDC monkeypox risk assessment (pdf) Monkeypox virus genomes (Nextstrain) Discussion of monkeypox virus genome sequencing (virological.org) Balancing positive and negative selection in spike protein (Biochem) Time stamps by Jolene. Thanks! Science Picks Nels – Science on the Side podcast by Morgan Nelson and Ty Chiaro  Vincent – Richard Ernst Lecture 2022 Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/26/20221 hour, 21 minutes, 42 seconds
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TWiEVO 77: The mutations of our lives

Alex joins Nels and Vincent to discuss his work which demonstrates that somatic mutation rates scale with lifespan in mammals. Hosts: Nels Elde and Vincent Racaniello Guest: Alex Cagan Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Somatic mutation and age (Nature) Zombie gene in elephants (TWiEVO 26) Time stamps by Jolene. Thanks! Science Picks Alex – Paper.app Nels – Fifty years since Lewontin’s apportionment of human diversity Vincent – An Exceptional Village Listener Pick Martha – Plagues Upon the Earth by Kyle Harper Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
4/26/20221 hour, 19 minutes, 24 seconds
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TWiEVO 76: One-step symbiosis

Nels and Vincent describe how a single amino acid change can allow E. coli to replace the essential gut symbiont of the stinkbug Plautia stali. Hosts: Nels Elde and Vincent Racaniello Click arrow to play Download TWiEVO 75  (103 MB .mp3, 86 min) Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Making E. coli an insect mutualist (bioRxiv) Letters read on TWiEVo 76 Time stamps by Jolene. Thanks! Science Picks Nels – Inequality in science and the case for a new agenda Vincent – Foundations of Virology by Fred Murphy Listener Pick Sam – Saturday Morning Breakfast – Evolutionist Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
3/22/20221 hour, 25 minutes, 43 seconds
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TWiEVO 75: Even the BANAL coronaviruses are interesting

Nels and Vincent review isolation of SARS-CoV-2-like viruses from bats in Laos that can replicate in human cells. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode SARS-CoV-2 like viruses in bats in Laos (Nature) Vampire vax (TWiV 809) Time stamps by Jolene. Thanks! Science Picks Nels – Erich Jarvis on scientists and public engagement Vincent – Polio type 1 in Africa Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/24/20221 hour, 38 minutes, 1 second
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TWiEVO 74: On racism, not race with Joe Graves

Joe Graves joins Nels and Vincent to discuss his career in evolutionary biology and his recent book that answers questions about race and racism. Hosts: Nels Elde and Vincent Racaniello Guest: Joe Graves Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode On Racism, Not Race (Amazon) African Americans in evolutionary science (Behav Ecol Sociobiol) Biological variation and the normal (Am J Hum Biol) Time stamps by Jolene. Thanks! Science Picks Nels – Where is Webb? Vincent – Black Microbiologists Association Joe – Biology versus bias Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/3/20221 hour, 25 minutes, 43 seconds
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TWiEVO 73: With a little help from your hosts

Nels and Vincent review three aspects of SARS-CoV-2: phylogenetics of Omicron, a two-step fitness selection for variants, and putative RNA insertions from host genomes. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Two-step fitness selection for SARS-CoV-2 variants (Cell Rep) Host origins of SARS-CoV-2 genome insertions (Virological) Time stamps by Jolene. Thanks! Science Picks Nels – Plant virus satellite accelerates wing formation in insect Vincent – A plant virus that switched to vertebrates Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/28/20211 hour, 36 minutes, 59 seconds
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TWiEVO 72: Echoes of evolution both shallow and deep

Nels and Vincent discuss evolutionary evidence for an epidemic of coronavirus infection over 20,000 years ago in East Asia, and reconstruction of the membrane differences between bacteria and Archaea reveals unexpected differences in permeability. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Ancient coronavirus epidemic in East Asia (Curr Biol) Gene-culture coevolution and human evolutionary transition (Proc Roy Soc B) Membrane permeability at the lipid divide (bioRxiv) Time stamps by Jolene. Thanks! Science Picks Nels – Slowed canonical progress in large fields of science Vincent – Virology Live Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
10/26/20211 hour, 15 minutes, 22 seconds
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TWiEVO 71: Faster than a speeding coronavirus

Nels and Vincent explain a method to calculate the mutation rate of SARS-CoV-2, and the role of a single amino acid change in spike in enhancing fitness of the delta variant and enabling it to out-compete the alpha variant. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode SARS-CoV-2 mutation rate (Genome Biology Evolution) Delta spike change enhances fitness (bioRxiv) Time stamps by Jolene. Thanks! Science Picks Nels – Leading Edge Symposium Vincent – Epidemiological and evolutionary dynamics of SARS-CoV-2 Listener Pick Thomas – The gene’s-eye view of evolution by J. Arvid Ågren Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
9/27/20211 hour, 27 minutes, 35 seconds
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TWiEVO 70: On Life's Edge with Carl Zimmer

Carl Zimmer joins Nels to talk about science writing, science communication, viruses, and his new book, On Life’s Edge. Host: Nels Elde Guest: Carl Zimmer Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode On Life’s Edge by Carl Zimmer Time stamps by Jolene. Thanks! Science Picks Nels – Remembrance of Dick Lewontin Carl – From telomere to telomere: the transcriptional and epigenetic state of human repeat elements Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
8/3/20211 hour, 21 minutes, 11 seconds
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TWiEVO 69: Swimming in SARS-CoV-2 sequences

Nels and Vincent discuss the identification of novel bat coronaviruses that shed light on the evolution of SARS-CoV-2, dating the first cases of COVID-19 to mid-November 2019, and recovery of deleted genome sequences from early in the Wuhan outbreak. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Identification of novel bat coronaviruses (Cell) Dating first cases of COVID-19 (PLoS Path) Recovery of deleted SARS-CoV-2 sequences (bioRxiv) Time stamps by Jolene. Thanks! Science Picks Nels – The Last—And Only—Foreign Scientist in the Wuhan Lab Speaks Out Vincent – Human Behavior During the Pandemic Is More Important Than Any Covid Variant Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
6/30/20211 hour, 30 minutes, 13 seconds
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TWiEVO 68: Stepping through time with SARS-CoV-2

Nels and Vincent explain a new method for calculating the most recent common ancestor of SARS-CoV-2, which concludes that the ancestral virus was circulating in October/November 2019, before its first detection in China. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Evolutionary portrait of SARS-CoV-2 (Mol Biol Evolution) Letters read on TWiEVO 68 Time stamps by Jolene. Thanks! Science Picks Nels – Ed Yong pandemic trauma and We’re Not Ready for the Next Pandemic Vincent – Furin cleavage site is not a smoking gun Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/29/20211 hour, 33 minutes, 34 seconds
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TWiVEO 67: Corona chameleon

Nels and Vincent review evidence for recombinant SARS-CoV-2 genomes arising in the B.1.1.7 lineage within the United Kingdom. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Recombination in B.1.1.7 lineage (Virological) CoVariants Letters read on TWiEVO 67 Time stamps by Jolene. Thanks! Science Picks Nels – Mars rover helicopter flight! Vincent – TWiN 17: Worms see the light with Michael Nitabach Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
4/22/20211 hour, 36 minutes, 35 seconds
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TWiEVO 66: SARS-2-mouse

Nels and Vincent review a preprint demonstrating that changes in the genomes of the SARS-CoV-2 variants B1.351 and P.1 allow the viruses to reproduce in mouse cells in culture and in laboratory mice. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Tony Schountz on TWiV 668 SARS-CoV-2 variants infect mice (bioRxiv) CoVariants Letters read on TWiEVO 66 Time stamps by Jolene. Thanks! Science Picks Nels – Billion years of plate tectonics Vincent – Sapiens a Graphic History by Yuval Noah Harari Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
3/25/20211 hour, 33 minutes, 45 seconds
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TWiEVO 65: Variants in the mist

Nels and Vincent review evidence that a single amino acid change in the SARS-CoV-2 spike protein has driven adaptation to humans, followed by an update on the status of variants of concern. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Selective sweep drove SARS-CoV-2 adaptation (bioRxiv) Novel coronavirus haplotypes Letters read on TWiEVO 65 Time stamps by Jolene. Thanks! Science Picks Nels – Radio Garden Vincent – Our World in Data – Coronavirus Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/25/20211 hour, 26 minutes, 27 seconds
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TWiEVO 64: Seeing the lineages for the variants

Nels and Vincent consider evolution of antibody immunity to SARS-CoV-2, and update the situation on novel virus variants of concern with potentially altered fitness and reactivity with antibodies. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Evolution of SARS-CoV-2 antibodies (Nature) mRNA vaccine-elicited antibodies to variants (bioRxiv) Scott Hensley thread (Twitter) Analysis of B.1.17 lineage (virological) Trevor Bedford thread (Twitter) Andrew Rambaut on variant naming (Twitter) Letters read on TWiEVO 64 Time stamps by Jolene. Thanks! Science Picks Nels – Biden Administration PCAST and The Hill We Climb Vincent – Four inaugural quotations – Lincoln, Roosevelt, Kennedy, Biden Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
1/22/20211 hour, 48 minutes, 43 seconds
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TWiEVO 63: Year of the coronavirus

Nels and Vincent wrap up 2020 with a discussion of novel variants of SARS-CoV-2 that have emerged in the United Kingdom and South Africa, how to interpret the rapidly emerging genome sequence data and what to look for in the coming weeks as these variants spread across the globe. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Preliminary genomic characterization of UK variant (virological) Clinical outcomes of infection with Orf8 variants (Lancet) Global Report Investigating Novel Coronavirus Haplotypes (GRINCH) South African SARS-CoV-2 lineage (medRxiv) Time stamps by Jolene. Thanks! Science Picks Nels – Katalin Karikos’ career and mRNA vaccines Vincent – Reverse Engineering of mRNA vaccine Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/31/20201 hour, 30 minutes, 33 seconds
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TWiEVO 62: Army ants with Daniel Kronauer

Daniel joins Nels and Vincent to discuss his new book on army ants, the wickedest insects ever to roam the planet, and his research on them and clonal raider ants. Hosts: Nels Elde and Vincent Racaniello Guest: Daniel Kronauer Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode This Week in Ants (TWiEVO 13) Raiders of the Lost Orco (TWiEVO 18) Army Ants by Daniel Kronauer Time stamps by Jolene. Thanks! Science Picks Daniel – Desert Navigator by Rüdiger Wehner and Insects of Suriname by Maria Sibylla Merian Nels – NPR Scicommers Vincent – The Vintage Beauty Of Soviet Control Rooms Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/7/20201 hour, 36 minutes, 7 seconds
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TWiEVO 61: Shot and chaser of SARS-CoV-2 evolution

Nels and Vincent discuss an opinion piece on 12 evolutionary insights into how the COVID-19 pandemic is shaping human nature, and prolonged SARS-CoV-2 reproduction in an immunosuppressed patient. Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Microbe.TV on instagram Pandemic exposes human nature (PNAS) Carl Bergstrom calls BS (Twitter) Prolonged SARS-CoV-2 reproduction in patient (J Inf Dis) Letters read on TWiEVO 61 Time stamps by Jolene. Thanks! Science Picks Nels – Scott Edwards bikes across US; support diversity in evolution Vincent – 30 computers sculpture project Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
10/31/20201 hour, 25 minutes, 55 seconds
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TWiEVO 60: Five years of TWiEVO on the future of our past

On the fifth anniversary of TWiEVO, Nels and Vincent invite 12 evolutionary biologists to describe exciting future directions for the field and their laboratory in the next five years. Hosts: Nels Elde and Vincent Racaniello Guests: Lillian Fritz Laylin, Talia Karasov, Andrew Kern, Sarah Tishkoff, Dmitri Petrov, Nancy Chen, Amanda Larracuente, John McCutcheon, Ambika Kamath, Chip Aquadro, Rebekah Rogers, Yaniv Braindvain, and Harmit Malik Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Science Picks Nels - Science Mill Virtual Tour and Benefit Vincent - Das Coronavirus summaries Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]  
9/25/20201 hour, 50 minutes, 46 seconds
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TWiEVO 59: The hypothesis giving tree

Nels and Vincent answer listener questions and discuss a newly discovered virus of amoeba with a nearly complete ORFan genome: none of the proteins encoded in the viral genome look like any other proteins. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Yaravirus (PNAS) Letters read on TWiEVO 59 Time stamps by Jolene. Thanks! Science Picks Nels - Blog by Ambika Kamath Vincent - TWiVerse Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
8/28/20201 hour, 27 minutes, 49 seconds
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TWiEVO 58: Not all coronaviruses ACE2 the test

Simon and Heather join TWiEVO to discuss their analysis of the evolutionary history of ACE2 usage by coronaviruses in the Sarbecovirus genus. Hosts: Nels Elde and Vincent Racaniello Guests: Simon Anthony and Heather Wells Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Evolutionary history of sarbecovirus ACE2 binding (bioRxiv) Bombali virus in bats (Nat Micro) Herpesviruses in Puerto Rican bats (bioRxiv) Adenovirus and herpesvirus in great apes (PLoS One) Time stamps by Jolene. Thanks! Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
8/13/20201 hour, 30 minutes, 29 seconds
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TWiEVO 57: SARS-CoV-2 receptor binding evolution blooms

Jessie, Allie and Tyler join Nels and Vincent to describe their work on deep mutational scanning of the SARS-CoV-2 receptor binding domain. Hosts: Nels Elde and Vincent Racaniello Guests: Jesse Bloom, Allie Greaney, and Tyler Starr Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Bloom Laboratory Deep mutational scanning of SARS-CoV-2 RBD (bioRxiv) Time stamps by Jolene. Thanks! Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
6/24/20201 hour, 24 minutes, 1 second
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TWiEVO 56: Revising the drafts of coronavirus evolution

Nels and Vincent continue their discussion of SARS-CoV-2 evolution, including understanding recurrent mutations in the viral genome, and the potential for re-emergence of the virus from an animal reservoir. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO SARS-CoV-2 genomic diversity (Inf, Genet, Evol) Re-emergence of SARS-CoV-2 (bioRxiv) Tackling SARS-CoV-2 rumors (virological.org) Letters read on TWiEVO 56 Image credit Time stamps by Jolene. Thanks! Science Picks Nels - The Cell in Evolution Vincent - Visual Science Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/20/20201 hour, 28 minutes, 5 seconds
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TWiEVO 55: Coronavirus evolution from soup to nuts

Nels and Vincent continue their discussion of SARS-CoV-2 evolution, with a report that the coronavirus proofreading enzyme stimulates RNA recombination, and debunking the conclusion that a change in the viral spike glycoprotein is associated with increased human to human transmission. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO CoV proofreading enzyme stimulates recombination (bioRxiv) CoV spike mutation pipeline (bioRxiv) Issues with CoV sequencing data (virological.org) Bill Hanage on selection vs bottleneck (threader.app) Image credit Time stamps by Jolene. Thanks! Science Picks Nels - In Memoriam: Gordon Lark Vincent - John Oliver Discussion of Antibody Tests Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/6/20201 hour, 13 minutes, 51 seconds
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TWiEVO 54: Rough drafts of SARS-CoV-2 science

Nels and Vincent continue their discussion of SARS-CoV-2 from an evolutionary viewpoint, including function of the furin cleavage site, whether Vervet cells are an informative system, another bat isolate, and a nomenclature to assist genomic epidemiology. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO SARS-CoV-2 in Vero cells (bioRxiv) More related SARSr virus from bat (bioRxiv) Patient isolates in Vero cells (medRxiv) Nomenclature for genomic epidemiology (bioRxiv) Time stamps by Jolene. Thanks! Science Picks Nels - EvoEco seminars Vincent - Coronavirus book for children Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
4/25/20201 hour, 17 minutes, 41 seconds
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TWiEVO 53: Virus evolution by land and by sea and by CoV, part II

Nels and Vincent continue their discussion of SARS-CoV-2 from an evolutionary viewpoint, focusing on what the genome sequences tell us about the virus. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Clement Chow with COVID-19 (Salt Lake Trib) Scientists exposed to coronavirus (Nature) CoV by Britt Glaunsinger (YouTube) Genetic epidemiology of novel coronavirus (nextstrain.org) Time stamps by Jolene. Thanks! Science Picks Nels - Science Mill Explorer Zone Vincent - COVID-19 treatment and therapy tracker Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
4/4/20201 hour, 31 minutes, 53 seconds
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TWiEVO 52: Virus evolution by land and by sea and by CoV

Nels and Vincent examine SARS-CoV-2 from an evolutionary viewpoint, examining what the spike glycoprotein sequence informs us about the origin of the virus. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Distinct CoV name needed (Lancet) Proximal origin of SARS-COV-2 (virological) CoV spillovers not rare (Goats and Soda) SARS-CoV-2 phylodynamics analysis (virological) Bat CoV surveillance in China (PLoS Path) Image credit Time stamps by Jolene. Thanks! Science Picks Nels - Alejandro Sanchez TED Talk Vincent - WHO SARS-CoV-2 Sitrep Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/26/20201 hour, 22 minutes, 43 seconds
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TWiEVO 51: The starting point paradox

Nels and Vincent dive deep into evolution and consider how new proteins emerged billions of years ago, when there were no other proteins to serve as starting material. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Primordial emergence of a nucleic acid binding protein (bioRxiv) Tawfik laboratory Image credit Letters read on TWiEVO 51 Time stamps by Jolene. Thanks! Science Picks Nels - Universal principled review Vincent - Hostile Planet by National Geographic Listener Pick Courtney - Nightwish Endless Forms Most Beautiful and Shudder Before The Beautiful Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
1/22/20201 hour, 10 minutes, 51 seconds
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TWiEVO 50: I'm dreaming of a Y chromosome

Nels and Vincent discuss signatures of sex chromosome evolution revealed by assembly of a young vertebrate Y chromosome from 3-spined stickleback fish. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Assembly of a young vertebrate Y chromosome (bioRxiv) Image credit Letters read on TWiEVO 50 Time stamps by Jolene. Thanks! Science Picks Nels - Genome from a 5,700-Year-Old Wad of Chewed Gum Vincent - NJ Sea-Level Rise Reports Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/24/20191 hour, 42 minutes, 57 seconds
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TWiEVO 49: A giant podcast on giant viruses

Rich joins Nels and Vincent for a debriefing on the 4th Ringberg Symposium on Giant Virus Biology in Tegernsee, Germany. Hosts: Nels Elde and Vincent Racaniello Guest: Rich Condit Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Endless giant virus forms most beautiful (TWiV 575) 4th Ringberg Giant Virus Meeting Program (pdf) Photographs by Matthias Fischer Time stamps by Jolene. Thanks! Science Picks Rich - Flightradar24 Nels - Deutsches Museum Munich Vincent - Diversify Microbiology Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
11/29/20191 hour, 53 minutes, 11 seconds
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TWiEVO 48: Flipping out with choanos on caffeine

Nels and Vincent reveal a new choanoflagellate that forms multicellular cup shaped colonies that respond to light to alternate between feeding and swimming behavior. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Microbial accomplices in multicellularity (TWiEVO 11) Light regulated collective contractility (Science) Image credit Letters read on TWiEVO 48 Time stamps by Jolene. Thanks! Science Picks Nels - How to write a great science paper by Cormac McCarthy Vincent - Natural Selection Store Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
10/31/20191 hour, 34 minutes, 29 seconds
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TWiEVO 47: On the origin of beer species

Nels and Vincent trace the origins of Saccharomyces cerevisiae strains used to make beer, and find that ales and lagers are made with yeasts that were derived from those used to make European grape wine and Asian rice wine. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Origins of beer yeasts (PLoS Biol) Chateau Jiahu beer Time stamps by Jolene. Thanks! Science Picks Nels - Population fluctuations in 10 biggest cities Vincent - 1.7 million year old rhino tooth (original Nature paper) Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
9/19/20191 hour, 31 minutes, 43 seconds
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TWiEVO 46: Can an old tumor teach us new tricks?

Nels and Vincent analyze the genomes of canine transmissible tumors to provide insight into the worldwide spread of the disease from its origin in a single dog 4000-8500 years ago, and its diversity, mutation, and evolution. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Evolution and mutation of canine transmissible cancer (Science) Clam cancers (TWiEVO 17) Sixth modality of infectious disease (PLoS Path) Time stamps by Jolene. Thanks! Science Picks Nels - Vasa Museum in Stockholm Vincent - Nobel Museum in Stockholm Listener Pick Irene - @EndlessFormsand #PlantScienceFascinatesMe #plantsday Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
8/31/20191 hour, 32 minutes, 5 seconds
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TWiEVO 45: Microbial secrets of mouse-ear cress

At ASM Microbe in San Francisco, Nels and Vincent meet up with Talia Karasov who reveals that in contrast to agriculture, wild plants are colonized by multiple lineages of pathogenic bacteria. Hosts: Nels Elde and Vincent Racaniello Guest: Talia Karasov Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Talia Karasov in the Bergelson lab Arabidopsis thaliana and Pseudomonas (Cell Host Micr) Time stamps by Jolene. Thanks! Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
7/29/20191 hour, 2 minutes, 1 second
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TWiEVO 44: The enemy of my enemy is my phage

At ASM Microbe in San Francisco, Nels and Vincent meet up with Paul Turner to talk about evolutionary considerations in using bacteriophages to treat infections with antibiotic-resistant bacteria. Hosts: Nels Elde and Vincent Racaniello Guest: Paul Taylor Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Turner Lab at Yale Phage therapy: A renewed approach (Cell Host Microbe) Phage treatment of aortic graft (Evol Med Pub Health) Time stamps by Jolene. Thanks! Science Picks Nels- Science Glass Vincent- Phage therapy for disseminated Mycobacterial infection Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
6/27/20191 hour, 4 minutes, 31 seconds
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TWiEVO 43: Social evolution with a side of shrimp

Dustin Rubinstein joins Nels and Vincent to discuss coevolution of genome architecture and social behavior, and studying social transitions in sponge-dwelling snapping shrimp. Hosts: Nels Elde and Vincent Racaniello Guest: Dustin Rubinstein Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Co-evolution of genome architecture and social behavior (Trend Ecol Evol) Social transitions in snapping shrimp (Curr Op Insect Sci) Time stamps by Jolene. Thanks! Science Picks Dustin- Genesis: The Deep Origin of Societies 1 by E.O. Wilson, and The Human Swarm by Mark O. Moffett Nels- For Love of Insects by Thomas Eisner Vincent- Quacks blamed for Pakistan HIV-1 outbreak Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/25/20191 hour, 20 minutes, 37 seconds
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TWiEVO 42: Who's who in your genome

Nels and Vincent review the contribution of multiple Denisovan lineages to the modern Papuan genome. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Denisovan ancestries in Papuans (Cell) Prof Murray Cox Image credit Letters read on TWiEVO 42 Time stamps by Jolene. Thanks! Science Picks Nels- Sydney Brenner - What Genomes Can Tell Us About the PastVincent- Scientific Communication in a Post-Truth Society Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
4/24/20191 hour, 18 minutes, 31 seconds
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TWiEVO 41: Where do baby genes come from?

Nels and Vincent explore the evolution of new protein-coding genes de novo from nocoding DNA sequences, using the antifreeze protein of northern codfish as a model. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Evolution of antifreeze protein gene in codfish (PNAS) Codfish diversity (Cheng lab) Frankentomatoes (Huff Post) Image credit Time stamps by Jolene. Thanks! Science Picks Nels- Science at Sundance reviews Vincent- The Rise and Fall of Scientific Authority Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
3/20/20191 hour, 24 minutes, 9 seconds
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TWiEVO 40: Eau de bee

Nels and Vincent move back to reproductive isolation - this time, pre-zygotic, in the charismatic orchid bee where the males make chemically distinct perfumes to attract mates of the same species. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Olfactory receptor gene underlies reproductive isolation (biorXiv) Image credit Time stamps by Jolene. Thanks! Science Picks Nels- Nature Zen: Orchid Bees Are Shiny Vincent- What You Believe About Science Denial May Be All Wrong Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/15/20191 hour, 11 minutes, 37 seconds
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TWiEVO 39: In a Legionella of their own

Nels and Vincent look at the intracellular bacteria Legionella from an evolutionary perspective: the role of gene acquisition and reshuffling from plants, animals, fungi, and archaea in the emergence of human pathogens. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Over 18,000 effectors in Legionella genome (PNAS) Carmen Buchrieser lab Howard Shuman Science Picks  Nels - Science in Film (twitter) Vincent - Lunar Eclipse 101 Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]    
1/26/20191 hour, 17 minutes, 11 seconds
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TWiEVO 38: Evolving to evolve

Nels and Vincent reveal a highly conserved protein that acts as an evolvability factor, increasing mutation and the ability of bacteria to become resistant to antibiotics. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Inhibiting evolution of antibiotic resistance (Mol Cell) Pushing viruses over the error threshold (virology blog) Image credit Letters read on TWiEVO 38 Science Picks Nels- Science/nature illustrator/artist Rachel Ignotofsky (website, Etsy shop) Vincent- Life Ascending by Nick Lane  Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/24/20181 hour, 20 minutes, 41 seconds
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TWiEVO 37: A tangled tree on the Quammens

David Quammen joins Nels and Vincent to talk about his new book, A Tangled Tree, including evolutionary trees, Carl Woese, Lynn Margulis, horizontal gene transfer, and much more. Hosts: Nels Elde and Vincent Racaniello Guest: David Quammen Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO David's website David on TWiV 408, Boston Quammens Axel Erlandson's trees reimagined - Gilroy Gardens Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
11/17/20181 hour, 31 minutes, 3 seconds
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TWiEVO 36: All's not quiet on the telomeric front

Mia joins Nels and Vincent to unravel their finding that the transposons that maintain the ends of chromosomes in Drosophilahave evolved in conflict with the genome. Hosts: Nels Elde and Vincent Racaniello Guest: Mia Levine Subscribe (free): iTunes, Google Podcasts, RSS, email Become a patron of TWiEVO Levine Lab at U Penn Telomere elongation without telomerase (bioRxiv) Letters read on TWiEVO 36 Science Picks Nels - Cinema Science podcast Vincent - Mastodon bones unearthed (Instagram, Grand Rapids News) Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
10/24/20181 hour, 15 minutes, 6 seconds
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TWiEVO 35: Strawberry sex chromosomes forever

Nels and Vincent reveal that female-specific DNA associated with sex in strawberries has repeatedly changed its genomic location, possibly linking new genes with sex.  Hosts: Nels Elde and Vincent Racaniello Become a patron of TWiEVO Jumping sex genes in strawberries (PLoS Biol) Red Queen by Matt Ridley Image credit Letters read on TWiEVO 35 Science Picks Nels - New snailfish and Cloned crayfish Vincent - A PhD Lab Coat Ceremony Listener Picks Steve - Diversity in simple blobs Justin - On Growth and Forms by D'Arcy Wentworth Thompson Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
9/21/20181 hour, 36 minutes, 11 seconds
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TWiEVO 34: You don’t know what you’ve got ‘til it’s PON

Nels and Vincent discuss how the loss of an enzyme in marine mammals millions of years ago now makes them at risk for neurotoxicity caused by human-made organophosphorous pesticides. Hosts: Nels Elde and Vincent Racaniello Become a patron of TWiEVO Ancient lossesof paraoxonase I (Science) Big Yellow Taxi (YouTube) Image credit Letters read on TWiEVO 34 Hey farmer farmer put away the chlor-pyri-fus I don’t care about spots on my apples Leave me the manatee and walruses Science Picks Nels - New dinosaur discovered in Utah Vincent -The Song of the Dodo by David Quammen Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
8/16/20181 hour, 22 minutes, 27 seconds
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TWiEVO 33: Fly by virus

Nels and Vincent are astounded by the finding of an insect-derived virus in a fungus that manipulates the behavior of flies. Hosts: Nels Elde and Vincent Racaniello Become a patron of TWiEVO Virus in fungus in fly (bioRxiv) On a leaf, no one can hear you scream (TWiV 443) Nels gives Benzer Lecture (YouTube) Domestication of fungal fly pathogen (bioRxiv) Sequencing E. muscae genome (10X genomics) Eisen's twitter stream on new iflavirus (Twitter) Science Picks Nels - Mindsuckers; getting photos; Anand Varma photos  Vincent - Happy Birthday Gregor Mendel Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
7/25/20181 hour, 20 minutes, 9 seconds
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TWiEVO 32: Never not neutral

Matt joins Nels and Vincent to discuss the neutral theory of evolution and its rejection in light of genome-scale data. Hosts: Nels Elde and Vincent Racaniello Guest: Matt Hahn Become a patron of TWiEVO Hahn Lab Molecular Population Genetics by Matt Hahn Neutral theoryin light of natural selection (Mol Biol Evol) Neutral Sequence Fallacy(Assembly of Fragments) Splendor and miseryof adaptation (BMC Biol) Image credit Letters readon TWiEVO 32 Science Picks Nels - Inaugural Transposon Day Vincent - How many human genes? Listener Pick Anne- Plants repeatedly lose ability to obtain nitrogen Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
6/19/20181 hour, 19 minutes, 11 seconds
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TWiEVO 31: Virus archaeology, or when the human genome is the junk

Nels and Vincent present ancient hepatitis B virus genome sequences from Bronze Age to Medieval period human remains. Hosts: Nels Elde and Vincent Racaniello Become a patron of TWiEVO Ancient hepatitis B virus genomes(Nature) Even more ancient HBV genomes(bioRxiv) Image credit Letters readon TWiEVO 31 Science Picks Nels - Sampling whale breathwith drones (Preprint) Vincent - Verge Science Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/19/20181 hour, 21 minutes, 23 seconds
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TWiEVO 30: Driving Miss Maize-y

Nels and Vincent reveal how a motor protein in corn causes preferential transmission of chromosomes to egg cells, leading to non-Mendelian inheritance. Hosts: Nels Elde and Vincent Racaniello Become a patron of TWiEVO Molecular Evolution and the Cellmeeting Selfishcorn chromosomes (Cell) Dawe Lab- neocentromeres and meiotic drive Image credit Letters readon TWiEVO 30 Science Picks Nels - Craypot stinkhorn mushroom (Colus pusilus) Vincent -Doubts raised over plan to release herpesvirus to wipe out carp Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
4/21/20181 hour, 15 minutes, 7 seconds
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TWiEVO 29: Evolution on the wing

Nels and Vincent discuss the evolution of blood feeding to nonbiting in a mosquito, and evolution of bacterial virulence in the house finch caused by incomplete host immunity. Hosts: Nels Elde and Vincent Racaniello Become a patron of TWiEVO Molecular Evolution and the Cell meeting Mosquito evolution from blood feeding to nonbiting (PNAS) Mosquito blood feeding is not a free lunch (virology blog) Incomplete immunity and evolution of virulence (Science) Image credit Letters read on TWiEVO 29 Science Picks Nels - IDEA and Impossible Foods Vincent - it is NOT junk Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
3/21/20181 hour, 42 minutes, 23 seconds
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TWiEVO 28: Genetics of skin pigmentation in Africa

Sarah Tishkoff joins Nels and Vincent to explain work from her laboratory on the genetic basis of skin pigmentation in Africans. Hosts: Nels Elde and Vincent Racaniello Guest: Sarah Tishkoff Become a patron of TWiEVO Molecular Evolution and the Cell meeting Sarah AMA on Reddit Genetics of African skin pigmentation (Science) Image credit Science Picks Nels - In Defense of Plants (Shrew Loo) Vincent - Contribution of NIH funding to new drug approvals Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/28/20181 hour, 19 minutes, 37 seconds
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TWiEVO 27: Coldevo

Taking a cue from the recent frigid weather, Nels and Vincent explore how modifications of a neuronal cold-sensing channel regulate diminished cold sensitivity in hibernating mammals. Hosts: Nels Elde and Vincent Racaniello Become a patron of TWiEVO Why ground squirrels and hamsters don't mind the cold (Cell Rep) Image credit Letters read on TWiEVO 27 Science Picks Nels - Undergrad podcasters from Stonehill College Vincent - Viruses at Target Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
1/13/20181 hour, 18 minutes, 25 seconds
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TWiEVO 26: My Scientist Vinny

Vinny Lynch joins Nels and Vincent to discuss how a zombie gene in elephants protects these large, long lived animals from cancer. Hosts: Nels Elde and Vincent Racaniello Guest: Vinny Lynch   Become a patron of TWiEVO Lynch Lab Elephant zombie LIF gene induces apoptosis (bioRxiv) Image credit Science Picks Nels - Animalism Vincent - Voyager I fires up thrusters after 37 years Vinny - Rollin' Wild Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/7/20171 hour, 13 minutes, 35 seconds
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TWiEVO 25: Pigeons show the way

Nels and Vincent discuss a genomic analysis of the passenger pigeon, which shows that species with large and stable populations may be at risk of extinction after a sudden environmental change. Hosts: Nels Elde and Vincent Racaniello Become a patron of TWiEVO Passenger pigeon genomic diversity (Science) Image credit Letters read on TWiEVO 25 Science Picks Nels - Video of nematophagous fungi Vincent - How should novelty be valued in science? John - Evo-Devo (Despacito Biology Parody) Melanie - What's in John's Freezer Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
11/22/20171 hour, 38 minutes, 25 seconds
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TWiEVO 24: Good viruses visiting bad neighborhoods

Marco Vignuzzi joins Nels and Vincent to discuss recent work from his laboratory on redirecting RNA virus evolution in sequence space. Hosts: Nels Elde and Vincent Racaniello Guest: Marco Vignuzzi Become a patron of TWiEVO Vignuzzi Laboratory Redirecting evolution of RNA viruses in sequence space (Nat Micro) Is quasispecies concept relevant to RNA viruses? (J Virol) This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. Get $30 off your first order and free shipping by going to blueapron.com/twie. Science Picks Nels - Global Tagging of Pelagic Predators Vincent - Why has the EPA shifted on toxic chemicals? Marco - Labs of Siobain Duffy, Seema Lackdawala, Chris Brook Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
10/26/20171 hour, 33 minutes, 59 seconds
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TWiEVO 23: The Alus are going to be alright

Nels and Vincent reveal how the protein DHX9 suppresses RNA processing defects caused by invasion of the Alu retroelement into the human genome. Hosts: Nels Elde and Vincent Racaniello Become a patron of TWiEVO DHX9 suppresses Alu defects (Nature) Asifa Akhtar on The Latest Thinking This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free with your first purchase – WITH FREE SHIPPING – by going to blueapron.com/twie. Science Picks Nels - Saving Hellbender Salamanders Vincent - The Living River Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
9/20/20171 hour, 14 minutes, 41 seconds
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TWiEVO 22: E pluribus cerevisiae

Maitreya Dunham joins Nels and Vincent to explain how her laboratory uses experimental evolution to study yeast flocculation, the community-building cell aggregation trait. Hosts: Nels Elde and Vincent Racaniello Guest: Maitreya Dunham Become a patron of TWiEVO Dunham Laboratory Adaptive Routes to Cell Aggregation in Yeast (Genetics) Making the best of a sticky situation (SGD) Yeast Genetics and Genomic Course (Cold Spring Harbor) Genetic basis of biofilm formation (Beacon) 2017 CSH Plate Race (YouTube) Image credit This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free with your first purchase – WITH FREE SHIPPING – by going to blueapron.com/twie. Science Picks Nels - Floating Fire Ant Colonies in Houston and Help for Houston Researchers Vincent - Help People Affected by Harvey and How To Help Harvey Victims Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
8/30/20171 hour, 21 minutes, 31 seconds
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TWiEVO 21: A virus with a green thumb

Rich Condit joins Nels and Vincent to explain how a vaccinia virus protein customizes ribosomes to favor the translation of viral mRNAs with a stretch of A residues in the 5'-untranslated region. Hosts: Nels Elde and Vincent Racaniello   Become a patron of TWiEVO Rich Condit with Harry Noller (scroll down) Trans-Kingdom mimicry? (Nature) More on RACK1 (Nat Struct Mol Biol) Image credit Letters read on TWiEVO 21 This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free with your first purchase – WITH FREE SHIPPING – by going to blueapron.com/twie. Science Picks Rich - Sniffing out significant “Pee values” Nels - Cuttlefish mimicking a hermit crab (evolutionary context) Vincent - Our first bioRxiv submission! Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
7/13/20171 hour, 45 minutes, 29 seconds
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TWiEVO 20: In the company of cnidarians

Nels and Vincent explore the role of TSR proteins during colonization of cnidarians by dinoflagellates. Hosts: Nels Elde and Vincent Racaniello   Become a patron of TWiEVO TSR domain proteins in cnidarian-dinoflagellate symbiosis A. elegantissima image credit Letters read on TWiEVO 20 Science Picks Nels - CRISPR 5 ways Vincent - The Vital Question by Nick Lane Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
6/20/20171 hour, 42 minutes, 35 seconds
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TWiEVO 19: The beauty of the story

Jonathan Weiner, author of the Pulitzer Prize-winning Beak of the Finch, joins Nels and Vincent to talk about his career and his writing.  Hosts: Nels Elde and Vincent Racaniello Guest: Jonathan Weiner Become a patron of TWiEVO Jonathan's Columbia University page Jonathan's author page Science Picks Nels - The Gap by Ira Glass Vincent - EPA removes climate science site Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
5/24/20171 hour, 24 minutes, 9 seconds
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TWiEVO 18: Raiders of the lost orco

Hosts: Nels Elde and Vincent Racaniello Guests: Ni-Chen 'Sylvia' Chang, Waring 'Buck' Trible, and Sean K. McKenzie Buck and Sean join Vincent in New York, while Sylvia is with Nels in Salt Lake City to discuss the first mutant ant ever made: disruption of orco, a gene required for function of odorant receptors, show defects in social behavior and fitness.   Become a patron of TWiEVO First ant mutants link odorant receptors and social behavior (bioRxiv) Kronauer Lab This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free with your first purchase – WITH FREE SHIPPING – by going to blueapron.com/twie. Science Picks Nels - Urban Nature and What Makes a City Ant? Vincent - Animations from WEHI Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
4/10/20171 hour, 32 minutes, 43 seconds
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TWiEVO 17: The curious cases of clam cancers

Hosts: Nels Elde and Vincent Racaniello Guest: Stephen Goff Nels joins Vincent in New York City to speak with Stephen Goff about transmissible clam cancers and the silencing of integrated retroviral genomes. Become a patron of TWiEVO A sixth modality of infectious disease (PLoS Path) Horizontal transmission of clam cancer (Cell) Transmissible bivalve cancers (Nature) Retrovirus transcriptional silencing (J Virol) Histones on retroviral DNA (Cell Host Micr) Image credit This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free with your first purchase – WITH FREE SHIPPING – by going to blueapron.com/twie. Science Picks Nels - Mindsuckers Vincent - What is a species? Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
3/13/20171 hour, 16 minutes, 41 seconds
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TWiEVO 16: Breaking in the making of genes

Hosts: Nels Elde and Vincent Racaniello Nels and Vincent reveal how introns - the parts of pre-mRNAs that are removed by splicing - were generated by DNA transposons in two different picoeukaryotes.   Become a patron of TWiEVO Introns from DNA transposons (Nature) Reverse transcription and integration lecture Image: Elde Lab Mobile Studios on location in Santa Fe, NM Letters read on TWiEVO 16 This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free with your first purchase – WITH FREE SHIPPING – by going to blueapron.com/twie. Science Picks Nels - Did eukaryotes invent anything? (TWiM 144) Vincent - Virology course online Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/25/20171 hour, 17 minutes, 17 seconds
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TWiEVO 15: From cockroaches to grizzly bears

Hosts: Nels Elde and Vincent Racaniello Guest: Hopi Hoekstra Nels and Vincent speak with Hopi Hoekstra about her career and the work of her laboratory on developmental mechanisms of stripe patterns in rodents.  Become a patron of TWiEVO Hoekstra Laboratory Hopi on Twitter Mechanisms of stripe patterns in rodents (Nature) Image credit Letters read on TWiEVO 15 This episode is brought to you by Blue Apron. Blue Apron is the #1 fresh ingredient and recipe delivery service in the country. See what’s on the menu this week and get your first 3 meals free – WITH FREE SHIPPING – by going to blueapron.com/twie. Science Picks Hopi -Diversify EEB, Anne's List Nels - Celebration for Harry Noller Vincent - Biological Warfare, Virus Style (journal article) Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
1/22/20171 hour, 45 minutes, 53 seconds
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TWiEVO 14: TWi-light on the Wasatch Front

Hosts: Nels Elde and Vincent Racaniello Guests: Jessica Brown, Michael Kay, Wayne Potts, June Round, and Janis Weis From the Microbial Pathogenesis Retreat of the University of Utah School of Medicine, held at the Utah Museum of Natural History, Nels and Vincent speak with faculty members about their work on bacteria, fungi, viruses, and mirror-image biochemistry. Watch video of this episode at YouTube   Become a patron of TWiEVO This episode is sponsored by CuriosityStream, a subscription streaming service that offers over 1,400 documentaries and non­fiction series from the world’s best filmmakers. Get unlimited access starting at just $2.99 a month, and for our audience, the first two months are completely free if you sign up at curiositystream.com/microbe and use the promo code MICROBE. Science Picks Nels - An Open Letter to My Class Vincent - The Beak of the Finch by Jonathan Weiner Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/22/20161 hour, 49 minutes, 26 seconds
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TWiEVO 13: This week in ants

Hosts: Nels Elde and Vincent Racaniello Guest: Corrie Moreau Corrie joins Nels and Vincent to talk about her comparative analysis of the genomes of mutualist ants that nest in plants, and non-symbiotic species.   Become a patron of TWiEVO Links for this episode Moreau Laboratory Different rates of evolution in ant-plant mutualisms (Nat Commun) Image credit This episode is sponsored by CuriosityStream, a subscription streaming service that offers over 1,400 documentaries and non­fiction series from the world’s best filmmakers. Get unlimited access starting at just $2.99 a month, and for our audience, the first two months are completely free if you sign up at curiositystream.com/microbe and use the promo code MICROBE. Science Picks Nels - Mind-melting animated gifs Vincent - Parasites Without BordersCorrie - Brain Scoop with Emily Graslie Listener Pick Chris - Shark weapons Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
11/16/20161 hour, 32 minutes, 9 seconds
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TWiEVO 12: Take a left at the goats

Hosts: Nels Elde and Vincent Racaniello Guest: Josh Drew Josh joins Nels and Vincent to talk about his research on the evolution and conservation of aquatic tropical  biodiversity, and the historical ecology of 19th century American Whalers. Become a patron of TWiEVO Links for this episode Drew Laboratory at Columbia University American Whalers by Ed Yong Karen Bao Sea cucumber genome Sea cucumber population connectivity (Nature) This episode is sponsored by CuriosityStream, a subscription streaming service that offers over 1,400 documentaries and non­fiction series from the world’s best filmmakers. Get unlimited access starting at just $2.99 a month, and for our audience, the first two months are completely free if you sign up at curiositystream.com/microbe and use the promo code MICROBE. This episode is also sponsored by Drobo, a family of safe, expandable, yet simple to use storage arrays. Drobos are designed to protect your important data forever. Visit www.drobo.com to learn more. Science Picks Nels - Dr. Mary-Claire King at World Science Festival Vincent - Contagious ThinkingJosh - Diversify EEB Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
10/19/20161 hour, 55 minutes, 43 seconds
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TWiEVO 11: Microbial accomplices in multicellularity

Hosts: Nels Elde and Vincent Racaniello Guest: Nicole King Nicole joins Nels and Vincent to discuss the finding of her laboratory that multicellular development of choanoflagellates, the closest living relatives of animals, is regulated by bacterial lipids.   Become a patron of TWiEVO Links for this episode Nicole King on Twitter Choanoflagellate workshop Bacterial lipids regulate Salpingoeca development (PNAS) Image credit Letters read on TWiEVO 11 This episode is sponsored by CuriosityStream, a subscription streaming service that offers over 1,400 documentaries and non­fiction series from the world’s best filmmakers. Get unlimited access starting at just $2.99 a month, and for our audience, the first two months are completely free if you sign up at curiositystream.com/microbe and use the promo code MICROBE. This episode is also sponsored by Drobo, a family of safe, expandable, yet simple to use storage arrays. Drobos are designed to protect your important data forever. Visit www.drobo.com to learn more. Science Picks Nels - I Contain Multitudes by Ed Yong (Fresh Air interview) Vincent - Viral Infections of Leisure by David Schlossberg Listener Pick Justin - Endless Forms Most Beautiful by Sean B. Carroll Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
9/27/20161 hour, 45 minutes, 43 seconds
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TWiEVO 10: Spicing up peppered moths with a selfish gene

Hosts: Nels Elde and Vincent Racaniello Nels and Vincent review experiments showing that the replacement of a pale moth with a black one during the industrial revolution was caused by a transposable element.   Links for this episode Last experiment of Michael Majerus (Biol Lett) Moth melanism mutation is transposon (Nature) Image credit Letters read on TWiEVO 10 Science Picks Nels - Is Pokémon Go good for science? (one, two, three) Vincent - Seven Brief Lessons on Physics by Carlo Rovelli Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected] Become a patron of TWiEVO
8/13/20161 hour, 34 minutes, 35 seconds
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TWiEVO 9: How to crash your gene drive

Hosts: Nels Elde and Vincent Racaniello Guest: Jim Bull Nels and Vincent speak with Jim Bull about the results of genetic models which suggest that the evolution of inbreeding in response to lethal gene drive might make population control difficult to achieve.   Links for this episode Lethal gene drive selects inbreeding (bioRxiv) Panel endorses gene drive technology (NY Times) Genes in Conflict by Austin Burt Letters read on TWiEVO 9 Science Picks Nels - Fertilization with parasitic sperm Vincent - Undark Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected] Become a patron of TWiEVO
7/5/20161 hour, 38 minutes, 23 seconds
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TWiEVO 8: Everyone's a little bit Neanderthal

Hosts: Nels Elde and Vincent Racaniello Nels visits Vincent in the MicrobeTV studio in New York and talks about how key genes of the Homo sapiens innate immune response were acquired from Neanderthals.   Links for this episode Introgressed Neanderthal haplotype at OAS locus (biorXiv) Genetic time travel (Genetics) Genetic history of Ice Age Europe (Nature) Letters read on TWiEVO 8 Science Picks Nels - DNA Clues to our Inner Neanderthal Vincent - Blockhead Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected] Become a patron of TWiEVO
6/8/20161 hour, 37 minutes, 55 seconds
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TWiEVO 7: Pigeon fashion week, feathery boots edition

Hosts: Nels Elde and Vincent Racaniello Guest: Mike Shapiro Mike joins Nels and Vincent to talk about his work on what controls whether pigeons have scaly or feathered feet, and reveals that the hindlimbs of domestic birds with feathery feet are more like wings at the molecular level.    Links for this episode Shapiro Laboratory Shifts in limb identity underlie development of feathered feet (eLife) Photo of Muffed Fairy Swallow by Sydney Stringham Science Picks Mike - Pigeon exhibit, Natural History Museum of Utah; Pigeonetics (App store); Darwin's PigeonsNels - National Parasite CollectionVincent - The Story Collider Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
4/23/20161 hour, 23 minutes, 55 seconds
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TWiEVO 6: Butterflies are free to shuffle

Hosts: Nels Elde and Vincent Racaniello Nels and Vincent continue with an emerging sub-theme of TWiEVO - organisms with wings - as they reveal how enhancer shuffling produces diverse butterfly wing patterns.   Links for this episode Enhancer shuffling for butterfly wing patterns (PLoS Biol) Batesian mimicry (Wikipedia) Müllerian mimicry (Wikipedia) Image credit Letters read on TWiEVO 6 Science Picks Nels - Hill Country Science MillVincent - The Butterfly Conservatory Listener Pick Stephen - Darwin Legacy Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
3/19/20161 hour, 42 minutes, 47 seconds
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TWiEVO 5: Looking at straw colored fruit bats through a straw

Hosts: Nels Elde and Vincent Racaniello Guests: Kartik Chandran and Sara Sawyer Sara and Kartik join Nels and Vincent to talk about the filovirus receptor NPC1 regulates Ebolavirus susceptibility in bats.   Links for this episode Sara on TWiV #193 Kartik on TWiV #314 NPC1 and bat susceptibility to Ebolaviruses (eLife) Science Picks Nels - Sundance Film Festival and MeruVincent - Quanta podcast (iTunes)Sara - Isolation of Marburg viruses from fruit bats Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
2/20/20161 hour, 38 minutes, 21 seconds
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TWiEVO 4: Taking the mystery out of the mystery of mysteries

Hosts: Nels Elde and Vincent Racaniello Guest: Nitin Phadnis Nitin joins Nels and Vincent to explain how he identified a gene that is responsible for male inviability in hybrids from a cross between two species of fruit flies. Links for this episode Cell cycle regulation gene causes hybrid inviability in fruit fly (Science) Phadnis laboratory Phadnis laboratory on Facebook Gene for new species discovered (UNews) Tardigrade HGT disputed (bioRxiv) Photo credit: Lee J. Siegel, University of Utah Science Picks Nels - Watercolor of Darwin and crewVincent - SpaceX rocket landing (Verge and ArsTechnica) Nitin - 120th anniversary of Roentgen's first X-ray Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
1/23/20161 hour, 35 minutes, 25 seconds
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TWiEVO 3: Recombination is for the birds

Hosts: Nels Elde and Vincent Racaniello Nels and Vincent discuss the evolution of recombination in the genomes of birds and yeast. Links for this episode Stable recombination hotspots in birds (Science) Putting the breaks on meiosis (Science) Evolutionary stability of recombination in yeast (Science) Image credit Science Picks Nels - Tardigrade horizontal gene transfer (The Atlantic article)Vincent - Einstein's theory of relativity changed everything Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
1/9/20161 hour, 22 minutes, 15 seconds
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TWiEVO 2: Faster than a speeding virus

Hosts: Nels Elde and Vincent Racaniello Nels and Vincent talk about how a cellular enzyme contributes to the very high mutation rate of human immunodeficiency virus type 1. Links for this episode Cell defense enzyme drives high HIV mutation rate (PLoS Biol) High mutation rate of HIV in vivo (PLoS Biol) High viral mutation rates are beneficial (virology blog) Image credit Science Picks Nels - Antelope Island State Park (Bison herders wanted)Vincent - Processed meats cause cancer Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to [email protected]
12/26/20151 hour, 13 minutes, 19 seconds
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TWiEVO 1: When (scientific) worlds collide

Hosts: Nels Elde and Vincent Racaniello Nels and Vincent launch a new podcast on evolution, and start by discussing how the field has changed through recent mergers of evolutionary and experimental biology in the post-genome era. Links for this episode Elde Laboratory Nels on TWiV 234 Mechanistic approaches to the study of evolution (Nat Rev Gen) Australian sheep blowfly (Wikipedia) Hopi Hoekstra Science Picks Nels - Your inner fish (video stream, Shubin website)Vincent - Prelude to Foundation by Isaac Asimov Music on TWiEVO is performed by Trampled by Turtles Send your virology questions and comments to [email protected]
12/12/20151 hour, 13 minutes, 57 seconds