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This Week in Evolution

Author: Vincent Racaniello

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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.
108 Episodes
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Nels and Vincent review the identification of a novel virus associated with the pathogen Plasmodium knowlsei and which is part part of a diverse and unclassified viral taxon. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Virus associated with P. knowlsei (bioRxiv) Timestamps by Jolene Science Picks Nels – The peace of wild things, poem by Wendell Berry Vincent – All Life on Earth Today Descended From a Single Cell. Meet LUCA Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv
Nels and Vincent discuss the origins of eukaryotes, with contributions from at least 3 bacteria (alphaproteobacteria) and a large contribution from DNA viruses with large genomes. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Complex symbiotic interactions during eukaryogenesis (bioRxiv) Timestamps by Jolene Science Picks Nels – Pathoplexus.org Vincent – Can science cure its addiction to plastic? Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv
Nels and Vincent explain how homology searches of anti-phage systems in eukaryotic genomes can be used to discover proteins of the human immune system. Hosts: Nels Elde and Vincent Racaniello Subscribe (free): Apple Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server Human antiviral effectors from antiphage systems (Cell Host Micro) Timestamps by Jolene Science Picks Nels – Pathoplexus.org Vincent – Can science cure its addiction to plastic? Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv
Nels and Vincent look at how plant prickles, sharp epidermal projections that provide defense from predators and other advantages, arose by convergent evolution, the emergence of analogous traits in distantly related species. 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 Convergent evolution of plant prickles (Science) Timestamps by Jolene Science Picks Nels – Trees as a metaphor to understand relationships in biology Vincent – Project 2025 vs. The Public’s Health Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv
Nels and Vincent discuss the genome sequence of an ancient wooly mammoth, which shows that the three-dimensional architecture of the DNA can persist after 50,000 years. 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 Three dimensional architecture of 50,000 year old wooly mammoth genome (Cell) Timestamps by Jolene Science Picks Nels – Mysterious SARS-CoV-2 variants showing up in sewer samples Vincent – ‘Cocaine sharks’ found in waters off Brazil Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv
Nels and Vincent explore a direct experimental test of Ohno’s Hypothesis, which states that gene duplication can help genes tolerate new mutations and thus facilitates the evolution of new phenotypes. 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 Direct test of Ohno’s Hypothesis (eLive) Timestamps by Jolene Science Picks Nels – Experimental Evolution and the Nature of Biodiversity Vincent – Is science’s dominant funding model broken? Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
Rich Condit joins Nels and Vincent at the Science Mill in Johnson City, Texas, where Director of STEM Education Jeehyun Park talks about the goals of the childrens’ museum. Hosts: Nels Elde, Vincent Racaniello, and Rich Condit Guest: Jeehyun Park Subscribe (free): Apple Podcasts, Google Podcasts, RSS, email Become a patron of TWiEVO Links for this episode Join the MicrobeTV Discord server The Science Mill Timestamps by Jolene Science Picks Nels – Science Mill: More Than a Museum and Elde Lab Video Rich – The Moon May Get Its Own Time Zone (Claire Fahy, NYT 3/7/2023) Vincent – SXSW Session “From Adversary to Ally: Reimagining Viruses as Medicines“ Music on TWiEVO is performed by Trampled by Turtles Send your evolution questions and comments to twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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 twievo@microbe.tv
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