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Category: Episode

  • Episode

TWiEVO 26: My Scientist Vinny

  • December 7, 2017
  • Tagged as: apoptosis, cancer, DNA damage, elephant, evolution, large body size, LIF gene, p53, Peto's Paradox, recombination, segmental duplication

Vinny Lynch joins Nels and Vincent to discuss how a zombie gene in elephants protects these large, long lived animals from cancer.

4 Replies
  • Episode

TWiEVO 25: Pigeons show the way

  • November 22, 2017
  • Tagged as: drift, evolution, extinction, genome, mitochondrial genome, mutation, natural selection, passenger pigeon, population

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.

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  • Episode

TWiEVO 24: Good viruses visiting bad neighborhoods

  • October 26, 2017
  • Tagged as: Coxsackievirus, evolution, influenza virus, quasispecies, sequence space, stop codon, Vignuzzi, viral, virology, virus, viruses

Marco Vignuzzi joins Nels and Vincent to discuss recent work from his laboratory on redirecting RNA virus evolution in sequence space.

6 Replies
  • Episode

TWiEVO 23: The Alus are going to be alright

  • September 20, 2017
  • Tagged as: Alu, DEAD box helicase, DHX9, dsRNA, evolution, genome, LINE, retroelement, retrotransposon, SINE

Nels and Vincent reveal how the protein DHX9 suppresses RNA processing defects caused by invasion of the Alu retroelement into the human genome.

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  • Episode

TWiEVO 22: E pluribus cerevisiae

  • August 30, 2017
  • Tagged as: adaptation, aggregation, biofilm, chemostat, evolution, experimental evolution, FLO, flocculation, multiplexed parallel evolution, Saccharomyces cerevisiae, transposable element, yeast

Maitreya Dunham joins Nels and Vincent to explain how her laboratory uses experimental evolution to study yeast flocculation, the community-building cell aggregation trait.

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  • Episode

TWiEVO 21: A virus with a green thumb

  • July 12, 2017
  • Tagged as: evolution, host shutoff, IRES, mimicry, poly(A) enhancer, poxvirus, protein kinase, RACK1, ribosome, vaccinia virus

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.

4 Replies
  • Episode

TWiEVO 20: In the company of cnidarians

  • June 19, 2017
  • Tagged as: cnidarian, coral, dinoflagellate, evolution, natural selection, sea anemone, symbiosis, thrombospondin type 1 protein repeat, TSR protein
TWiEVO

Nels and Vincent explore the role of TSR proteins during colonization of cnidarians by dinoflagellates.

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  • Episode

TWiEVO 19: The beauty of the story

  • May 24, 2017
  • Tagged as: Beak of the Finch, evolution, Jonathan Weiner, journalism, Long for This World, natural selection, Pulitzer Prize, science writing, Seymour Benzer, social amoeba, Time Love Memory
TWiEVO

Jonathan Weiner, author of the Pulitzer Prize-winning Beak of the Finch, joins Nels and Vincent to talk about his career and his writing.

2 Replies
  • Episode

TWiEVO 18: Raiders of the lost orco

  • April 10, 2017
  • Tagged as: ant, antennal lobe glomeruli, clonal raider ant, CRISPR, evolution, nesting, odorant, odorant receptor, orco, pheromone, social evolution
TWiEVO

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, causes defects in social behavior and fitness.

5 Replies
  • Episode

TWiEVO 17: The curious cases of clam cancers

  • March 13, 2017
  • Tagged as: clam cancer, endogenous retrovirus, evolution, methylation, molluscs, promoter, retrovirus, steamer, transmissible cancer, transposon, TRIM28
TWiEVO

Nels joins Vincent in New York City to speak with Stephen Goff about transmissible clam cancers and the silencing of integrated retroviral genomes.

1 Reply
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The Hosts of TWiEVO

Nels Elde, Ph.D.


Vincent Racaniello, Ph.D.


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