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Tag: genome

  • Episode

TWiEVO 35: Strawberry sex chromosomes forever

  • September 21, 2018
  • Tagged as: Dioecy, diversity, evolution, fertilization, genome, Homoeologs, Homomorphic, jumping sex genes, octoploid, parasites, reproduction, sex, sex chromosome, strawberry

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.

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  • Episode

TWiEVO 28: Genetics of skin pigmentation in Africa

  • February 27, 2018
  • Tagged as: Africa, epidermal pigmentation, gene, genome, genotype, melanin, melanocyte, skin pigmentation, ultraviolet response

Sarah Tishkoff joins Nels and Vincent to explain work from her laboratory on the genetic basis of skin pigmentation in Africans.

2 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 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 13: This week in ants

  • November 15, 2016
  • Tagged as: ant, Corrie Moreau, evolution, genome, mutualism, natural selection, plant, Pseudomyrmex, symbiosis
TWiEVO

Corrie Moreau joins Nels and Vincent to talk about her comparative analysis of the genomes of mutualist ants that nest in plants, and non-symbiotic species.

1 Reply
  • Episode

TWiEVO 3: Recombination is for the birds

  • January 9, 2016
  • Tagged as: breakpoint, DNA, evolution, finches, genome, hotspots, meiosis, Molly Przeworski, PRDM9, rearrangment, recombination, SPO11, yeast
TWiEVO

Nels and Vincent discuss the evolution of recombination in the genomes of birds and yeast.

1 Reply
  • Episode

TWiEVO 1: When (scientific) worlds collide

  • December 12, 2015
  • Tagged as: arms races, biology, Darwin, evo-devo, evolution, evolutionary, genome, genotype, phenotype, species
TWiEVO

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.

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The Hosts of TWiEVO

Nels Elde, Ph.D.


Vincent Racaniello, Ph.D.


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