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New paper: Consequences of asexuality in natural populations: insights from stick insects

New paper: Consequences of asexuality in natural populations: insights from stick insects

Featured in Nature Research Highlights: Sex pays off for stick insects despite costs

 

We empirically tested theoretical predictions of the genomic consequences of asexuality using 5 Timema sex-asex sister pairs that are ecologically similar:

  1. signatures of arrested GC-biased gene conversion in asexuals that correspond to the timeframe of asexuality
  2. reduced levels of polymorphism consistent with some form of automixis and/or background selection
  3. less effective purifying selection in fixed and segregating mutations in asexuals
  4. unexpected: asexuals harbor more transcript variants (maybe translational errors? or some way to generate novelty?)

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