User:Alexander S Mikheyev/Notebook/rotifer alien genes

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Summary

  • Bdelloid rotifers are tiny aquatic invertebrates. They are capable of asexual reproduction, and a number of lines of evidence suggest that they are, in fact, ancient asexuals [1, 2] They appear to acquire large numbers of genes from their environment [3]. We are interested in tracking the fate of these genes over time to answer the following questions:
    • Can foreign genes successfully integrate into existing eukaryotic genomes?
    • Can foreign genes serve as important sources of evolutionary novelty in an asexual organism?

References

  1. Mark Welch DB and Meselson MS. Rates of nucleotide substitution in sexual and anciently asexual rotifers. Proc Natl Acad Sci U S A. 2001 Jun 5;98(12):6720-4. DOI:10.1073/pnas.111144598 | PubMed ID:11381112 | HubMed [11381112]
  2. Mark Welch D and Meselson M. Evidence for the evolution of bdelloid rotifers without sexual reproduction or genetic exchange. Science. 2000 May 19;288(5469):1211-5. PubMed ID:10817991 | HubMed [10817991]
  3. Gladyshev EA, Meselson M, and Arkhipova IR. Massive horizontal gene transfer in bdelloid rotifers. Science. 2008 May 30;320(5880):1210-3. DOI:10.1126/science.1156407 | PubMed ID:18511688 | HubMed [18511688]
All Medline abstracts: PubMed | HubMed


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