Anhydrobiosis : the Curious Case of the Bdelloid Rotifer(Papers presented at the Seminar, "NIAS International Seminar for Cryobiology and Cryotechnology")

  • Boschetti Chiara
    Department of Chemical Engineering & Biotechnology, University of Cambridge
  • Crisp Alastair
    Department of Chemical Engineering & Biotechnology, University of Cambridge
  • Micklem Gos
    Biology Centre & Department of Genetics, University of Cambridge
  • Wise Michael J.
    School of Biomedical and Chemical Sciences, University of Western Australia
  • Tunnacliffe Alan
    Department of Chemical Engineering & Biotechnology, University of Cambridge

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  • Anhydrobiosis : the Curious Case of the Bdelloid Rotifer

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Leeuwenhoek first described anhydrobiosis in an aquatic microinvertebrate, the bdelloid rotifer, over 300 years ago. Initial studies suggest that the molecular mechanisms of desiccation tolerance in these fascinating animals are different to those in other organisms. Thus, bdelloids lack the non-reducing disaccharide, trehalose, and have atypical LEA proteins, although they do have powerful antioxidation systems. Bdelloids also have a remarkable capacity to acquire foreign genes by horizontal gene transfer, some of which are implicated in anhydrobiosis, suggesting that bdelloid anhydrobiosis might also involve tolerance mechanisms adopted from other organisms.

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