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Bottom of the swimming league: Naked mole rat sperm
Date:12/4/2011

van der Horst from University of the Western Cape explained, "Once the queen has picked her consort(s) she keeps the other females and males subordinate by using physical aggression. It seems that the resultant lack of competition between breeding males for the colony queen contributed to an overall decrease in sperm 'fitness'. Surprisingly, despite the low motility and dismal features of their sperm, these naked mole-rat males are fertile and fathered a number of healthy offspring per litter. We are very excited about our results because this would be the first example of degenerate orthogenesis occurring at a cellular level."


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Contact: Dr. Hilary Glover
hilary.glover@biomedcentral.com
44-203-192-2370
BioMed Central
Source:Eurekalert  

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