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This week in Molecular Biology and Evolution: A step ahead of influenza, honeybee sex
Date:10/29/2013

l 116-145 csd alleles worldwide, a great example of the enormous sequence variability within csd. They were able to finely decipher the minimum number of mutations leading to heterozygous csd, identify faster evolving hot spots within the csd gene, and how these may contribute to variability.

"Comprehensive insights into the sequence variability of the sex determining gene csd in honeybees elucidate the evolutionary processes that lead to the enormous number of csd-alleles found worldwide," said Hasselmann

Finally, they traced the data back over evolutionary time and found that a novel csd function affecting sex determination arises about every 400,000 years. The study provides one of the most comprehensive views of the enormous genetic diversity and the evolutionary forces shaping sex determination in bees, as well as how changes in csd affect honey bee colony fitness.


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Contact: Joe Caspemeyer
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Molecular Biology and Evolution (Oxford University Press)
Source:Eurekalert

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