Low conservation of gene content in the Drosophila Y chromosome

Leonardo B. Koerich, Xiaoyun Wang, Andrew G. Clark and Antonio Bernardo Carvalho ()
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Leonardo B. Koerich: Universidade Federal do Rio de Janeiro, Caixa Postal 68011, CEP 21944-970, Rio de Janeiro, Brazil
Xiaoyun Wang: Cornell University, Ithaca, New York 14853, USA
Andrew G. Clark: Cornell University, Ithaca, New York 14853, USA
Antonio Bernardo Carvalho: Universidade Federal do Rio de Janeiro, Caixa Postal 68011, CEP 21944-970, Rio de Janeiro, Brazil

Nature, 2008, vol. 456, issue 7224, 949-951

Abstract: A healthy Y chromosome Chromosomal organization is by and large evolutionarily stable. In Drosophila over 95% of the genes have remained on the same chromosome arm in 12 species that diverged about 63 million years ago. A study of Y chromosomes, however, reveals that only a quarter of D. melanogaster Y-linked genes are also Y-linked in the other 11 sequenced species. And in contrast to the mammalian Y chromosome, a picture of degeneration and gene loss, gene gains on the Drosophila Y chromosome outnumber losses by more than ten to one.

Date: 2008
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DOI: 10.1038/nature07463

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