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Low conservation of gene content in the Drosophila Y chromosome

Author

Listed:
  • 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)

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.

Suggested Citation

  • Leonardo B. Koerich & Xiaoyun Wang & Andrew G. Clark & Antonio Bernardo Carvalho, 2008. "Low conservation of gene content in the Drosophila Y chromosome," Nature, Nature, vol. 456(7224), pages 949-951, December.
    • Handle: RePEc:nat:nature:v:456:y:2008:i:7224:d:10.1038_nature07463
    DOI: 10.1038/nature07463
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