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A large palindrome with interchromosomal gene duplications in the pericentromeric region of the D. melanogaster Y chromosome.
María Méndez-Lago, C. Bergman, B. de Pablos, A. Tracey, S. Whitehead, A. Villasanté
The non-recombining Y chromosome is expected to degenerate over evolutionary time, however, gene gain is a common feature of Y chromosomes of mammals and Drosophila. Here, we report that a large palindrome containing interchromosomal segmental dupli…
The non-recombining Y chromosome is expected to degenerate over evolutionary time, however, gene gain is a common feature of Y chromosomes of mammals and Drosophila. Here, we report that a large palindrome containing interchromosomal segmental duplications is located in the vicinity of the first amplicon detected in the Y chromosome of D. melanogaster. The recent appearance of such amplicons suggests that duplications to the Y chromosome, followed by the amplification of the segmental duplications, are a mechanism for the continuing evolution of Drosophila Y chromosomes.
Published in
Molecular biology and evolution
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1
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4 | 2011 |
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