Retrogenes reveal the direction of sex-chromosome evolution in mosquitoes

Retrogenes reveal the direction of sex-chromosome evolution in mosquitoes

The mosquito Anopheles gambiae has heteromorphic sex chromosomes, while the mosquito Aedes aegypti has homomorphic sex chromosomes. We use retrotransposed gene duplicates to show an excess of movement off the An. gambiae X chromosome only after the split with Ae. aegypti, suggesting that their ances...

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Veröffentlicht in:Genetics (Austin) 2010-10, Vol.186 (2), p.763-766
Hauptverfasser: Toups, Melissa A, Hahn, Matthew W
Format: Artikel
Sprache:eng
Schlagworte:
Aedes - genetics
Animals
Anopheles - genetics
Chromosomes
Culicidae - genetics
Evolution, Molecular
Gene Duplication
Gene expression
Genes, sry
Genetics
Genomics
Insects
Mosquitoes
Recombination, Genetic
Sex Chromosomes - genetics
X Chromosome - genetics
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Zusammenfassung:The mosquito Anopheles gambiae has heteromorphic sex chromosomes, while the mosquito Aedes aegypti has homomorphic sex chromosomes. We use retrotransposed gene duplicates to show an excess of movement off the An. gambiae X chromosome only after the split with Ae. aegypti, suggesting that their ancestor had homomorphic sex chromosomes.
ISSN:1943-2631
0016-6731
1943-2631
DOI:10.1534/genetics.110.118794