Retroposon insertions and the chronology of avian sex chromosome evolution.

doi:10.1093/molbev/msr147

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Article

Retroposon insertions and the chronology of avian sex chromosome evolution.

Molecular biology and evolution - 1 Nov 2011

Suh Alexander, Kriegs Jan Ole, Brosius Jürgen, Schmitz Jürgen

Abstract excerpt

The vast majority of extant birds possess highly differentiated Z and W sex chromosomes. Nucleotide sequence data from gametologs (homologs on opposite sex chromosomes) suggest that this divergence occurred throughout early bird evolution via stepwise cessation of recombination between identical sex chromosomal regions. Here, we investigated avian sex chromosome differentiation from a novel perspective, using...

Topics

Animals
Birds
DNA-Binding Proteins
Evolution, Molecular
Genetic Markers
Genetic Variation
INDEL Mutation
Models, Genetic
Phylogeny
Retroelements
Sex Chromosomes

Source

Open in PubMed

Identifiers

PMID: 21633113
DOI: 10.1093/molbev/msr147

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