Shared Y chromosome repetitive DNA sequences in stallion and donkey as visualized using whole-genomic comparative hybridization
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2010
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PAGEPress
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Gosálvez J, Crespo F, Vega-Pla JL, López-Fernández C, Cortés-Gutiérrez EI, Devila-Rodriguez MI, Mezzanotte R. Shared Y chromosome repetitive DNA sequences in stallion and donkey as visualized using whole-genomic comparative hybridization. Eur J Histochem. 2010 Jan 28;54(1):e2
Abstract
The genome of stallion (Spanish breed) and donkey (Spanish endemic Zamorano-Leonés) were compared using whole comparative genomic in situ hybridisation (W-CGH) tech-nique, with special reference to the variability observed in the Y chromosome. Results show that these diverging genomes still share some highly repetitive DNA families localized in pericentromeric regions and, in the particular case of the Y chromosome, a sub-family of highly repeated DNA sequences, greatly expanded in the donkey genome, accounts for a large part of the chromatin in the stallion Y chromosome.