Shared Y chromosome repetitive DNA sequences in stallion and donkey as visualized using whole-genomic comparative hybridization

Gosálvez Berenguer, Jaime; Crespo Castejón, Francisco; Vega Plá, Jose Luis; López Fernández, Carmen; Cortés Gutiérrez, Elvira; Devila Rodríguez, M. I.; Mezzanote, Roberto

Shared Y chromosome repetitive DNA sequences in stallion and donkey as visualized using whole-genomic comparative hybridization

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Official URL

https://www.ejh.it/index.php/ejh/article/view/ejh.2010.e2

Publication date

2010

Authors

Gosálvez Berenguer, Jaime

Crespo Castejón, Francisco

Vega Plá, Jose Luis

López Fernández, Carmen

Cortés Gutiérrez, Elvira

Devila Rodríguez, M. I.

Mezzanote, Roberto

Publisher

PAGEPress

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URI

https://hdl.handle.net/20.500.14352/97414

Citation

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.