Genetic diversity and paternal origin of domestic donkeys
2017
Han, H. | Chen, N. | Jordana, J. | Li, C. | Sun, T. | Xia, X. | Zhao, X. | Ji, C. | Shen, S. | Yu, J. | Ainhoa, F. | Chen, H. | Lei, C. | Dang, R.
Numerous studies have been conducted to investigate genetic diversity, origins and domestication of donkey using autosomal microsatellites and the mitochondrial genome, whereas the male‐specific region of the Y chromosome of modern donkeys is largely uncharacterized. In the current study, 14 published equine Y chromosome‐specific microsatellites (Y‐STR) were investigated in 395 male donkey samples from China, Egypt, Spain and Peru using fluorescent labeled microsatellite markers. The results showed that seven Y‐STRs—EcaYP9, EcaYM2, EcaYE2, EcaYE3, EcaYNO1, EcaYNO2 and EcaYNO4—were male specific and polymorphic, showing two to eight alleles in the donkeys studied. A total of 21 haplotypes corresponding to three haplogroups were identified, indicating three independent patrilines in domestic donkey. These markers are useful for the study the Y‐chromosome diversity and population genetics of donkeys in Africa, Europe, South America and China.
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