Independent mitochondrial origin and historical genetic differentiation in North Eastern Asian cattle

摘要: In order to clarify the origin and genetic diversity of cattle in North Eastern Asia, this study examined mitochondrial displacement loop sequence variation frequencies Bos taurus indicus Y chromosome haplotypes Japanese, Mongolian, Korean native cattle. analyses, 20% Mongolian carried B. haplotypes, but Japanese only haplotypes. contrast, all samples revealed This may be due import zebu other during Mongol Empire era with subsequent crossing taurine mtDNA sequences fall into several geographically distributed haplogroups one these, termed here T4, is described each test samples, has not been observed Near Eastern, European or African have locally domesticated from an East Eurasian strain primigenius.