期刊
LIVESTOCK SCIENCE
卷 131, 期 2-3, 页码 272-280出版社
ELSEVIER
DOI: 10.1016/j.livsci.2010.04.012
关键词
Donkey; Cytb; Genetic diversity; Maternal origin; Population structure
资金
- Nature Science Foundation of Shandong Province [Y2006D02]
- Dongying Vocational College
- Shandong Dong-e E-jiao Group
- Foundation of Taishan Scholar of Shandong Province
To be helpful for the conservation, utilization, and exploitation of the genetic resources of the indigenous Chinese donkeys, and analyze genetic diversity and provide some implications for their maternal origins, we first detailedly investigated the nearly whole mitochondrial Cytochrome b gene (cytb) of four Chinese donkey breeds' populations. In this study, abundant mitochondrial DNA (mtDNA) diversity and two distinct mitochondrial matrenal lineages, lineage Somali and lineage Nubian, were revealed in the four Chinese domestic donkey breed populations we analyzed. A co-existence model of two lineages as same as the previous studies was found in the four analyzed donkey breeds. Moreover, there was no obvious correspondence between the geographic regions, lineage structure, and maternal origins among all four Chinese donkey breeds. The pattern of genetic variation in analyzed donkey cytb gene indicated that the two lineages had not undergone population expansion events. (C) 2010 Elsevier B.V. All rights reserved.
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