| Identification of Y chromosome genetic variations in Chinese indigenous horse breeds. | |
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MedLine Citation:
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PMID: 20497969 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Y chromosome acts as a single nonrecombining unit that is male specific and in effect haploid, thus ensuring the preservation of mutational events as a single haplotype via male lines. In this study, 6 Y chromosome-specific microsatellites (SSR) were tested for the patrilineal genetic variations of 573 male samples from Chinese domestic horse (30 breeds), Przewalski's horse, and donkey. All the 6 loci appeared as a haplotype block in Przewalski's horse and the domestic donkey. There were notable differences, however, at Y chromosome markers between horse and donkey. There were 2 haplotypes of Eca.YA16 in the domestic horse breeds, Haplotype A (Allele A: 156 bp) and Haplotype B (Allele B: 152 bp). Allele A was the common allele among 30 horse breeds, and Allele B was found in 11 horse breeds. This is the first description of a Y chromosome variant for horses. The 2 haplotypes of Y chromosome discovered in the domestic horse breeds in China could be helpful in unveiling their intricate genetic genealogy. |
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Authors:
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Yinghui Ling; Yuehui Ma; Weijun Guan; Yuejiao Cheng; Yanping Wang; Jianlin Han; Dapeng Jin; Lai Mang; Halik Mahmut |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-05-23 |
Journal Detail:
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Title: The Journal of heredity Volume: 101 ISSN: 1465-7333 ISO Abbreviation: J. Hered. Publication Date: 2010 Sep-Oct |
Date Detail:
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Created Date: 2010-07-23 Completed Date: 2010-11-12 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0375373 Medline TA: J Hered Country: United States |
Other Details:
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Languages: eng Pagination: 639-43 Citation Subset: IM |
Affiliation:
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Animal Genetic Resources Laboratory, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Alleles Animals China Equidae / genetics Genetic Variation Haplotypes Horses / genetics* Male Microsatellite Repeats Phylogeny Y Chromosome / genetics* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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