Distribution of Y chromosomal haplotypes in Japanese native horse populations.

Distribution of Y chromosomal haplotypes in Japanese native horse populations.
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DOI:
10.1294/jes.29.39
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发表时间:
2018
影响因子:
--
通讯作者:
Takasu M
Takasu M
中科院分区:
其他
文献类型:
--
作者:
Kakoi H;Kikuchi M;Tozaki T;Hirota KI;Nagata SI;Hobo S;Takasu M

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调查了Y染色体单倍型在日本地方马群体中的分布,以获得这些群体的遗传信息。本研究对来自8个地方群体的159匹公马进行了调查,通过对5个Y连锁基因座的分析,确定了3种Y单倍型(JHT-1、JHT-2和JHT-3)。五个种群只有JHT-1,而两个种群只有JHT-2。一个种群携带JHT-1和JHT-3。根据这些单倍型的地理分布和以前报道的其他亚洲马的单倍型,JHT-1被认为是祖先地方马的主要单倍型。每种单倍型的固定表明了独立育种和遗传漂移在每个群体中的影响。这些发现补充了之前对日本本土马的遗传研究结果。
The distribution of Y chromosomal haplotypes in Japanese native horse populations was investigated to obtain genetic information on these populations. Here, 159 male/gelded horses from eight local populations were investigated, and three Y haplotypes (JHT-1, JHT-2, and JHT-3) were identified by analyzing five Y-linked loci. Five populations had only JHT-1, whereas two populations had only JHT-2. One population had JHT-1 and JHT-3. Based on the geographical distribution of these haplotypes and previously reported haplotypes for other Asian horses, JHT-1 is considered to be a major haplotype in ancestral native horses. The fixation of each haplotype suggests the influence of independent breeding and genetic drift in each population. These findings complement the results from previous genetic studies of Japanese native horses.
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发表时间: 2014-11
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影响因子: --
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