The assessment of genetic diversity within and among the eight subpopulations of Japanese Black cattle using 52 microsatellite markers

被引：10

作者：

Nishimaki, Takahiro ^{[1
]}

Ibi, Takayuki ^{[2
]}

Tanabe, Yoshihiro ^{[3
]}

Miyazaki, Yoshiyuki ^{[3
]}

Kobayashi, Naohiko ^{[4
]}

Matsuhashi, Tamako ^{[5
]}

Akiyama, Takayuki ^{[6
]}

Yoshida, Emi ^{[6
]}

Imai, Kazumi ^{[7
]}

Matsui, Mayu ^{[8
]}

Uemura, Keiichi ^{[9
]}

Watanabe, Naoto ^{[10
]}

Fujita, Tatsuo ^{[10
]}

Saito, Yosuke ^{[11
]}

Komatsu, Tomohiko ^{[12
]}

Yamada, Takahisa ^{[13
]}

Mannen, Hideyuki ^{[14
]}

Sasazaki, Shinji ^{[14
]}

Kunieda, Tetsuo ^{[2
]}

机构：

[1] Okayama Univ, Grad Sch Nat Sci & Technol, Okayama 7008530, Japan

[2] Okayama Univ, Grad Sch Environm & Life Sci, Okayama 7008530, Japan

[3] Livestock Improvement Assoc Japan Inc, Maebashi Inst Anim Sci, Maebashi, Gunma, Japan

[4] Gifu Prefectural Hida Reg Livestock Hyg Serv, Takayama, Japan

[5] Gifu Prefectural Livestock Res Inst, Takayama, Japan

[6] Gen Technol Ctr Hyogo Prefecture Agr Forest & Fis, Northern Ctr Agr Technol, Asago, Japan

[7] Hiroshima Prefectural Technol Res Inst, Hlth & Environm Ctr, Hiroshima, Japan

[8] Hiroshima Prefectural Technol Res Inst, Livestock Technol Res Ctr, Shobara, Japan

[9] Kagawa Prefecture Livestock Expt Stn, Miki, Kagawa, Japan

[10] Oita Prefectural Agr Forestry & Fisheries Res Ctr, Livestock Res Div, Taketa, Japan

[11] Miyagi Prefectural Livestock Expt Stn, Ohsaki, Miyagi 9896445, Japan

[12] Yamagata Prefectural Anim Ind Inst, Agr Res Ctr, Shinjo, Japan

[13] Niigata Univ, Fac Agr, Dept Agrobiol, Niigata 95021, Japan

[14] Kobe Univ, Grad Sch Agr Sci, Nada Ku, Kobe, Hyogo 657, Japan

来源：

ANIMAL SCIENCE JOURNAL | 2013年 / 84卷 / 08期

关键词：

genetic diversity; Japanese Black cattle; microsatellite marker; POPULATION-STRUCTURE;

D O I：

10.1111/asj.12045

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

Japanese Black cattle are at risk for genetic homogeneity due to intensive use of a few sires. Therefore, assessment of the actual genetic diversity of this breed is important for future breeding plans. In the present study, we investigated the genetic diversity within and among eight subpopulations of Japanese Black cattle using 52 microsatellite markers. The parameters for genetic diversity of Japanese Black cattle were comparable to those of other cattle breeds, suggesting that the relatively high genetic diversity of the breed. However, upon comparison among the eight subpopulations, the Hyogo subpopulation showed markedly low genetic diversity. The results of the pairwise F-ST values, phylogenetic network and structure analysis indicated that the Hyogo population has remarkably high level of genetic differentiation from other populations, while Yamagata, Niigata, Hiroshima and Kagawa populations have low levels of genetic differentiation. Furthermore, multidimensional scaling plots indicated that individuals in some subpopulations were separated from individuals in the other subpopulations. We conclude that while the overall genetic diversity of Japanese Black cattle is still maintained at a relatively high level, that of a particular subpopulation is significantly reduced, and therefore the effective population size of the breed needs to be controlled by correct mating strategies.

引用

页码：585 / 591

页数：7

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