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| 藏獒群体遗传结构及基因流分析 | |
| 引用本文： | 兰小平,李三相,李勃,黄晶,鄢珣,崔泰保.藏獒群体遗传结构及基因流分析[J].畜牧兽医杂志,2010,29(2):32-34,37. |
| 作者姓名： | 兰小平 李三相 李勃 黄晶 鄢珣 崔泰保 |
| 作者单位： | 1. 天水师范学院生命科学与化学学院,甘肃,天水,741000 2. 四川农业大学 3. 甘肃农业大学 |
| 基金项目： | 甘肃省科技攻关项目，天水师范学院中青年教师基金 |
| 摘 要： | 采用RAPD技术对河曲藏獒和青海藏獒群体的遗传结构及基因流进行了分析。结果表明:河曲藏獒和青海藏獒群体的多态性位点百分率分别为85.53%和98.16%,平均为91.85%;两个藏獒群体的有效等位基因数(Ne)、Nei氏平均预期基因杂合度(H)和Shannon遗传信息指数(I)的平均值分别为1.5354、0.3191和0.4807;两个藏獒群体间的遗传分化系数(GST)为0.0691,基因流为3.3679,Nei氏标准遗传距离(D)为0.0505。结果说明藏獒群体内遗传变异丰富,不同地域的藏獒群体之间存在广泛的基因交流,群体之间遗传分化程度很低。 |
| 关 键 词： | 藏獒 随机扩增多态性染色体 遗传结构 基因流 |
Analysis of Population Genetic Structure and Gene Flow of Tibetan Mastiff |
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| LAN Xiao-ping,LI San-xiang,LI Bo,HUANG Jing,YAN Xun,CUI Tai-bao.Analysis of Population Genetic Structure and Gene Flow of Tibetan Mastiff[J].Journal of Animal Science and Veterinary Medicine,2010,29(2):32-34,37. | |
| Authors: | LAN Xiao-ping LI San-xiang LI Bo HUANG Jing YAN Xun CUI Tai-bao |
| Institution: | LAN Xiao-ping1,LI San-xiang1,LI Bo1,HUANG Jing2,YAN Xun3,CUI Tai-bao3(1.School of Life Science , Chemistry,Tianshui Normal University,Tianshui Gansu 741000,China,2.College of Animal Science , Technology,3.Gansu Agricultural University) |
| Abstract: | The genetic structure and gene flow of Hequ Tibetan Mastiff and Qinghai Tibetan Mastiff was analyzed by using RAPD technique.The results showed that the percentage of polymorphic RAPDs of Hequ Tibetan Mastiff and Qinghai Tibetan Mastiff within population was 85.53% and 98.16%,an average of 91.85%.The average value of two populations of Tibetan Mastiff's effective number of alleles(Ne),Nei's expected average heterozygosity(H) and Shannon's Information index(I) was 1.5354,0.3191 and 0.4807,respectively.Coeffi... |
| Keywords: | tibetan mastiff RAPD genetic structure gene flow |
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