| 应用微卫星标记对中国10个品种猪遗传变异的研究 |
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| 引用本文： | 李雪梅,谷忠新,李奎,彭中镇,龚炎长.应用微卫星标记对中国10个品种猪遗传变异的研究[J].山东农业大学学报(自然科学版),2000,31(3):261-264,268. |
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| 作者姓名： | 李雪梅 谷忠新 李奎 彭中镇 龚炎长 |
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| 作者单位： | 1. 河北农业大学,河北,保定,071001
2. 华中农业大学,湖北,武汉,430070 |
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| 基金项目： | 农业部“九五”畜牧业重点计划资助项目 |
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| 摘 要： | 对我国7个地方猪品种(二花脸、通城、清平、阳新、皖南花、赣东黑、万安)和3个引进品种(长白、大白、杜洛克)的4个微卫星位点的多态性进行了检测，并对品种内和品种间的遗传变异进行了群体遗传学分析。结果初步表明，地方品种中二花脸、赣东黑、通城的品种内遗传变异较高，万安的品种内遗传变异最低。除万安猪外，其它地方品种的品种内变异均大于引进品种。品种间的聚类结果基本符合品种的地缘分布。
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| 关 键 词： | 引进品种 遗传变异 二花 地方品种 微卫星标记 种猪 种内变异 微卫星位点 多态性 群体遗传学 |
THE GENETIC DIVERSITY OF TEN PIG BREEDS IN CHINA BY MEANS OF FOUR MICROSATELLITE LOCI |
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| LI Xue-mei,GU Zhongxin,LI Kui,PENG Zhong-zhen,GONG Yan-chang.THE GENETIC DIVERSITY OF TEN PIG BREEDS IN CHINA BY MEANS OF FOUR MICROSATELLITE LOCI[J].Journal of Shandong Agricultural University,2000,31(3):261-264,268. |
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| Authors: | LI Xue-mei GU Zhongxin LI Kui PENG Zhong-zhen GONG Yan-chang |
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| Abstract: | The polymorphism of four microsatellites has been investigated in seven Chinese indigenous pig beeds(Erhualian,Tongcheng,Qingping,Yangxin,Wannanhua,Gandonghei,Wanan) and three introduced breeds(Large White,Landrace,Duroc) in China,and the genetic diversity within and among populations is analyzed The results showd that Erhualian,Gandonghei,Tongcheng have higher within-breed variation,while Wanan has the lowest variation Within-breed variation of Chinese indigenous pig breeds except Wanan is higher than that of the introduced pig breeds The clustering of ten breeds is consistent with their geographical distribution |
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| Keywords: | Chinese pigs Microsatellite loci Genetic diversity |
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