我国农区及农牧交错区绵羊与蒙古羊遗传分化研究

畜牧兽医学报 ›› 2005, Vol. 36 ›› Issue (6): 540-544.

我国农区及农牧交错区绵羊与蒙古羊遗传分化研究

鲁生霞;常洪;杜垒; 角田健司; 任战军;杨章平;孙伟;常国斌;王庆华;徐明;郭小雅;任湘莲

1.扬州大学动物科学与技术学院，扬州 225009； 2.昭和大学医学部，日本东京都　1428555；3.西北农林科技大学畜牧兽医学院，杨陵 712100

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2005-06-25 发布日期:2005-06-25

Study on Genetic Differentiation among Sheep from Agricultural Area and the Juncture Regions of Agriculture and Husbandry in China and Mongol Sheep

LU Sheng-xia;CHANG Hong;DU Lei;TSUNODA K; REN Zhan-jun; YANG Zhang-ping;SUN Wei;CHANG Guo-bin; WANG Qing-hua; XU Ming; GUO Xiao-ya; REN Xiang-lian

1. College of Animal Science and Technology， Yangzhou University, Yangzhou 225009，China;2.School of Medicine, Showa University, Tokyo 1428555,Japan; 3. College of Animal Science and Veterinary Medicine, Northwest Sci-Tech University of Agriculture and Forestry, Yangling 712100，China

Received:1900-01-01 Revised:1900-01-01 Online:2005-06-25 Published:2005-06-25

摘要/Abstract

摘要： 采用中心产区典型群随机抽样方法和多种电泳技术检测小尾寒羊、滩羊编码血液蛋白16个结构基因座上的变异，与蒙古国蒙古羊、我国湖羊和同羊的相同资料进行比较分析，探讨其遗传分化关系。除Alp 和X-p，结构基因座的基因遗传分化程度均低于7.341 7%，群体间遗传差异占5.370 5%。标准遗传距离、模糊聚类分析表明，湖羊、同羊、小尾寒羊和滩羊与蒙古羊亲缘关系逐渐疏远。遗传贴近度是否适合用于受研究群体和已知其始祖的现代群体之间的比较有待进一步验证。从结构基因座方面进一步证实小尾寒羊、滩羊的蒙古羊属性，揭示了5个绵羊群体之间的部分遗传差异。

关键词: 绵羊, 结构基因座, 遗传分化

Abstract: Using the method of “random sampling in typical colonies of the central area of the habitat ” and several electrophoresis techniques, the variations of 16 structural loci encoding blood proteins in Smalltailed Han sheep and Tan sheep were examined and compared with those of three other sheep populationsMongol sheep, Hu sheep and Tong sheep to explore their genetic differentiation. The coefficients of genetic differentiation at the structural loci were all below 7.341 7% except for Alp and X-p loci. The differences among populations were less than 5.370 5%. The standard genetic distance and fuzzy clustering showed the phylogenetic relationships among Mongol sheep and each of Hu sheep, Tong sheep, Small-tailed Han sheep and Tan sheep gradually estranged. Whether genetic approach degree was fit to compare the relationships among the analyzed populations and their known founder′s modern population or not needed further verification. This study further affirmed Small-tailed Han sheep and Tan sheep had the properties of Mongol sheep and revealed partial genetic differences of five sheep populations based on the structural loci.

Key words: sheep, structural locus, genetic differentiation

鲁生霞;常洪;杜垒;角田健司;任战军;杨章平;孙伟;常国斌;王庆华;徐明;郭小雅;任湘莲. 我国农区及农牧交错区绵羊与蒙古羊遗传分化研究[J]. 畜牧兽医学报, 2005, 36(6): 540-544.

LU Sheng-xia;CHANG Hong;DU Lei;TSUNODA K;REN Zhan-jun;YANG Zhang-ping;SUN Wei;CHANG Guo-bin;WANG Qing-hua;XU Ming;GUO Xiao-ya;REN Xiang-lian. Study on Genetic Differentiation among Sheep from Agricultural Area and the Juncture Regions of Agriculture and Husbandry in China and Mongol Sheep[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2005, 36(6): 540-544.

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