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不同地方乌骨鸡种群遗传多样性的微卫星DNA分析 被引量:3

Genetic Diversity in Black-bone Chicken Lines as Revealed by Microsatellite DNA Markers
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摘要 利用家禽基因组中的10个微卫星标记,对位于不同地区6个乌骨鸡种群的等位基因频率、各群体的遗传杂合度、群体间的遗传距离等进行了分析,并根据遗传距离对这几个乌骨鸡种群进行了聚类分析。结果表明,各乌骨鸡群体的遗传多样性较为丰富,并具有较高的选择潜力。各乌骨鸡种群间有一定的遗传距离,UPGMA聚类分析表明,黑凤乌骨鸡与白凤乌骨鸡最先被聚在一起,四川山地乌骨鸡黑羽系与川南山地乌骨鸡被聚为一类,草科鸡与旧院黑鸡被聚为一类。 Genetic diversity of six Sichuan blackbone chicken lines was evaluated on the basis of 10 microsatellite markers selected from the chicken Gene Bank.The result suggested that every microsatellite loci analyzed were polymorphic in those chicken lines and that all blackbone chicken lines had abundant genetic diversity and potential of selection in Sichuan province.The result of genetic distance indicated that there were some genetic difference among Sichuan blackbone chicken lines.The UPGMA cluster analysis clustered the BF line and the HF line as one at first,then the black line of Sichuan Shandi blackbone chicken (SH) and the SC line,the CK line and the LK line at a high proportion.This study suggested that microsatellite DNA marker was a useful tool in detecting genetic diversity in closely related breeds and accessions.
作者 朱庆 李亮
出处 《畜牧兽医学报》 CAS CSCD 北大核心 2003年第3期213-216,共4页 ACTA VETERINARIA ET ZOOTECHNICA SINICA
基金 四川省科技厅应用基础研究项目资助
关键词 地方品种 乌骨鸡种群 遗传多样性 微卫星DNA分析 杂合度 聚类分析 Black-bone chicken Microsatellite Molecular marker Genetic diversity Heterozygosity Cluster analysis
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