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当前位置: 首页 > 文章 > 德国镜鲤选育系F_4天津群体中不同体型的遗传结构分析 水产学杂志 2009,22 (1) 21-25
Position: Home > Articles > Analyze gGenetic structures ofon different body shapes of tianjin population among Germany mirror carp selective strain F4 strains cultured in Tianjin Chinese Journal of Fisheries 2009,22 (1) 21-25

德国镜鲤选育系F_4天津群体中不同体型的遗传结构分析

作  者：
赵海燕;李池陶;石连玉;贾智英;胡雪松
单  位：
中国水产科学研究院黑龙江水产研究所;大连水产学院生命科学与技术学院
关键词：
德国镜鲤;遗传结构;微卫星
摘  要：
本文利用15对微卫星分子标记,对德国镜鲤选育系F4天津群体中的高背型和长条型德国镜鲤的遗传结构进行分析,结果表明:两种体型德国镜鲤F4群体平均等位基因数分别为5.0和5.1,平均期望杂合度分别为0.5527和0.5591,平均观测杂合度分别为0.5906和0.5824,平均多态信息含量分别为0.5653和0.5470。以卡方检验估计群体Hardy-Weinberg平衡显示有大部分位点发生了偏离。两体型间遗传相似性为0.8330,相似性较高。群体间遗传分化微弱(Fst=0.0242),群体内变异占总变异的97.58%。说明高背型德国镜鲤和长条型德国镜鲤在遗传结构上差异较小。由天津群体的等位基因数为5.05,期望杂合度为0.5559,观测杂合度为0.5865,多态信息含量为0.5562,可知天津群体属于中度多态,遗传多样性保持较高水平。
译  名：
Analyze gGenetic structures ofon different body shapes of tianjin population among Germany mirror carp selective strain F4 strains cultured in Tianjin
作  者：
ZHAO Hai-yan1,2,LI Chi-tao1, SHI Lian-yu1,JIA Zhi-ying1,HU Xue-song1 (1.Heilongjiang River Fishery Research Institute, Chinese Academy of Fisheriy Sciences, Harbin 150070, China; 2.College of Aqu-life Science and Technology, DaLian Fishery University, DaLian 1160023, China)
关键词：
Germany mirror carp; genetic structure; microsatellite
摘  要：
Fifteen microsatellite loci were used for analyzing genetic structures of Gao bei and Chang tiao of Germany mirror carp (Cyprinus carpio L. mirror) selective strain F4 strains. The results showed that , the average number alleles of two different body shapes of Germany mirror carp F4 were 5.0 and 5.1, the average expected heterozygosity values were 0.5527 and 0.5591, the average observed heterozygosity values were 0.5906 and 0.5824, the average polymorphic information content were 0.5653 and 0.5470, re- specitvely; The Hardy-Weinberg Equilibrium was checked according to the χ2 test, with the result of χ2 showed a few locusci devi- ated; The genetic similarity coefficient between two different body shapes of germany mirror carp genetic similarity coefficients were was 0.8330, pronouncing hey had a had higher genetic similarity ; only with a little weaker genetic differentiation was detected ( Fst = 0. 0242) , and the internal variation was 97. 58% of the total variation. Overall, it has a slightly genetic variation in the Gao bei and Chang tiao Germany mirror carp population genetic variation is little. However, according to the described above,the number alleles of Tianjin population was 5.05, the expected heterozygosity was 0.5559, the observed heterozygosity was 0.5865, the polymorphic infor- mation content was 0.5562, Germany mirror carp F4 strains cultured in Tianjin it is concluded that Tianjin population has moderate polymorphism and higher genetic diversity.

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