Comparison of genetic diversity and growth traits among Fangzheng silver crucian carp (Carassius auratus gibelio) gynogenetic clones

文献类型： 外文期刊

第一作者： Lu, C. Y.

作者： Lu, C. Y.;Cheng, L.;Li, C.;Zheng, X. H.;Cao, D. C.;Sun, X. W.

作者机构：

关键词： Silver crucian carp;Gynogenetic clone;Polymorphism;Growth traits;Genetic diversity

期刊名称：IRANIAN JOURNAL OF FISHERIES SCIENCES （ 影响因子：0.801； 五年影响因子：1.031 ）

ISSN： 1562-2916

年卷期： 2016 年 15 卷 1 期

页码：

收录情况： SCI

摘要： The silver crucian carp (Carassius auratus gibelio), a gynogenetic teleost, is a promising model for the study of evolutionary genetics in vertebrates. We identified ten gynogenetic clones (FZ-I similar to FZ-X) from triploid silver crucian carp, collected from Fangzheng County in Heilongjiang Province, China, using microsatellite markers. The genetic diversity of these gynogenetic clones was analyzed using 52 microsatellite markers. A total of 413 alleles were detected and the length of fragments ranged from 96 to 340 bp. The number of alleles per locus varied from 2 similar to 19 (mean=7.9423). The observed heterozygosity at polymorphic loci ranged from 0.10 similar to 1.00 (mean=0.80). The average allele count per gynogenetic clone ranged from 1.9423 similar to 2.1923. The ratio of the polymorphic locus was from 71.15% (VII) to 84.61% (IX) per clone. The number of genotypes ranged from 2 similar to 10 per locus. Ten genotypes were observed by analyzing each of 14 microsatellites. As a result, each gynogenetic clone could be accurately identified. In addition, the growth traits, including body weight, length, and height, among five gynogenetic clones were compared. There was a significant difference among gynogenetic clones. Clone FZ-V exhibited the best growth traits, with the largest body weight (53.17 +/- 5.24 g), length (11.38 +/- 0.37 cm) and height (4.69 +/- 0.18 cm). Our results provide basic data for the identification of silver crucian carp gynogenetic clones and can be used as a guide genetic breeding programs.

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