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
作者: Lu, C. Y. 1 ; Cheng, L. 1 ; Li, C. 1 ; Zheng, X. H. 1 ; Cao, D. C. 1 ; Sun, X. W. 1 ;
作者机构: 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Beijing, Peoples R China
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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