Isolation and characterization of polymorphic microsatellite markers from Coilia ectenes
文献类型: 外文期刊
第一作者: Rong, X. J.
作者: Rong, X. J.;Wang, Q. Y.;Rong, X. J.;Xu, Y. J.;Wang, Q. Y.;Liao, M. J.;Liu, X. Z.;Pan, C. Y.;Zhang, Z.;Wang, Y. G.
作者机构:
关键词: Coilia ectenes;Microsatellite marker;Genetic diversity
期刊名称:GENETICS AND MOLECULAR RESEARCH ( 影响因子:0.764; 五年影响因子:0.912 )
ISSN: 1676-5680
年卷期: 2013 年 12 卷 4 期
页码:
收录情况: SCI
摘要: Coilia ectenes (Jordan and Seale 1905) is an important anadromous species that is an important resource at risk of extinction because of over-fishing, pollution, and coastal construction. To evaluate the genetic diversity of C. ectenes for use in breeding programs, elite microsatellite-enriched libraries were constructed and novel microsatellite markers were developed, and applied to genetically detect wild populations. Out of 92 randomly selected and sequenced clones, 89 contained a CA or GA repeat motif. Twenty-two pairs of primers were designed to investigate the polymorphism and genetic structure of a wild population collected from the Yellow River estuary, China. It was found that 2 loci were monomorphic and 20 loci were polymorphic. The number of alleles per polymorphic loci ranged from 3 to 13, with an average of 7.9. The expected heterozygosity per locus ranged from 0.05 to 0.89, with an average of 0.68. The isolated polymorphic markers are expected to be of use in future genetic breeding programs for C. ectenes, and in the assessment of genetic variation within this species.
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