Establishment of microsatellite-based triplex PCR for parentage analysis of Chinese shrimp Fenneropenaeus chinensis
文献类型: 外文期刊
第一作者: Gao Huan
作者: Gao Huan;Kong Jie;Liu Ping;Meng Xianhong;Luan Sheng;Zhang Tianshi
作者机构:
关键词: multiplex PCR;touch-down PCR;microsatellite;parentage analysis;fenneropenaeus chinensis
期刊名称:ACTA OCEANOLOGICA SINICA ( 影响因子:1.431; 五年影响因子:1.445 )
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年卷期:
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收录情况: SCI
摘要: Through exploring the microsatellite primers from the random genome sequences of Chinese shrimp ( Fenneropenaeus chinensis) , some microsatellite primers were obtained with rich polymorphic genetic information, and a triplex PCR was established using three primers (RS1101, RS0683 and H081 primers). By adjusting the final concentration of Mg~(2+), dNTP and primers, and using a touch-town PCR program, the optimum amplification parameters of PCR system were obtained, which could successfully amplify the three primers in a PCR reaction. In the denatured PAGE gel, the amplified DNA fragments of three primers RS1101, RS0683 and H081 could be easily identified each other. For the triplex PCR system, the PPE (probabilities of paternity exclusion) is 0. 967 9, and the DP ( discrimination power) is 0. 999 327. Using the triplex PCR to test ten individuals of a parentage and their parents, an individual was excluded from the parentage in all of the three microsatellite loci, which might be mixed into the parentage for Some unknown reason such as factitious misplay. The triplex PCR will be of great practical value in identifying the parentages of F. chinensis.
分类号: P7
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