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磁珠富集法筛选西施舌微卫星序列
引用本文:朱立静,孙中响,陈淑吟,吉红九,许晓风,沈颂东.磁珠富集法筛选西施舌微卫星序列[J].南方水产,2011,7(4):10-15.
作者姓名:朱立静  孙中响  陈淑吟  吉红九  许晓风  沈颂东
作者单位:1. 苏州大学医学部细胞生物学系,江苏苏州215123;江苏省海洋水产研究所,江苏南通226007
2. 苏州大学医学部细胞生物学系,江苏苏州,215123
3. 江苏省海洋水产研究所,江苏南通,226007
4. 南京师范大学生命科学学院,江苏南京,210046
基金项目:江苏省2010年六大人才项目“江苏重要海洋双壳类种质资源应用研究”
摘    要:采用生物素-磁珠吸附微卫星富集法(FIASCO)筛选西施舌(Coelomactra antiquata)微卫星分子标记。结果获得含有重复次数不少于5次的微卫星序列38个,其中完美型占68.4%,非完美型26.3%,混合型5.3%。除探针中使用的CA和GA 2种重复外,还得到ATTG、CGTG和TGTTG的重复序列。微卫星重复次数主要集中在5~46次,最高为70次。利用这些微卫星序列设计了14对引物。该研究筛选出的微卫星标记为进一步研究西施舌的遗传多样性提供帮助。

关 键 词:微卫星  磁珠富集法  西施舌

Microsatellite enrichment by magnetic beads in Coelomactra antiquate
ZHU Lijing,SUN Zhongxiang,CHEN Shuyin,JI Hongjiu,XU Xiaofeng,SHEN Songdong.Microsatellite enrichment by magnetic beads in Coelomactra antiquate[J].South China Fisheries Science,2011,7(4):10-15.
Authors:ZHU Lijing  SUN Zhongxiang  CHEN Shuyin  JI Hongjiu  XU Xiaofeng  SHEN Songdong
Institution:ZHU Lijing1,2,SUN Zhongxiang1,CHEN Shuyin2,JI Hongjiu2,XU Xiaofeng3,SHEN Songdong1 (1.Department of Cell Biology,Medical College of Soochow University,Suzhou 215123,China,2.Institute of Oceanology & Marine Fisheries,Nantong 226000,3.College of Life Sciences,Nanjing Normal University,Nanjing 210046,China)
Abstract:In this experiment,magnetic bead hybridization method was used to enrich the microsatellite loci in Coelomactra antiquate.As a result,38 microsatellites that repeated no less than 5 times were found.Among the 38 microsatellites,68.4% are perfect,23.7% are imperfect and the rest are compound(7.9%).In addition to the biotin-labeled SRS(simple repetitive sequence) probe CA and GA,there are ATTG,TG,CGTG and TGTTG in the microsatellites.Microsatellite repeats mainly from 5 to 46 times,and the most repetitive num...
Keywords:microsatellite  Coelomactra antiquate  enrichment by magnrtic beads  
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