| 六个青蟹群体的线粒体16S rRNA和COI基因部分序列差异 |
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| 引用本文： | 吉鹏宇,沈琪,唐小林,张吕平,胡超群.六个青蟹群体的线粒体16S rRNA和COI基因部分序列差异[J].海洋湖沼通报,2008(4). |
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| 作者姓名： | 吉鹏宇 沈琪 唐小林 张吕平 胡超群 |
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| 作者单位： | 1. 中国科学院南海海洋研究所,广州,510301
2. 广东省应用海洋生物学重点实验室,广州,510301 |
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| 基金项目： | 广东省应用海洋生物学重点实验室(LAMB)启动项目
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| 摘 要： | 对从广东阳江,广东吴川,广东珠海,福建东山,海南海口,海南三亚等六地区采集的六个青蟹群体进行分子遗传差异的研究。针对16S rRNA和COI序列进行群体间比对,聚类分析以及单倍型研究,其中各群体16S rRNA和COI序列相似度分别为99.69%,98.99%,平均遗传距离为0.033和0.018。聚类分析将全部个体的16S rRNA与Scylla paramamosain归为一类,将COI序列全部混杂,无按地理位置聚类现象。单倍型研究共发现33种单倍型,其中三亚群体单倍型分布最散,且在最为集中的A型中无三亚样本。研究结果表明东山等六地青蟹群体分子遗传背景基本相似。
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| 关 键 词： | 青蟹 16S rRNA基因 COI基因 |
THE DIFFERENCES OF GENES SEQUENCES BETWEEN 16S RRNA AND COI OF MUD CRAB FROM SIX LOCATIONS |
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| JI Pengyu,SHEN Qi,TANG Xiaolin,ZHANG Luping,HU Chaoqun.THE DIFFERENCES OF GENES SEQUENCES BETWEEN 16S RRNA AND COI OF MUD CRAB FROM SIX LOCATIONS[J].Transaction of Oceanology and Limnology,2008(4). |
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| Authors: | JI Pengyu SHEN Qi TANG Xiaolin ZHANG Luping HU Chaoqun |
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| Abstract: | Molecular diversity(16S rRNA gene and COI gene) of mud crabs collected from six different locations included Yangjiang,Wuchuan,Zhuhai,Dongshan,Haikou,and Sanya were studied in deal.The result showed that the similarity of the sequences of all 16S rDNA samples is 99.69% and COI sequences similarity is 98.99%,while the mean genetic distances are 0.033 and 0.018 ly.Clustering analysis showed that all on 16S rDNA samples appeared in the same cluster with Scylla paramamosain,and,there are all haplotypes and no obvious cluster on COI.Bases on these results the conclusion can be obtained that the molecular heredity of mud crabs in six locations is similar. |
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| Keywords: | Scylla paramamosain |
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