Comparison of intestinal bacterial communities in grass carp,Ctenopharyngodon idellus,from two different habitats

NI Jiajia; YU Yuhe; ZHANG Tanglin; GAO Lei

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Comparison of intestinal bacterial communities in grass carp,Ctenopharyngodon idellus,from two different habitats

机译：两种不同生境的草鱼，小叶锦鸡儿肠道细菌群落的比较

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The intestinal bacteria of vertebrates form a close relationship with their host.External and internal conditions of the host,including its habitat,affect the intestinal bacterial community.Similarly,the intestinal bacterial community can,in turn,influence the host,particularly with respect to disease resistance.We compared the intestinal bacterial communities of grass carp that were collected from farm-ponds or a lake.We conducted denaturing gradient gel electrophoresis of amplified 16S rRNA genes,from which 66 different operational taxonomic units were identified.Using both the unweighted pair-group method with arithmetic means clustering and principal component analysis ordination,we found that the intestinal bacterial communities from the two groups of pond fish were clustered together and inset into the clusters of wild fish,except for DF-7,and there was no significant correlation between genetic diversity of grass carp and their intestinal bacterial communities(Mantel one-tailed test,R=0.157,P=0.175).Cetobacterium appeared more frequently in the intestine of grass carp collected from pond.A more thorough understanding of the role played by intestinal microbiota on fish health would be of considerable benefit to the aquaculture industry.

机译：脊椎动物的肠道细菌与宿主之间有着密切的关系。宿主的外部和内部条件，包括其栖息地，都会影响肠道细菌群落。类似地，肠道细菌群落又可以影响宿主，尤其是在宿主方面。我们比较了从池塘或湖泊中收集的草鱼的肠道细菌群落，对16S rRNA基因进行了变性梯度凝胶电泳，从中鉴定出66个不同的操作分类单位。算术均值聚类和主成分分析排序的分组方法，我们发现两组池塘鱼的肠道细菌群落聚集在一起，并插入到野生鱼群中，除DF-7外，无显着性草鱼遗传多样性与肠道细菌群落的相关性试验，R = 0.157，P = 0.175）。集藻细菌在从池塘收集的草鱼的肠道中出现的频率更高。更透彻地了解肠道菌群对鱼类健康的作用将对水产养殖业产生巨大的好处。

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《中国海洋湖沼学报（英文版）》 |2012年第5期|757-765|共9页
作者
NI Jiajia; YU Yuhe; ZHANG Tanglin; GAO Lei;
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作者单位

Key Laboratory of Biodiversity and Conservation of Aquatic Organisms,Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan 430072,China;

Graduate University of Chinese Academy of Sciences,Beijing 100049,China;

Key Laboratory of Biodiversity and Conservation of Aquatic Organisms,Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan 430072,China;

State Key Laboratory of Freshwater Ecology and Biotechnology,Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan 430072,China;

Key Laboratory of Biodiversity and Conservation of Aquatic Organisms,Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan 430072,China;

Graduate University of Chinese Academy of Sciences,Beijing 100049,China;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
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Comparison of intestinal bacterial communities in grass carp,Ctenopharyngodon idellus,from two different habitats

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