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首页> 外文期刊>Marine biology >Microbial communities of the carapace, gut, and hemolymph of the Atlantic blue crab, Callinectes sapidus
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Microbial communities of the carapace, gut, and hemolymph of the Atlantic blue crab, Callinectes sapidus

机译：大西洋蓝蟹Callinectes sapidus的甲壳，肠道和血淋巴的微生物群落

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摘要

The Atlantic blue crab Callinectes sapidus is an important fisheries resource that is subject to mortality and morbidity from hemolymph infections. We used culture-independent methods based on the analysis of 16S rRNA genes to characterize and quantify the microfiora from the carapace, gut, and hemolymph of C. sapidus with the goals of (1) characterizing the C. sapidus microbial assemblage and (2) identifying the reservoirs of potential pathogens associated with the crab. We found that the carapace, gut and hemolymph microfiora have a core Proteobacteria community with contributions from other phyla including Bacteroidetes, Firmicutes, Spirochetes, and Tenericutes. Within this Proteobacteria core, y-Proteobacteria, including the members of the Vibrionaceae that are closely related to potential pathogens, dominate. Bacteria closely related to hemolymph pathogens were found on the carapace, supporting the hypothesis that punctures, molting damage, or broken dactyls may be routes for hemolymph infections. These results provide some of the first data on the blue crab microbial assemblage obtained with culture-independent techniques and offer insights into the routes of infection and potential bacterial pathogens associated with blue crabs.
机译：大西洋蓝蟹Callinectes sapidus是重要的渔业资源，易受血淋巴感染的影响而致死和发病。我们使用了基于16S rRNA基因分析的独立于培养物的方法来表征和定量来自小球藻的壳，肠和淋巴的微丝，目的是（1）表征小球藻的微生物组合和（2）识别与螃蟹有关的潜在病原体库。我们发现甲壳，肠道和血淋巴细丝菌具有核心的变形杆菌群落，而其他门类包括拟杆菌，硬毛，螺旋体和Tenericutes也有贡献。在这种变形杆菌核心中，y变形杆菌（包括与潜在病原体密切相关的弧菌科成员）占主导地位。在甲壳中发现了与血淋巴病原体密切相关的细菌，支持了这样的假说：穿刺，蜕皮损伤或半乳糖可能是血淋巴感染的途径。这些结果提供了通过不依赖培养的技术获得的蓝蟹微生物组合的一些初步数据，并提供了与蓝蟹相关的感染途径和潜在细菌病原体的见解。

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  • 来源
    《Marine biology》 |2013年第11期|2841-2851|共11页
  • 作者

    Carrie E. Givens; Karen G. Burnett; Louis E. Burnett; James T. Hollibaugh;

  • 作者单位

    Department of Marine Sciences, University of Georgia,Athens, GA, USA;

    Grice Marine Laboratory, College of Charleston,Charleston, SC, USA;

    Grice Marine Laboratory, College of Charleston,Charleston, SC, USA;

    Department of Marine Sciences, University of Georgia,Athens, GA, USA;

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