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首页> 外文期刊>Systematic and Applied Microbiology >Vibrio communities in scleractinian corals differ according to health status and geographic location in the Mediterranean Sea
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Vibrio communities in scleractinian corals differ according to health status and geographic location in the Mediterranean Sea

机译：Scleractinian珊瑚的颤音社区根据地中海的健康状况和地理位置而不同

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摘要

The increase in seawater temperature associated with global warming is a significant threat to coral health and is linked to increasing mass mortality events and Vibrio-related coral diseases. In the Mediterranean Sea, the endemic Cladocora caespitosa and the invasive species Oculina patagonica are the main scleractinian corals affected by mass mortalities. In this study, culturable Vibrio spp. assemblages associated with healthy and unhealthy colonies of these two shallow coral species were characterized to assess the presence of Vibrio pathogens in tissue necrosis. Vibrio communities associated with O. patagonica and C. caespitosa showed geographical differences, although these became more homogeneous in unhealthy specimens of both species. Furthermore, the number of recovered Vibrio specimens was more than five times higher in unhealthy than in healthy corals. Within these culturable vibrios, the known pathogens Vibrio mediterranei and Vibrio coralliilyticus were present in unhealthy colonies of both coral species in the two localities, suggesting that they could play a role in the health status of C. caespitosa and thus act as generalist pathogens in Mediterranean corals. Nonetheless, a clonal type of V. coralliilyticus detected in C. caespitosa was not associated with disease signs, suggesting that this species could encompass assemblages with different levels of virulence. (C) 2017 The Author(s). Published by Elsevier GmbH.
机译：与全球变暖相关的海水温度的增加是对珊瑚健康的重大威胁，与增加的质量死亡事件和血管相关珊瑚疾病有关。在地中海，地方性克拉科西亚山素瘤和侵袭性物种毒素是受大众杀伤症的主要核心珊瑚。在这项研究中，培养的vibrio spp。与这两种浅珊瑚物种的健康和不健康菌落相关的组装的特征是评估组织坏死中的弧菌病原体的存在。与O. patagonica和C.凯撒列相关的振动社区表现出地理差异，尽管这些在这两种物种的不健康标本中变得更加均匀。此外，回收的弧菌样本的数量比健康的珊瑚在不健康的较高程度上大于五倍以上。在这些培养的​​vibrios中，已知的病原体Mediterranei和Vibrio Coralliilyticus存在于两种地方的两种珊瑚物种的不健康菌落中，这表明他们可以在C.凯撒列群岛的健康状况中发挥作用，因此在地中海的通用病原体发挥作用珊瑚。尽管如此，在C. caespitosa中检测到的克隆V.Coralliilyticus的克隆类类型与疾病标志无关，这表明该物种可以包含不同程度的毒力水平的组装。 （c）2017年作者。由elsevier GmbH发布。

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