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首页> 外文期刊>Microorganisms >Unraveling Heterogeneity of Coral Microbiome Assemblages in Tropical and Subtropical Corals in the South China Sea
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Unraveling Heterogeneity of Coral Microbiome Assemblages in Tropical and Subtropical Corals in the South China Sea

机译：南海热带和亚热带珊瑚中珊瑚微生物组合的不均匀性的异质性

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Understanding the coral microbiome is critical for predicting the fidelity of coral symbiosis with growing surface seawater temperature (SST). However, how the coral microbiome will respond to increasing SST is still understudied. Here, we compared the coral microbiome assemblages among 73 samples across six typical South China Sea coral species in two thermal regimes. The results revealed that the composition of microbiome varied across both coral species and thermal regimes, except for Porites lutea. The tropical coral microbiome displayed stronger heterogeneity and had a more un-compacted ecological network than subtropical coral microbiome. The coral microbiome was more strongly determined by environmental factors than host specificity. γ- (32%) and α-proteobacteria (19%), Bacteroidetes (14%), Firmicutes (14%), Actinobacteria (6%) and Cyanobacteria (2%) dominated the coral microbiome. Additionally, bacteria inferred to play potential roles in host nutrients metabolism, several keystone bacteria detected in human and plant rhizospheric microbiome were retrieved in explored corals. This study not only disentangles how different host taxa and microbiome interact and how such an interaction is affected by thermal regimes, but also identifies previously unrecognized keystone bacteria in corals, and also infers the community structure of coral microbiome will be changed from a compacted to an un-compacted network under elevated SST.
机译：了解珊瑚微生物组对预测珊瑚共生的保真度，具有生长的表面海水温度（SST）至关重要。但是，珊瑚微生物组将如何响应增加SST仍然被解读。在这里，我们将珊瑚微生物组合与两种热量制度的六个典型的南海珊瑚物种中的73个样品中的珊瑚微生物组合。结果表明，除了PoraTes Lutea之外，微生物组的组成在珊瑚物种和热量方面变化。热带珊瑚微生物组呈现强不均匀性，并且具有比亚热带珊瑚微生物微生物微生物更多的未压实的生态网络。珊瑚微生物组比宿主特异性更强烈地确定。 γ-（32％）和α-植物（19％），菌体（14％），压缩（14％），抗菌菌（6％）和蓝藻（2％）主导珊瑚微生物组。此外，在宿主营养物质中发挥潜在作用的细菌，在探索的珊瑚中检索了在人和植物流散性微生物组中检测到的几种基石细菌。这项研究不仅剥离了不同的宿主分类群和微生物组的互动以及这种互动如何受到热量制度的影响，而且还识别出以前未被识别的珊瑚骨石细菌，并且还有珊瑚微生物组的社区结构将从压实的压实改变未加工的网络升高。

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