Mhuantong, Wuttichai and Nuriyadi, Handung and Trianto, Agus and Sabdono, Agus and Tangphatsornruang, Sithichoke and Eurwilaichitr, Lily and Kanokratana, Pattanop and Champreda, Verawat Comparative analysis of bacterial communities associated with healthy and diseased corals in the Indonesian sea. PeerJ .
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Coral reef ecosystems are impacted by climate change and human activities, such as increasing coastal development, overfishing, sewage and other pollutant discharge, and consequent eutrophication, which triggers increasing incidents of diseases and deterioration of corals worldwide. In this study, bacterial communities associated with four species of corals: Acropora aspera, Acropora formosa, Cyphastrea sp., and Isopora sp. in the healthy and disease stages with different diseases were compared using tagged 16S rRNA sequencing. In total, 59 bacterial phyla, 190 orders, and 307 genera were assigned in coral metagenomes where Proteobacteria and Firmicutes were predominated followed by Bacteroidetes together with Actinobacteria, Fusobacteria, and Lentisphaerae as minor taxa. Principal Coordinates Analysis (PCoA) showed separated clustering of bacterial diversity in healthy and infected groups for individual coral species. Fusibacter was found as the major bacterial genus across all corals. The lower number of Fusibacter was found in A. aspera infected with white band disease and Isopora sp. with white plaque disease, but marked increases of Vibrio and Acrobacter, respectively, were observed. This was in contrast to A. formosa infected by a black band and Cyphastrea sp. infected by yellow blotch diseases which showed an increasing abundance of Fusibacter but a decrease in WH1-8 bacteria. Overall, infection was shown to result in disturbance in the complexity and structure of the associated bacterial microbiomes which can be relevant to the pathogenicity of the microbes associated with infected corals.
|Subjects:||S Agriculture > SH Aquaculture. Fisheries. Angling|
|Divisions:||Faculty of Fisheries and Marine Sciences > Department of Marine Science|
|Deposited By:||MS. Bahry|
|Deposited On:||27 Jan 2020 15:27|
|Last Modified:||13 Mar 2020 14:46|
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