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Phylogenetic diversity of bacteria associated with the marine sponge agelas robusta from South China Sea

Acta Oceanologica Sinica 2010年第5期29卷 65-73页

作者： SUN We DAI Shikun WANG Guanghua XIE Lianwu JIANG Shumei LI Xiang Key Laboratory of Marine Bio-resources Sustainable Utilization （LMB-CAS） Guangdong Key Laboratory of Marine Materia Mediea （LMMM-GD） South China Sea Institute of Oceanology Chinese Academy of Sciences Guangzhou 510301 China Graduate University of the Chinese Academy of Sciences Beijing 100049 China Central South University of Forestry and Technology Changsha 410004 China

It is well known that marine sponges harbor large numbers of bacteria,some of which have been proved to be *** diversity of bacteria in marine sponges distributed along the coast of South China Sea has been previously studied but that of bacteria in sponges inhabiting the open sea has been rarely *** this report,the diversity of bacteria associated with the marine sponge agelas robusta from a remote coral reef in the South China Sea was documented employing 16S rDNA library construction,amplified ribosomal DNA restriction analysis（ARDRA） and phylogenetic analysis.A total of 32 phylotypes were finally categorized in nine phyla including Cyanobacteria,Proteobacteria,Chloroflexi,Firmicutes,Actinobacteria,Acidobacteria,Planctomycetes,Bacteroidetes and *** dominant phylum was Proteobacteria whereas the dominant genus was Synechococcus in *** spongespecific bacteria were also found in the bacteria population,but the proportion（5 OTUs/32 OTUs） was much lower than other *** study reveals the phylogenetic diversity of bacteria in *** and confirms the presence of some sponge-specific bacteria in the South China *** the diversity of sponge-associated bacteria in China assists to exploit the bacteria resources for biotechnology.

关键词： South China Sea agelas robusta phylogenetic diversity sponge-specific bacteria

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