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学科主题: Biotechnology & Applied Microbiology ; Microbiology
题名: Diversity and Chemical Defense Role of Culturable Non-Actinobacterial Bacteria Isolated from the South China Sea Gorgonians
作者: [Peng, Jiang ; Zhang, Xiaoyong ; Xu, Xinya ; He, Fei ; Qi, Shuhua] Chinese Acad Sci, RNAM Ctr Marine Microbiol, South China Sea Inst Oceanol,Guangdong Key Lab Ma, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China ; [Peng, Jiang] Univ Chinese Acad Sci, Grad Sch, Chinese Acad Sci, Beijing 100049, Peoples R China
通讯作者: shuhuaqi@scsio.ac.cn
关键词: Gorgonian-associated bacteria ; diversity ; Bacillus methylotrophicus ; lipopeptides ; antimicrobial activity
刊名: JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY
发表日期: 2013
卷: 23, 期:4, 页:437-443
部门归属: LMB
资助者: The authors are grateful to the National Basic Research Program of China (grant 2010CB833803), the National Natural Science Foundation of China (grant 40931160435 and 40976090), the National High Technology Research and Development Program of China (863 Program, 2012AA092104), and the Knowledge Innovation Program of Chinese Academy of Science (grant KSCX2-EW-G-12B) for financial support.
摘要: The diversity of culturable non-actinobacterial (NA) bacteria associated with four species of South China Sea gorgonians was investigated using culture-dependent methods followed by analysis of the bacterial 16S rDNA sequence. A total of 76 bacterial isolates were recovered and identified, which belonged to 21 species of 7 genera, and Bacillus was the most diverse genus. Fifty-one percent of the 76 isolates displayed antibacterial activities, and most of them belonged to the Bacillus genus. From the culture broth of gorgonian-associated Bacillus methylotrophicus SCSGAB0092 isolated from gorgonian Melitodes squamata, 11 antimicrobial lipopeptides including seven surfactins and four iturins were obtained. These results imply that Bacillus strains associated with gorgonians play roles in coral defense mechanisms through producing antimicrobial substances. This study, for the first time, compares the diversity of culturable NA bacterial communities among four species of South China Sea gorgonians and investigates the secondary metabolites of gorgonian-associated B. methylotrophicus SCSGAB0092.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000318205900001
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/11044
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Recommended Citation:
[Peng, Jiang; Zhang, Xiaoyong; Xu, Xinya; He, Fei; Qi, Shuhua] Chinese Acad Sci, RNAM Ctr Marine Microbiol, South China Sea Inst Oceanol,Guangdong Key Lab Ma, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China; [Peng, Jiang] Univ Chinese Acad Sci, Grad Sch, Chinese Acad Sci, Beijing 100049, Peoples R China.Diversity and Chemical Defense Role of Culturable Non-Actinobacterial Bacteria Isolated from the South China Sea Gorgonians,JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY,2013,23(4):437-443
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