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学科主题: Multidisciplinary Sciences
题名: First Characterization of Bacterial Pathogen, Vibrio alginolyticus, for Porites andrewsi White Syndrome in the South China Sea
作者: [Xie Zhenyu ; Ke Shaowen ; Zhu Zhixiong ; Wang Shifeng ; Zhou Yongcan] Hainan Univ, Hainan Key Lab Sustainable Utilizat Trop Bioresou, Haikou, Peoples R China ; [Xie Zhenyu ; Ke Shaowen ; Zhu Zhixiong ; Wang Shifeng ; Zhou Yongcan] Hainan Univ, Hainan Prov Key Lab Trop Hydrobiol & Biotechnol, Haikou, Peoples R China ; [Hu Chaoqun] Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Marine Bioresources Sustainable Utili, Guangzhou, Guangdong, Peoples R China
通讯作者: zychnu@163.com
刊名: PLOS ONE
发表日期: 2013
卷: 8, 期:9, 页:-e75425
部门归属: LMB
资助者: This work was supported by grants from the National Science and Technology Support Program (no. 2009BAB44B02); the National Natural Science Foundations of China (no. 41066003, no. 31060360 and no. 30760190); and the Project of Fok Ying Tong Education Foundation (no. 121030). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
摘要: Background: White syndrome, a term for scleractinian coral disease with progressive tissue loss, is known to cause depressed growth and increased morality of coral reefs in the major oceans around the world, and the occurrence of this disease has been frequently reported in the past few decades. Investigations during April to September in both 2010 and 2011 identified widespread Porites andrewsi White syndrome (PAWS) in Xisha Archipelago, South China Sea. However, the causes and etiology of PAWS have been unknown. Methodology/Principal Findings: A transmission experiment was performed on P. andrewsi in the Qilianyu Subgroup (QLY). The results showed that there was a significant (P <= 0.05) difference between test and control groups after 28 days if the invalid replicates were excluded. Rates of tissue loss ranged from 0.90-10.76 cm(2) d(-1) with a mean of 5.40 +/- 3.34 cm(2) d(-1) (mean +/- SD). Bacterial strains were isolated from the PAWS corals at the disease outbreak sites in QLY of the Xisha Archipelago, South China Sea, and included in laboratory-based infection trials to satisfy Koch's postulates for establishing causality. Following exposure to bacterial concentrations of 10(5) cells mL(-1), the infected colonies exhibited similar signs to those observed in the field. Using phylogenetic 16S rRNA gene analysis, classical phenotypic trait comparison, Biolog automatic identification system, MALDI-TOF mass spectrometry and MALDI Biotyper method, two pathogenic strains were identified as Vibrio alginolyticus. Conclusion/Significance: This is the first report of V. alginolyticus as a pathogenic agent of PAWS in the South China Sea. Our results point out an urgent need to develop sensitive detection methods for V. alginolyticus virulence strains and robust diagnostics for coral disease caused by this and Vibrio pathogenic bacterium in the South China Sea.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000325025200042
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10984
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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[Xie Zhenyu; Ke Shaowen; Zhu Zhixiong; Wang Shifeng; Zhou Yongcan] Hainan Univ, Hainan Key Lab Sustainable Utilizat Trop Bioresou, Haikou, Peoples R China; [Xie Zhenyu; Ke Shaowen; Zhu Zhixiong; Wang Shifeng; Zhou Yongcan] Hainan Univ, Hainan Prov Key Lab Trop Hydrobiol & Biotechnol, Haikou, Peoples R China; [Hu Chaoqun] Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Marine Bioresources Sustainable Utili, Guangzhou, Guangdong, Peoples R China.First Characterization of Bacterial Pathogen, Vibrio alginolyticus, for Porites andrewsi White Syndrome in the South China Sea,PLOS ONE,2013,8(9):-e75425
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