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LI Yongjun,ZHENG Zejun,ZHAO Yulong,WEI Xiaona,ZHU Lin,HUANG Xitai.A culture-free method for detection of Vibrio vulnificus from coastal seawater based on loop-mediated isothermal amplification targeting vcgC gene[J].Acta Oceanologica Sinica,2010,(2):93-97
A culture-free method for detection of Vibrio vulnificus from coastal seawater based on loop-mediated isothermal amplification targeting vcgC gene
A culture-free method for detection of Vibrio vulnificus from coastal seawater based on loop-mediated isothermal amplification targeting vcgC gene
投稿时间:2009-01-03  修订日期:2009-08-20
DOI:10.1007/s13131-010-0027-x
中文关键词:  Vibrio vulnificus  LAMP  virulence-correlated gene  seawater  culture-free  VBNC
英文关键词:Vibrio vulnificus  LAMP  virulence-correlated gene  seawater  culture-free  VBNC
基金项目:The National High-Tech Research and Development Program of China ("863") under contract No.2006AA09Z170.
作者单位E-mail
LI Yongjun The College of Life Sciences, Nankai University, Tianjin 300071, China  
ZHENG Zejun The College of Life Sciences, Nankai University, Tianjin 300071, China  
ZHAO Yulong The College of Life Sciences, Nankai University, Tianjin 300071, China  
WEI Xiaona The College of Life Sciences, Nankai University, Tianjin 300071, China  
ZHU Lin The College of Environmental Science and Engineering, Nankai University, Tianjin 300071, China  
HUANG Xitai The College of Life Sciences, Nankai University, Tianjin 300071, China huangxt@nankai.edu.cn 
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中文摘要:
      Vibrio vulnificus is an opportunistic pathogen widely distributed in estuarine and coastal seawaters. In this study, a culture-free method was developed to rapid detection of V. vulnificus in all seasons, based on loop-mediated isothermal amplification (LAMP) targeting virulent-correlated gene (vcg). The new assay method allows differentiation between the virulent and non-virulent strain of V. vulnificus accurately. This method also allows effective detection of the pathogeny in winter when the bacterium lives in the viable but non-culturable (VBNC) state. A total of 30 costal seawater samples collected in all seasons were used for the evaluation of this method. The results show that the method is sensitive, accurate and convenient.
英文摘要:
      Vibrio vulnificus is an opportunistic pathogen widely distributed in estuarine and coastal seawaters. In this study, a culture-free method was developed to rapid detection of V. vulnificus in all seasons, based on loop-mediated isothermal amplification (LAMP) targeting virulent-correlated gene (vcg). The new assay method allows differentiation between the virulent and non-virulent strain of V. vulnificus accurately. This method also allows effective detection of the pathogeny in winter when the bacterium lives in the viable but non-culturable (VBNC) state. A total of 30 costal seawater samples collected in all seasons were used for the evaluation of this method. The results show that the method is sensitive, accurate and convenient.
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