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Vibrio cholerae pathogen from the freshwater-cultured whiteleg shrimp Penaeus vannamei and control with Bdellovibrio bacteriovorus

文献类型： 外文期刊

作者： Cao, Haipeng 1 ; An, Jian 2 ; Zheng, Weidong 3 ; He, Shan 1 ;

作者机构： 1.Shanghai Ocean Univ, Shanghai Collaborat Innovat Ctr Aquat Anim Genet, Key Lab Freshwater Fishery Germplasm Resources,Sh, Natl Pathogen Collect Ctr Aquat Anim,Minist Agr P, Shanghai 201306, Peoples R China

2.Marine & Fisheries Res Inst Lianyungang, Lianyungang 222044, Peoples R China

3.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Peoples R China

关键词： Freshwater-cultured Penaeus vannamei;Leg yellowing;Vibrio cholerae;Bdellovibrio bacteriovorus;Control

期刊名称：JOURNAL OF INVERTEBRATE PATHOLOGY （ 影响因子：2.841； 五年影响因子：3.368 ）

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收录情况： SCI

摘要： Vibriosis has become a major global economic problem in freshwater-farmed whiteleg shrimp (Penaeus vannamei). The prevention and control of vibriosis are now priority research topics. In this study, a pathogenic strain (QH) was isolated from vibriosis-infected freshwater-farmed P. vannamei that resulted in leg yellowing and was identified as a Vibrio cholerae isolate through phylogenetic analysis and the API 32GN system. A phylogenetic tree that was constructed using the neighbor-joining method further confirmed the QH isolate as a V. cholerae strain. A virulent outer membrane protein (ompU) gene was found to be present in the QH isolate, which further confirmed its pathogenicity. In addition, Bdellovibrio bacteriovorus conferred significant protection against V. cholerae: B. bacteriovorus exhibited significant bacteriolytic effects on the V. cholerae pathogen, possessed a wide prey range that included Vibrio pathogens, and displayed a positive protective efficacy against experimental V. cholerae infection in P. vannamei. To the best of our knowledge, this is the first report of the control of shrimp pathogen V. cholerae with B. bacteriovorus. (C) 2015 Elsevier Inc. All rights reserved.

  • 相关文献

[1]Identification of a Vibrio cholerae Isolate as the Causal Agent of Ascites Disease in Cultured Mandarin Fish Siniperca chuatsi (Basilewsky). Cao, Haipeng,He, Shan,Ye, Xin,Xiao, Guochu,Yang, Xianle,Zheng, Weidong. 2013

[2]Grass carp (Ctenopharyngodon idellus) infected with multiple strains of Aeromonas hydrophila. Cao, Haipeng,Yang, Xianle,Zheng, Weidong. 2012

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