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学科主题: Fisheries ; Marine & Freshwater Biology
题名: Outbreak of a novel disease associated with Vibrio mimicus infection in fresh water cultured yellow catfish, Pelteobagrus fulvidraco
作者: Zhang, X ; Li, YW ; Mo, ZQ ; Luo, XC ; Sun, HY ; Liu, P ; Li, AX ; Zhou, SM ; Dan, XM
通讯作者: zhousuming@nbu.edu.cn ; dxm72@scau.edu.cn
关键词: Pelteobagrus fulvidraco ; Vibrio mimicus ; Multilocus sequence analysis (MLSA) ; Histopathology
刊名: AQUACULTURE
发表日期: 2014
卷: 432, 页:119-124
收录类别: sci
部门归属: [Zhang, Xiang ; Mo, Ze-Quan ; Liu, Peng ; Dan, Xue-Ming] South China Agr Univ, Coll Anim Sci, Guangzhou 510642, Guangdong, Peoples R China ; [Li, Yan-Wei ; Li, An-Xing] Sun Yat Sen Univ, Sch Life Sci, Key Lab Aquat Prod Safety, State Key Lab Biocontrol,Minist Educ, Guangzhou 510275, Peoples R China ; [Luo, Xiao-Chun] S China Univ Technol, Sch Biosci & Biotechnol, Guangzhou 510006, Guangdong, Peoples R China ; [Sun, Hong-Yan] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol LMB, Guangzhou 510301, Guangdong, Peoples R China ; [Zhou, Su-Ming] Ningbo Univ, Sch Marine Sci, Key Lab Appl Marine Biotechnol, Ningbo 315211, Zhejiang, Peoples R China
项目归属: LMB
资助者: National Natural Science Foundation of China [31172443]; Natural Science Foundation of Guangdong province [S2012010009148]; Ocean and Fisheries Science and Technology Promotion Project of Guangdong Province [A201201G01]
摘要: An outbreak of a novel disease characterized by serious and regularly shaped ulcers in the skin was recorded in cultured yellow catfish (Pelteobagrus fulyidraco) in Guangdong and Guangxi provinces of South-China in 2011. Several bacterial strains that exhibited the same phenotypic traits and biochemical characteristics were isolated from the lesions of diseased fish. One bacterial isolate named XQ was identified as Vibrio mimicus according to biochemical tests and phylogenetic analysis derived from 16S rDNA, rpoA, recA and pyrH gene sequencing. In challenge trials, the bacterial isolate XQ exhibited high virulence in yellow catfish with an intra-peritoneal LD50 value of 3.39 x 10(6) CFU per fish. In addition, skin ulcers occurred in all challenged fish groups whether they were treated with the bacterial isolate XQ by intraperitoneal injection, oral delivery or bath exposure, suggesting that the V. mimicus is the etiological agent of the enzootic and could infect the host fish via more than one route. Furthermore, histopathology of diseased fish infected with V. mimicus showed destruction of the epidermis and fibrinoid necrosis in skin; renal tubular epithelial cell necrosis in kidney; hepatocyte swelling and serious hemorrhage in the liver; macrophage aggregations and necrosis of the lymphoid tissue in spleen; severe necrosis and shedding of the intestinal mucosal villi in intestines; and, edema and exfoliation of epithelial cells in gill secondary lamellae. (C) 2014 Elsevier B.V. All rights reserved.
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WOS记录号: WOS:000342247200016
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10398
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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Zhang, X; Li, YW; Mo, ZQ; Luo, XC; Sun, HY; Liu, P; Li, AX; Zhou, SM; Dan, XM.Outbreak of a novel disease associated with Vibrio mimicus infection in fresh water cultured yellow catfish, Pelteobagrus fulvidraco,AQUACULTURE,2014,432():119-124
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