IHB OpenIR  > 鱼类生物学及渔业生物技术研究中心  > 期刊论文
Isolation and characterization of Edwardsiella ictaluri strains as pathogens from diseased yellow catfish Pelteobagrus fulvidraco (Richardson) cultured in China
Liu, Jin Yu; Li, Ai Hua; Zhou, Dong Ren; Wen, Zhou Rui; Ye, Xue Ping; Li, AH, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2010
Source PublicationAQUACULTURE RESEARCH
ISSN1355-557X
Volume41Issue:12Pages:1835-1844
AbstractYellow catfish Pelteobagrus fulvidraco (Richardson) is a commercially important fish generally distributed in Southeast Asian countries. The well-known aetiological agent of enteric septicaemia of catfish, Edwardsiella ictaluri, was isolated from diseased yellow catfish P. fulvidraco (Richardson) reared at two commercial fisheries in China. The economic losses due to the high mortalities (about 50%) caused by this bacterium have been increasing annually. The affected fish presented two different, typical symptoms: pale gills, slight exophthalmia and a 'hole in the head', and haemorrhage on the opercula, in the skin under the jaw, creating a 'hole under the jaw'. These diseases were found frequently in cultured yellow catfish throughout China. The isolates from both outbreaks were all Gram negative, facultatively anaerobic and short rod. Morphological and biochemical tests and phylogenetic analysis based on the 16S rDNA sequences all strongly indicated that these yellow catfish isolates were highly identical to the known E. ictaluri. In addition, the isolates possessed the typical plasmid profile of E. ictaluri. Experimental infection assays were conducted and pathogenicity (by an intraperitoneal injection) was demonstrated in yellow catfish and channel catfish Ictalurus punctatus. The results showed that yellow catfish isolates were quite conservative pheno-typically and genetically, and were able to cause two different, typical symptoms in this fish under unknown conditions and mechanism.
KeywordIsolation Characterization Edwardsiella Ictaluri Yellow Catfish
Department[Liu, Jin Yu; Li, Ai Hua] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Liu, Jin Yu] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China; [Zhou, Dong Ren; Ye, Xue Ping] Zhejiang Inst Freshwater Fisheries, Huzhou, Zhejiang, Peoples R China; [Wen, Zhou Rui] Hubei Fisheries Sci Res Inst, Wuhan, Peoples R China
Subject AreaFisheries
Funding OrganizationNational Basic Research Program of China (973 Program) [2009CB118705]; Open Fund of Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic Animals ; National Basic Research Program of China (973 Program) [2009CB118705]; Open Fund of Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic Animals ; National Basic Research Program of China (973 Program) [2009CB118705]; Open Fund of Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic Animals ; National Basic Research Program of China (973 Program) [2009CB118705]; Open Fund of Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic Animals
Indexed BySCI
Language英语
WOS IDWOS:000283946200012
Funding OrganizationNational Basic Research Program of China (973 Program) [2009CB118705]; Open Fund of Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic Animals ; National Basic Research Program of China (973 Program) [2009CB118705]; Open Fund of Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic Animals ; National Basic Research Program of China (973 Program) [2009CB118705]; Open Fund of Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic Animals ; National Basic Research Program of China (973 Program) [2009CB118705]; Open Fund of Guangdong Provincial Key Lab of Pathogenic Biology and Epidemiology for Aquatic Economic Animals
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Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13571
Collection鱼类生物学及渔业生物技术研究中心_期刊论文
Corresponding AuthorLi, AH, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Liu, Jin Yu,Li, Ai Hua,Zhou, Dong Ren,et al. Isolation and characterization of Edwardsiella ictaluri strains as pathogens from diseased yellow catfish Pelteobagrus fulvidraco (Richardson) cultured in China[J]. AQUACULTURE RESEARCH,2010,41(12):1835-1844.
APA Liu, Jin Yu,Li, Ai Hua,Zhou, Dong Ren,Wen, Zhou Rui,Ye, Xue Ping,&Li, AH, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2010).Isolation and characterization of Edwardsiella ictaluri strains as pathogens from diseased yellow catfish Pelteobagrus fulvidraco (Richardson) cultured in China.AQUACULTURE RESEARCH,41(12),1835-1844.
MLA Liu, Jin Yu,et al."Isolation and characterization of Edwardsiella ictaluri strains as pathogens from diseased yellow catfish Pelteobagrus fulvidraco (Richardson) cultured in China".AQUACULTURE RESEARCH 41.12(2010):1835-1844.
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