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学科主题: Biochemistry & Molecular Biology; Biophysics
题名: Enhancement of protective immunity in European eel (Anguilla anguilla) against Aeromonas hydrophila and Aeromonas sobria by a recombinant Aeromonas outer membrane protein
作者: Guan, Ruizhang ; Xiong, Jing ; Huang, Wenshu ; Guo, Songlin
通讯作者: Guan, RZ, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China ; rzguan@jmu.edu.cn
关键词: outer membrane protein ; immunogenicity ; Aeromonas sobria ; Aeromonas hydrophila ; Anguilla anguilla
刊名: ACTA BIOCHIMICA ET BIOPHYSICA SINICA
发表日期: 2011
卷: 43, 期:1, 页:79-88
收录类别: SCI
部门归属: [Guan, Ruizhang; Xiong, Jing] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Guan, Ruizhang; Xiong, Jing; Huang, Wenshu; Guo, Songlin] Jimei Univ, Fishery Coll, Xiamen 361021, Peoples R China; [Guan, Ruizhang; Xiong, Jing] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
资助者: Ministry of Agriculture of China [eel 3-51]; National Natural Science Foundation of China [30700625]; Department of Science and Technology of Fujian Province [2002N024]; Bureau of Science and Technology of Xiamen City [3502Z2001244]
摘要: To develop a vaccine, which can simultaneously prevent the diseases caused by various pathogenic bacteria in fish, we try to find a conserved outer membrane protein (OMP) antigen from different bacterial pathogens. In this study, an OMP fragment of 747 bp (named as Omp-G), which was highly conserved in seven Aeromonas OMP sequences from the NCBI database, was amplified by PCR from one Aeromonas sobria strain (B10) and two Aeromonas hydrophila strains (B27 and B33) with the designed specific primers. The sequence was cloned into pGEX-2T (6 x His-tag) vector, expressed in Escherichia coli system, and then the recombinant protein (named as rOmp-G) was purified with nickel chelating affinity chromatography. The purified rOmp-G showed a good immunogenicity in rabbits and well-conserved characteristics in these three pathogens by enzyme-linked immunosorbed assay. Furthermore, the rOmp-G also showed good immunogenicity in eels (Anguilla anguilla) for eliciting significantly increased specific antibodies (P < 0.01), and providing higher protection efficiencies (P < 0.05) after the pathogens challenge. The values of the relative percent survival in eels were 70% and 50% for two A. hydrophila strain challenge, and 75% for A. sobria strain challenge. This is the first report of a potential vaccination in eels that simultaneously provide protectiveness against different Aeromonas pathogens with a conserved partial OMP.
语种: 英语
WOS记录号: WOS:000285628600011
ISSN号: 1672-9145
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/15504
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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Guan, Ruizhang; Xiong, Jing; Huang, Wenshu; Guo, Songlin.Enhancement of protective immunity in European eel (Anguilla anguilla) against Aeromonas hydrophila and Aeromonas sobria by a recombinant Aeromonas outer membrane protein,ACTA BIOCHIMICA ET BIOPHYSICA SINICA,2011,43(1):79-88
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文件名: Enhancement of protective immunity in European eel (Anguilla anguilla) against Aeromonas hydrophila and Aeromonas sobria by a recombinant Aeromonas outer membrane protein.pdf
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