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Colonization of Aeromonassalmonicida subsp masoucida strains in Atlantic salmon (Salmo salar L.) during infection
Du, Yishuai1; Liu, Pengfei1,2; Meng, Lingjie1,2; Sharawy, Zaki3; Liu, Ying4
2018-05-01
发表期刊AQUACULTURE RESEARCH
ISSN1355-557X
卷号49期号:5页码:1826-1833
摘要Aeromonassalmonicida subsp. masoucida (ASM) is classified as atypical A.salmonicida and brought huge economic damages to the local salmonid aquaculture in China. An ASM strain named AS-C4 was used to investigate the colonization of ASM in Atlantic salmon (Salmo salarL.) by an immersion challenge with the control group (T0, no AS-C4), group T1 (2.67x10(4) CFU/ml AS-C4) and group T2 (2.67x10(7) CFU/ml AS-C4). The numbers of AS-C4 copies in different fish tissues (gill, intestine, skin, blood, muscle, spleen, liver and kidney) were determined at different time points post challenge using the quantitative real-time PCR (qRT-PCR). AS-C4 were detected in the gill and intestine as early as 0hr after the challenge both in T1 and T2 groups, suggesting that the gill and intestine were probably the portals of entry of AS-C4 into salmon. Although AS-C4 could not be detected in the skin until 24hr after the challenge in T1 group, it could be detected in the skin as early as 0hr after the challenge in T2 group, indicating that the skin may also be a portal of entry of AS-C4 into salmon. AS-C4 was immediately detected in the blood within 3hr after it entered the host, suggesting that AS-C4 successfully invaded the bloodstream of fish. After AS-C4 colonized the host, it colonized the internal tissues, such as the spleen, liver, kidney and muscle. The results of this study will contribute to the understanding of the pathogenesis of the ASM strains and give a broader understanding of the infection route of ASM in it's host, providing more information for the development of new therapeutic strategies to protect against this pathogen in aquaculture.
文章类型Article
关键词Aeromonassalmonicida Atlantic Salmon Colonization Immersion Infection Route
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1111/are.13637
关键词[WOS]TROUT ONCORHYNCHUS-MYKISS ; AEROMONAS-SALMONICIDA ; RAINBOW-TROUT ; VIBRIO-ANGUILLARUM ; TISSUE LOCALIZATION ; IMMUNE PARAMETERS ; SSP SALMONICIDA ; GADUS-MORHUA ; FISH ; VIRULENCE
收录类别SCI
语种英语
WOS研究方向Fisheries
项目资助者National Key R&D Program of China(2017YFD0701700) ; 56th China Postdoctoral Science Foundation(2014M560580) ; Postdoctoral Innovation Project Special Funds of Shandong Province(201402005) ; Qingdao Innovation Talents Program(13-CX-16)
WOS类目Fisheries
WOS记录号WOS:000429410800009
出版者WILEY
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文献类型期刊论文
条目标识符http://ir.qibebt.ac.cn/handle/337004/10760
专题中国科学院青岛生物能源与过程研究所
通讯作者Liu, Ying
作者单位1.Chinese Acad Sci, Key Lab Expt Marine Biol, Inst Oceanol, Qingdao, Peoples R China
2.Univ Chinese Acad Sci, Earth & Environm Sci Coll, Beijing, Peoples R China
3.Natl Inst Oceanog & Fisheries NIOF, Aquaculture Div, Suez, Egypt
4.Dalian Ocean Univ, Marine Sci & Environm Engn Sch, Dalian, Peoples R China
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Du, Yishuai,Liu, Pengfei,Meng, Lingjie,et al. Colonization of Aeromonassalmonicida subsp masoucida strains in Atlantic salmon (Salmo salar L.) during infection[J]. AQUACULTURE RESEARCH,2018,49(5):1826-1833.
APA Du, Yishuai,Liu, Pengfei,Meng, Lingjie,Sharawy, Zaki,&Liu, Ying.(2018).Colonization of Aeromonassalmonicida subsp masoucida strains in Atlantic salmon (Salmo salar L.) during infection.AQUACULTURE RESEARCH,49(5),1826-1833.
MLA Du, Yishuai,et al."Colonization of Aeromonassalmonicida subsp masoucida strains in Atlantic salmon (Salmo salar L.) during infection".AQUACULTURE RESEARCH 49.5(2018):1826-1833.
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