| Studies on the edwardsiellosis and characterization of pathogenic bacteria from diseased flounder (Paralichthys olivaceus L.) and turbot (Scophthalmus maximus L.) |
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| 作者姓名： | FANG Hai ZHANG Xiaojun CHEN Cuizhen JIN Xiaomin WANG Xiuyun |
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| 作者单位： | FANG Hai 1*，ZHANG Xiaojun 1，CHEN Cuizhen 1，JIN Xiaomin 1，WANG Xiuyun 1 1. Department of Animal Science，Hebei Normal University of Science and Technology，Qinhuangdao 066600，China |
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| 摘 要： | 1IntroductionEdwardsiellahas been recognized as a world-wide-occurring pathogen of numerous marine fishspecies,and edwardsiellosis has been recorded in adiverse array of fish species,including chinooksalmonOncorhynchus tshawytschaL.(Amandi etal.,1982),cha…
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| 关 键 词： | 病原菌 比目鱼 渔业资源 鱼病学 |
| 收稿时间： | 2005-12-29 |
| 修稿时间： | 2006-03-30 |
Studies on the edwardsiellosis and characterization of pathogenic bacteria from diseased flounder (Paralichthys olivaceus L.) and turbot (Scophthalmus maximus L.) |
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| FANG Hai,ZHANG Xiaojun,CHEN Cuizhen,JIN Xiaomin,WANG Xiuyun.Studies on the edwardsiellosis and characterization of pathogenic bacteria from diseased flounder (Paralichthys olivaceus L.) and turbot (Scophthalmus maximus L.)[J].Acta Oceanologica Sinica,2006,25(3):138-147. |
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| Authors: | FANG Hai ZHANG Xiaojun CHEN Cuizhen JIN Xiaomin and WANG Xiuyun |
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| Institution: | Department of Animal Science, Hebei Normal University of Science and Technology, Qinhuangdao 066600, China |
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| Abstract: | Edwardsiellosis of flounder and turbot occurring in different mariculture farms during 2001 ～2004 was examined, including the conditions of disease occurrence, clinical signs and pathological changes. The results showed that all diseased fishes expressed bacterial septicaemia. A total of 148 strains were identified using a combination of traditional physiological and biochemical tests and partial 16S rRNA gene analysis. In addition, the mole fraction G + C ratio of the DNA of representative strain of isolates and serum homology were detected, and pathogenicity tests of isolates were conducted by experimental infection. The results revealed that 148 strains were identified as E. tarda of genus Edwardsiella, all the isolates are of serologic similarity, and have strong pathogenicity to flounder and turbot. |
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| Keywords: | flounder (Paralichthys olivaceus L ) turbot (Scophthalmus maximus L ) edwardsiellosis pathogenic bacteria |
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