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Major biological characteristics of Yersinia enterocolitica isolated from Pseudobagrus vachelli
Author(s): 
Pages: 12-16
Year: Issue:  1
Journal: Journal of Southwest University for Nationalities(Natrual Science Edition)

Keyword:  小肠结肠炎耶尔森氏菌生物学特性江黄颡鱼;
Abstract: 从发病江黄颡鱼中分离出菌株YER6022,通过细菌培养、生理生化试、16SrDNA基因扩增等方法对其生物学特性进行研究.结果表明:该菌株为革兰氏阴性球杆菌,具有动力性,不发酵山梨醇,赖氨酸、苯丙氨酸阴性,尿素、鸟氨酸阳性.16SrDNA片段测序为1408bp,与小肠结肠炎耶尔森氏菌相似性达99%,GenBank登录号为JX434637.系统进化树显示菌株YER6022与耶尔森菌属的小肠结肠炎耶尔森菌亲缘关系最近.
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