›› 2015, Vol. 42 ›› Issue (10): 2788-2793.doi: 10.16431/j.cnki.1671-7236.2015.10.040

• 疾病防治 • 上一篇    下一篇

水貂绿脓杆菌分离鉴定及药物敏感性分析

孙娜1, 陈强2, 温永俊1, 杨勇1, 汪孟航1, 程世鹏1   

  1. 1. 中国农业科学院特产研究所, 长春 130112;
    2. 吉林特研生物技术有限责任公司, 长春 130112
  • 收稿日期:2015-06-01 出版日期:2015-10-20 发布日期:2015-10-23
  • 通讯作者: 程世鹏 E-mail:tcscsp@126.com
  • 作者简介:孙娜(1983-),女,吉林辉南人,博士,助理研究员,研究方向:细菌耐药性,E-mail:sunna@caas.cn;陈强(1982-),男,吉林敦化人,硕士,研究方向:毛皮动物诊断,E-mail:chenqiang821121@126.com
  • 基金资助:
    中国农业科学院创新工程基金(20140204066NY)

Isolation,Identification and Drug Sensitivity Analysis of Pseudomonas aeruginosa from Minks

SUN Na1, CHEN Qiang2, WEN Yong-jun1, YANG Yong1, WANG Meng-hang1, CHENG Shi-peng1   

  1. 1. Institute of Special Economic Animals and Plants, Chinese Academy of Agricultural Sciences, Changchun 130112, China;
    2. JL TEYAN Biological Technology Limited Liability Company, Changchun 130112, China
  • Received:2015-06-01 Online:2015-10-20 Published:2015-10-23

摘要: 本试验旨在通过对山东某水貂养殖场送检的5只具有典型出血性肺炎症状的病死水貂进行细菌分离鉴定及耐药情况分析,为临床用药和治疗提供依据和参考。通过细菌分离纯化、生化鉴定和PCR方法对分离菌株进行鉴定,采用K-B药敏法检测分离菌株对常用药物的敏感性,并通过PCR方法检测分离菌株耐药基因的携带情况。经鉴定共分离得到5株绿脓杆菌,药物敏感性试验结果显示,5株绿脓杆菌对氟喹诺酮类药物、第3代和第4代头孢类药物较敏感,对氨基糖苷类、四环素、氯霉素、青霉素类、第1代和第2代头孢类药物耐药。耐药基因检测结果显示,5株绿脓杆菌共检测出6种耐药基因aadA1、aac(3')-Ⅱcaac(6')-ⅠbtetAtetKcat2。且每株分离菌均检测出3种以上耐药基因。结果表明,分离的5株菌株均为绿脓杆菌,主要引起水貂出血性肺炎。分离菌株耐药性较严重,主要表现为多重耐药现象。菌株携带的耐药基因呈多样性,可引起菌株对相应药物产生耐药现象。

关键词: 水貂; 绿脓杆菌; 出血性肺炎; 药物敏感性

Abstract: In order to provide therapeutical guidance for drug admistration,the bacteria from five dead minks suffering with typical symptoms provided by mink farms in Shandong province were isolated and identified,and the drug sensitivity was tested.The bacteria were isolated with TSA plates,and identified using biochemical methods and PCR assay.The drug sensitivity of the isolates to antimicrobial agents was investigated using K-B method.PCR was used to detect the resistance genes.A total of 5 Pseudomonas aeruginosa isolates were obtained from sick minks.The drug sensitivity results showed that 5 strains were sensitive to fluoroquinolone,the third and fourth generations cephalosporin drugs,but were resistant to aminoglycoside,tetracycline,chloramphenicol,penicillin,the first and second generations cephalosporin drugs.There were six resistance genes were detected,aadA1,aac(3')-Ⅱc,aac(6')-Ⅰb,tetA,tetK and cat2.All of the isolates were detected more than three kinds of resistance genes.The result showed that 5 strains were all Pseudomonas aeruginosa,and Pseudomonas aeruginosa was the main cause of mink hemorrhagic pneumonia.The resistance of 5 strains were very serious and mainly for multiple drug resistance phenomenon.The resistance genes detected in the mink were various,and could cause the resistance to the drugs.

Key words: mink; Pseudomonas aeruginosa; hemorrhagic pneumonia; drug sensitivity

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