中国畜牧兽医 ›› 2013, Vol. 40 ›› Issue (8): 159-164.

• 疾病防治 • 上一篇    下一篇

鱼源维氏气单胞菌的耐药性研究

王海娟, 王利, 苟小兰, 龙钟明, 赵静   

  1. 西南民族大学生命科学与技术学院, 动物遗传育种学国家民委-教育部重点实验室, 四川成都 610041
  • 收稿日期:2013-01-15 出版日期:2013-08-20 发布日期:2013-08-16
  • 通讯作者: 王利(1977-),女,四川人,博士,副研究员,研究方向:微生物遗传。E-mail:qinxin916@yahoo.com.cn E-mail:qinxin916@yahoo.com.cn
  • 作者简介:王海娟(1983- ),女,河南人,硕士生,研究方向:微生物遗传。
  • 基金资助:

    四川省科技厅科技支撑项目(2013FZ0014);西南民族大学硕士研究生"创新型科研项目"(CX2013SZ63);西南民族大学研究生学位点建设项目(2011XWD-S071007)。

Study on Drug Resistance in Aeromonas veronii Isolated from Different Fish

WANG Hai-juan, WANG Li, GOU Xiao-lan, LONG Zhong-ming, ZHAO Jing   

  1. Key Laboratory of Animal Genetices and Breeding of State Ethnic Affairs Commission & Ministry of Education, College of Life Science and Technology, Southwest University for Nationalitities, Chengdu 610041, China
  • Received:2013-01-15 Online:2013-08-20 Published:2013-08-16

摘要: 为检测7株鱼源维氏气单胞菌(Aeromonas veronii)的耐药基因和耐药表型的分布情况,试验采用PCR法检测分离株中氨基糖苷类耐药基因(aac(3)-Ⅱa、aac(6')-Ⅰb、ant(3")-Ⅰa和aph(3')-Ⅱa),磺胺类耐药基因(Sul1、Sul2和Sul3)和四环素类耐药基因(tetA、tetC和tetM),运用Kirby-Bauer纸片扩散法检测7株鱼源维氏气单胞菌分离株对22种常用抗生素的敏感性。结果表明,可检出耐药基因aac(3)-Ⅱa(71.4%)、aac(6')-Ⅰb(85.7%)、Sul2(85.7%)和tetA(28.5%);未检出ant(3")-Ⅰa、aph(3')-Ⅱa、Sul1、Sul3、tetCtetM基因。7株维氏气单胞菌对磷霉素(100%)、多黏霉素B(100%)、痢特灵(85.7%)、奥复星(71.4%)较敏感;对氨苄西林(100%)、乙酰螺旋霉素(100%)、复方新诺明(85.7%)、磺胺异恶唑(85.7%)、四环素(85.7%)等耐药。这说明耐药基因和耐药表型之间存在一定的相关性。

关键词: 维氏气单胞菌; 耐药基因; 耐药表型

Abstract: To detect the drug resistance genotype and phenotype produced by Aeromonas veronii isolated from different fish.PCR method was used to detect the aminoglycoside antibiotics resistance genes (aac (3)-Ⅱa, aac (6')-Ⅰb, ant (3")-Ⅰa, aph (3')-Ⅱa), sulfonamides resistance genes (Sul1, Sul2, Sul3) and tetracyclines resistance genes (tetA, tetC, tetM) in isolates. The drug susceptibility to seven Aeromonas veronii strains toward 22 kinds of antibiotics were performed with Kirby-Bauer disc diffusion method. The results showed that the detected resistance genes were aac (3)-Ⅱa (71.4%), aac (6')-Ⅰb (85.7%), Sul2 (85.7%) and tetA (28.5%),while the other resistant genes of ant (3")-Ⅰa, aph (3')-Ⅱa, Sul1, Sul3, tetC and tetM were not checked out. The seven Aeromonas veronii isolates were sensitive to Fosfomycin (100%), Polymyxin B (100%), Furazolidone (85.7%) and Ofloxacin (71.4%). They were resistant to Ampicillin (100%), Acetylspiramycin (100%), Trimethoprim/Sulfamethoxazole (85.7%), Sulfisoxazole (85.7%) and Tetracycline (85.7%). Drug resistance genotype had some correlation with the drug resistance phenotype.

Key words: Aeromonas veronii; drug resistance genotype; drug resistance phenotype

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