罗非鱼肠道乳酸菌对抗生素的药敏性
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Antibiotic Susceptibility of Intestinal Lactic Acid Bacteria Isolated from Tilapia
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    摘要:

    为研究罗非鱼肠道乳酸菌对常用抗生素的药敏性,采用纸片扩散法测定分离自罗非鱼肠道中的42株乳酸菌对13种抗生素(青霉素、氨苄西林、 红霉素、卡那霉素、链霉素、庆大霉素、四环素、多西环素、万古霉素、氯霉素、环丙沙星、诺氟沙星、氧氟沙星)的药敏性。结果表明42株乳酸菌都有一定的耐药性,主要对PEN、KAN、GEN、VAN、CIP、NOR和OFL耐药,耐药菌株数分别为19(45.2%),31(73.8%),24(57.1%),34(81.0%),30(71.4%),34(81.0%)和20(47.6%)。菌株的耐药性有一定的种间和种内差异,部分菌株有多重耐药性。

    Abstract:

    The antibiotic susceptibility of lactic acid bacteria isolated from tilapia was evaluated in this study. Circular disc diffusion method was used to determine antibiotic susceptibility of these isolates to 13 most widely used antibiotics, including Penicillin, Ampicillin, Erythromycin, Kanamycin, Streptomycin, Gentamicin, Tetracycline, Doxycycline, Vancomycin, Chloramphenicol, Ciprofloxacin, Norfloxacin, Ofloxacin. The results show that these strains primarily presented resistance to seven antimicrobial agents: PEN, KAN, GEN, VAN, CIP, NOR and OFL. The number of resistant strains was 19(45.2%), 31(73.8%), 24(57.1%), 34(81.0%), 30(71.4%), 34(81.0%)and 20(47.6%), respectively. There was variation in susceptibility between the species. Multidrug resistance was identified in most isolates.

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郭凤茹;刘元雪;施文正;宁喜斌;李晓晖.罗非鱼肠道乳酸菌对抗生素的药敏性[J].中国食品学报,2020,20(6):287-294

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  • 在线发布日期: 2020-07-07
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