乌鲁木齐市冬春两季宠物源葡萄球菌的耐药性及耐药基因比较
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国家自然科学基金–新疆联合基金项目(U1503185)


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    摘要:

    采用琼脂稀释法,检测从乌鲁木齐市部分宠物医院冬季和春季分离鉴定的154株宠物源葡萄球菌(冬季75株、春季79株)对临床常用的12种抗菌药物(阿米卡星、克林霉素、硫酸庆大霉素、氟苯尼考、四环素、利福平、恩诺沙星、青霉素、苯唑西林、阿莫西林/克拉维酸、头孢噻呋、左氧氟沙星)的耐药性;通过卡方检验,比较供试菌耐药性差异;采用PCR方法,检测葡萄球菌的5类9种耐药基因。对抗菌药物的耐药结果显示:冬季葡萄球菌对苯唑西林和青霉素的耐药率高于90.0%,对头孢噻呋和四环素的耐药率高于50.0%;春季葡萄球菌对左氧氟沙星耐药率达92.4%,对苯唑西林和氟苯尼考耐药率高于80.0%。卡方检验结果显示:冬季葡萄球菌仅对苯唑西林的耐药率显著高于春季葡萄球菌(P<0.05);春季葡萄球菌对氟苯尼考、利福平、左氧氟沙星、恩诺沙星和阿莫西林/克拉维酸的耐药率均显著高于冬季葡萄球菌(P<0.05)。多药耐药差异性结果显示:冬季葡萄球菌多药耐药集中在1~3耐;春季葡萄球菌多药耐药集中在4、6、9耐。基因检测结果显示:冬季葡萄球菌主要检出的基因有ermB(40.0%,30/75)和fexA(22.7%,17/75);春季葡萄球菌主要检出的基因有fexA(39.3%,31/79)和femA(20.3%,16/79),冬、春季葡萄球菌均未检出cfr、fexB和tetA基因。

    Abstract:

    The 154 pet-derived Staphylococcus(75 strains collected in winter and 79 strains in spring) isolated from pet hospitals in Urumqi were identified by agar dilution method to have 12 antimicrobial resistance(amikacin, clindamycin, gentamicin sulfate, florfenicol, tetracycline, rifampicin, enrofloxacin, penicillin, oxacillin, amoxicillin/clavulanic acid, ceftiofur, levofloxacin). The results showed that the resistance rates of winter pet source to oxacillin and penicillin were higher than 90.0%, the resistance rate to ceftiofur and tetracycline were higher than 50.0%. The resistance rates of levofloxacin in those collected from spring pets was up to 92.4%, the resistance rates to ceftiofur and tetracycline were above 80.0%. The chi square test results showed that resistance rate of Staphylococcus to oxacillin from winter pets was significantly higher than that from spring pet source(P<0.05). The resistance rates of Staphylococcus to florfenicol, rifampicin, levofloxacin, enrofloxacin and amoxicillin/clavulanic acid from spring pet source were significantly higher than that from winter pet source(P<0.05). The multidrug resistance results of winter pet source Staphylococcus was concentrated in 1-3, the multidrug resistance results of spring pet source Staphylococcus was concentrated in 4 resistant, 6 resistant and 9 resistant. The gene detection results showed that the main genes of winter pet source Staphylococcus were ermB(40.0%, 30/75) and fexA(22.7%, 17/75). The main detection genes of spring pet source Staphylococcus were fexA(39.3%, 31/79) and femA(20.3%, 16/79), cfr, fexB and tetA genes weren’t detected.

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轩慧勇,苏战强,翟少华,姚晓慧,夏利宁.乌鲁木齐市冬春两季宠物源葡萄球菌的耐药性及耐药基因比较[J].湖南农业大学学报(自然科学版),2019,45(2):.

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  • 在线发布日期: 2019-04-23
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