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Molecular epidemiology of tet M gene in high-level tetracycline-resistant Neisseria gonorrhoeae isolates in Nanjing, 1999 - 2004
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF DERMATOLOGY
- Issue:
- 3
- DOI:
- 10.3760/j.issn:0412-4030.2007.03.001
- Key Word:
- 奈瑟球菌,淋病;四环素抗药性;tetM基因
Abstract： 目的 了解南京地区四环素高度耐药淋球菌(TRNG)tetM基因的分子流行病学情况.方法 采用琼脂稀释法检测菌株是否为TRNG,采用纸片酸度定量法测定菌株是否产β-内酰胺酶.采用单管PCR方法对TRNG阳性菌株作tetM基因分型.结果 1999-2004年间南京地区804株淋球菌中共检出136株(16.92%)TRNG,β-内酰胺酶阳性的淋球菌(PPNG)为290株,所有TRNG中69.85%(95/136)为PPNG/TRNG,TRNG的阳性率逐年增高.tetM基因分型结果显示,荷兰变型为135株,美国变型仅1株.结论 南京地区流行的TRNG以荷兰型tetM基因为主(99.26%),美国型仅为偶发.
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