Research of susceptibility and resistance to antibiotics in mycob acterium chelonei

YANG Zhi-bang; et al

doi:10.13406/j.cnki.cyxb.2001.03.008

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Research of susceptibility and resistance to antibiotics in mycob acterium chelonei

更新时间：2024-01-17

- Research of susceptibility and resistance to antibiotics in mycob acterium chelonei
- Journal of Chongqing Medical University Issue 3, Pages: 247-249(2001)
- 作者机构：
  
  1. 重庆医科大学基础医学院微生物学教研室
  2. 重庆职工医学院微生物寄生虫学教研室
  3. 重庆医科大学基础医学院微生物学教研室,重庆,400016
  4. ,重庆,400050
- 作者简介：
- 基金信息：
- DOI：10.13406/j.cnki.cyxb.2001.03.008
  CLC： R446.5
- Published：2001，
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[1]杨致邦,陈清凤,李华平,陈全.龟分枝杆菌药物敏感性与耐药性探讨[J].重庆医科大学学报,2001(03):247-249.

YANG Zhi-bang, et al. Research of susceptibility and resistance to antibiotics in mycob acterium chelonei. [J]. Journal of Chongqing Medical University (3):247-249(2001)
[1]杨致邦,陈清凤,李华平,陈全.龟分枝杆菌药物敏感性与耐药性探讨[J].重庆医科大学学报,2001(03):247-249. DOI： 10.13406/j.cnki.cyxb.2001.03.008.

YANG Zhi-bang, et al. Research of susceptibility and resistance to antibiotics in mycob acterium chelonei. [J]. Journal of Chongqing Medical University (3):247-249(2001) DOI： 10.13406/j.cnki.cyxb.2001.03.008.

摘要

目的：探讨龟分枝杆菌对抗生素的敏感性和耐药机理。方法：从我市工厂医院院内感染标本中分离龟分枝杆菌１２株。用琼脂扩散法测定抗生素的敏感性，用滤纸片法进行联合药敏试验，并提取、鉴定质粒，用氟哌酸消除质粒。结果：４２种抗生素中，３株龟分枝杆菌龟亚种对大多数氟喹诺酮类、氨基糖甙类的抗生素敏感。对抗结核药利福平、吡嗪酰胺、乙胺丁醇敏感。９株脓肿亚种对大多数氨基糖甙类的抗生素敏感，对氟喹诺酮类的环丙沙星敏感，对多数抗结核药耐药。在药物间均为无关作用。从６株脓肿亚种中提取出一个９．１ｋｂ质粒，消除质粒后耐药性不变。结论：龟分枝杆菌是一种对多种抗生素耐药的细菌，药物敏感性差异较大。其耐药性与质粒传递无关

Abstract

Objective: To investigate the susceptibility to antibiotics and the mechanism of the resistance in Mycobacterium chelonei. Methods: To determine the susceptibility of antibiotics by the method of ag ar dilution and to test the combination drug susceptibility by the method of the filter paper. 12 strains of Mycobacterium chelonei were isolated from cases of the hospital infection in the factory clinics in Chongqing and the plasmids were extracted and eliminated by norfloxacin in these bacteria. Results: In 42 antibiotics

3 of M. chelonei subspecies were susceptible to most of antibiotics

such as aminoglycosides

fluoroquinolones and rifampin

pyrafat

ethambutol in the antituberculosis agents and 9 of M. Chelonei subspecies abscesses were susceptible to most of antibiotics of aminoglycosides

ciprofloxacin in fluoroquinolones but resistant to antituberculosis agents in the test. The noncorrelation between any 2 antibiotics was observed. A 9.1 Kb plasmids profile was observed in 6 bacteria

but as it was eliminated

the resistance to antibiotics was not c hanged. Conclusion: The bacteria are multiply resistant and have great differences in their susceptibility. The resistance to antibiotics was not translated by plasmid.

关键词

龟分枝杆菌抗生素质粒

Keywords

Mycobacterium cheloneiAntibioticplasmid

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