Novel mutations in ndh in isoniazid-resistant Mycobacterium tuberculosis isolates

被引:128
作者
Lee, ASG [1 ]
Teo, ASM
Wong, SY
机构
[1] Natl Canc Ctr, Div Med Sci, Singapore 169610, Singapore
[2] Singapore Gen Hosp, Dept Clin Res, Singapore 169608, Singapore
[3] Tan Tock Seng Hosp, Dept Infect Dis, Singapore 308433, Singapore
关键词
D O I
10.1128/AAC.45.7.2157-2159.2001
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Novel mutations in NADH dehydrogenase (ndh) were detected in 8 of 84 (9.5%) isoniazid (INH)-resistant isolates (T110A [n = 1], R268H [n = 71), but not in 22 INH-susceptible isolates of Mycobacterium tuberculosis. Significantly, all eight isolates with mutations at ndh did not have mutations at katG, kasA, or the promoter regions of inhA or ahpC, except for one isolate. Mutations in ndh appear to be an additional molecular mechanism for isoniazid resistance in M. tuberculosis.
引用
收藏
页码:2157 / 2159
页数:3
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