期刊
TUBERCULOSIS
卷 84, 期 5, 页码 311-316出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.tube.2003.12.001
关键词
M. tuberculosis; rifampicin; drug-resistance; LiPA; rpoB
Resistant Mycobacterium tuberculosis has become a serious threat to public health. In order to inhibit spreading and give effective treatment, it is of great importance, as early as possible, to detect drug-resistant bacteria. To evaluate the usefulness of the Line Probe Assay (INNO-LiPA(TM) Rif.TB) for rapid detection of rifampicin resistance, we used 52 clinical isolates of M. tuberculosis from the national strain collection at the Swedish Institute for Infectious Disease Control and the drug susceptible reference strain H37Rv. By using BACTEC 460 methodology, 27 of these strains were determined as resistant to rifampicin and 26 as sensitive to rifampicin. Mutations known to give resistance to rifampicin were detected by UPA in all 27 rifampicin-resistant strains. Among the 26 susceptible strains, 24 had the wild-type pattern in LiPA, while in two, mutations were seen. The UPA correctly identified the M. tuberculosis complex in all. samples. The high accuracy and simplicity of UPA makes it a very promising method for the early identification of rifampicin resistance in M. tuberculosis. (C) 2004 Elsevier Ltd. All rights reserved.
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