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Article in Chinese | WPRIM | ID: wpr-692776

ABSTRACT

Objective To analyze the variation characteristics of rpoB,katG,inhA,rpsL and embB related genes of Mycobacterium tuberculosis(MTB)in Qinzhou,Guangxi.Methods PCR reverse point hybridization was used to detect 5 common resistance mutants of Mycobacterium tuberculosis in 237 MTB-DNA positive sputum samples.Results Among 237 cases of tuberculosis patients,72 cases(30.38%)were resistant to the four kinds of anti-TB drugs.The resistance mutation rate of rifampin,isoniazid and streptomycin was 2.53%, 13.92%,3.80%.The top 5 gene mutation detection loci of Mycobacterium tuberculosis were-15M,S531L and 43M.Conclusion The main drug-resistant strains are isoniazid resistance,and the mutation of inhA gene were the major one in Qinzhou,Guangxi.

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