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. 2001 Jun;45(6):1934-6.
doi: 10.1128/AAC.45.6.1934-1936.2001.

Kanamycin susceptibility testing of Mycobacterium tuberculosis using Mycobacterium Growth Indicator Tube and a colorimetric method

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Kanamycin susceptibility testing of Mycobacterium tuberculosis using Mycobacterium Growth Indicator Tube and a colorimetric method

I Bastian et al. Antimicrob Agents Chemother. 2001 Jun.

Abstract

Two novel systems were evaluated for performing indirect kanamycin susceptibility tests on 72 strains of Mycobacterium tuberculosis. The microplate Alamar blue colorimetric method (breakpoint, 2.5 microg/ml) and the Mycobacterium Growth Indicator Tube (MGIT) system (breakpoint, 5.0 microg/ml) both produced 98.6% agreement when compared with the conventional proportion method performed on 7H10 agar using 5.0 microg of kanamycin/ml. Both systems provided results within an average of 1 week.

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