Separation of Mycobacterium bovis BCG from Mycobacterium tuberculosis and Mycobacterium bovis by using high-performance liquid chromatography of mycolic acids

Author:

Floyd M M1,Silcox V A1,Jones W D1,Butler W R1,Kilburn J O1

Affiliation:

1. Division of Bacterial and Mycotic Diseases, Centers for Disease Control, Atlanta, Georgia 30333.

Abstract

Profile analysis of mycolic acid ester patterns of Mycobacterium tuberculosis, Mycobacterium bovis, and Mycobacterium bovis bacillus Calmette-Gúerin (BCG) using high-performance liquid chromatography indicated that separation of BCG from M. tuberculosis and M. bovis by elution and relative retention times is possible. Mycolic acid patterns of BCG eluted from the column 0.5 min before M. tuberculosis or M. bovis, resulting in relative retention times for two peaks not seen in the pattern of M. tuberculosis or M. bovis. Identification was confirmed by phage typing, which has been the standard procedure for confirmation of BCG strains. These results showed that high-performance liquid chromatographic analysis of mycolic acid esters can be used in the mycobacterial reference laboratory for separation of BCG from M. tuberculosis and M. bovis.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Reference12 articles.

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2. Highperformance liquid chromatography patterns of mycolic acids as criteria for identification of Mycobacterium chelonae, Mycobacterium fortuitum, and Mycobacterium smegmatis;Butler W. R.;J. Clin. Microbiol.,1990

3. Identification of mycobacteria by high-performance liquid chromatography;Butler W. R.;J. Clin. Microbiol.,1991

4. Identification of major slowly growing pathogenic mycobacteria and Mycobacterium gordonae by high-performance liquid chromatography of their mycolic acids;Butler W. R.;J. Clin. Microbiol.,1988

5. BCG identification by DNA restriction fragment patterns;Collins D. M.;J. Gen. Microbiol.,1987

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