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Journal of Clinical Microbiology, September 1998, p. 2752-2754, Vol. 36, No. 9
0095-1137/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Novel Method for Rapid Measurement of Growth of
Mycobacteria in Detergent-Free Media
Paul R.
Meyers,1
William R.
Bourn,2
Lafras M.
Steyn,1
Paul D.
van
Helden,2
Albert D.
Beyers,2 and
Gordon D.
Brown2,*
Department of Medical Microbiology,
University of Cape Town, Observatory, Cape Town
7925,1 and
MRC Centre for Molecular
and Cellular Biology, Department of Medical Biochemistry,
University of Stellenbosch, Tygerberg, 7505,2
South Africa
Received 16 March 1998/Returned for modification 12 May
1998/Accepted 1 June 1998
We describe a novel, rapid, and inexpensive method for the
measurement of growth of Mycobacterium
tuberculosis, Mycobacterium bovis, and
Mycobacterium smegmatis in the presence or absence of
detergent. The method, which employs hot NaOH treatment of mycobacterial cells to release total cellular protein, compares favorably with other methods for monitoring mycobacterial growth but is
particularly useful for heavily clumped cultures grown in defined
minimal medium.
*
Corresponding author. Mailing address: Department of
Medical Biochemistry, P.O. Box 19063, Tygerberg Medical School,
Tygerberg, 7505 South Africa. Phone: 27 21 938-9402/8. Fax: 27 21 931-7810. E-mail: gbro{at}gerga.sun.ac.za.
Journal of Clinical Microbiology, September 1998, p. 2752-2754, Vol. 36, No. 9
0095-1137/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
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