Optimization of Procedures for Isolation of Mycobacteria from Soil and Water Samples Obtained in Northern India

Author:

Parashar Deepti1,Chauhan D. S.1,Sharma V. D.1,Chauhan Aradhana1,Chauhan S. V. S.2,Katoch V. M.1

Affiliation:

1. Central JALMA Institute for Leprosy and Other Mycobacterial Diseases (Indian Council of Medical Research)

2. School of Life Sciences, Dr. B. R. Ambedkar University, Agra, India

Abstract

ABSTRACT For isolation of environmental mycobacteria, a decontamination procedure has been standardized by which treatment with 3% sodium dodecyl sulfate plus 4% NaOH (15 and 30 min for rapid and slow growers, respectively) is followed by incubation with 2% cetrimide (5 and 15 min for fast- and slow-growing mycobacteria, respectively); this procedure was found to completely eliminate contamination with other organisms and resulted in the isolation of only mycobacteria.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference12 articles.

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2. Engbaek, H. C., B. Vergmann, and B. Weis Bentzon. 1967. The sodium lauryl sulphate method in culturing sputum for mycobacteria. Scand. J. Respir. Dis.48:268-284.

3. Engel, H. W. B., L. G. Berwald, and A. H. Havelaar. 1980. The occurrence of M. kansasii in tap water. Tubercle61:21-26.

4. Falkinham, J. O., III, B. C. Parker, and H. Gruft. 1980. Epidemiology of infection by nontuberculous mycobacteria. I. Geographic distribution in the eastern United States. Am. Rev. Respir. Dis.121:931-939.

5. Jenkins, P. A., S. R. Pattyn, and F. Portaels. 1982. Diagnostic bacteriology, p. 441-470. In C. Ratledge and J. Stanford (ed.), The biology of the mycobacteria, vol. 1. Academic Press, London, England.

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