Tubercle Bacilli Resistant to Isoniazid

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Some aspects of virulence of isoniazid-resistant tubercle bacilli.

Mycobacterial strains examined : a) No. 386R-INH, b) H37RvR-INH, c) BCGR-INH, d) No. 386R-TB1• INH. The first three strains were isolated in one step on slants of Ogawa's medium containing INH in a concentration of 100ƒÁ per ml from their parent strain; No. 386, H37Rv, and BCG respectively, of which the history was described in our previous paper(10). Although these three INH-resistant strains ...

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The virulence of isoniazid resistant tubercle bacilli, recovered from patients during treatment.

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Catalase activity and isoniazid sensitivity of tubercle bacilli.

sam (1956). Peizer and Widelock (1955), however, failed to find a consistent relationship between isoniazid sensitivity and catalase activity. Since the catalase test is easily performed and gives an immediate result, it would obviously be of value as a presumptive indicator of isoniazid resistance if it were proved to be consistently negative in isoniazid-resistant cultures. In order to obtain...

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Low incidence of rifampicin-resistant tubercle bacilli.

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A simple method for detecting streptomycin-resistant tubercle bacilli.

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ژورنال

عنوان ژورنال: BMJ

سال: 1954

ISSN: 0959-8138,1468-5833

DOI: 10.1136/bmj.1.4854.128