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Volume 12, Number 5—May 2006
THEME ISSUE
Tuberculosis Special Section

Dispatch

Mycobacterium bovis Isolates with M. tuberculosis Specific Characteristics

Tanja Kubica*, Rimma Agzamova†, Abigail Wright‡, Galimzhan Rakishev†, Sabine Rüsch-Gerdes*, and Stefan Niemann*Comments to Author 
Author affiliations: *National Reference Center for Mycobacteria, Borstel, Germany; †National Center for Tuberculosis Problems, Almaty, Kazakhstan; ‡World Health Organization, Geneva, Switzerland

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Table 1

Phenotypic characteristics of type strains Mycobacterium tuberculosis H37 (ATCC 27294), M. bovis (ATCC19210), M. africanum (ATCC25420), and the strains analyzed*

Strains Colony morphology† Test result
TCH‡ PZA Niacin accumulation Nitrate reduction Change of color of bromcresol medium Growth on Lebek medium
Kazakhstan (n = 8)§ Eugonic S R + Aerophilic
ATCC M. bovis Dysgonic S R Microaerophilic
ATCC H37 Eugonic R S + + + Aerophilic
ATCC M. africanum Dysgonic S S + + Microaerophilic

*TCH, thiophene-2-carboxylic acid hydrazide; PZA, pyrazinamide; +, positive test result; –, negative test result; S, susceptible; R, resistant.
†Growth characteristics on Lowenstein-Jensen and bromcresol purple slants.
‡Growth in presence of TCH.
§All 8 strains showed identical test results.

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