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*
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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