Firmani Marcia A, Riley Lee W
School of Public Health, Division of Infectious Disease, University of California at Berkeley, Berkeley, California 94720, USA.
Infect Immun. 2002 Jul;70(7):3965-8. doi: 10.1128/IAI.70.7.3965-3968.2002.
Resistance to reactive oxygen intermediates and reactive nitrogen intermediates in vitro of a clinical isolate of Mycobacterium tuberculosis (CDC1551) that caused a large outbreak of tuberculosis was compared to that of M. tuberculosis strains CB3.3, H37Rv, H37Ra, Erdman, RJ2E, C.C. 13, and C.C. 22 as well as M. bovis strains Ravenel and BCG. CDC1551 and CB3.3 were significantly more resistant to both hydrogen peroxide (H(2)O(2)) and acidified sodium nitrite than were the other strains tested. This biological phenotype may serve as an in vitro marker for clinical strains of M. tuberculosis likely to cause a large outbreak of tuberculosis.
将引起大规模结核病暴发的结核分枝杆菌临床分离株(CDC1551)在体外对活性氧中间体和活性氮中间体的抗性,与结核分枝杆菌菌株CB3.3、H37Rv、H37Ra、Erdman、RJ2E、CC13和CC22以及牛分枝杆菌菌株Ravenel和卡介苗进行了比较。与其他受试菌株相比,CDC1551和CB3.3对过氧化氢(H₂O₂)和酸化亚硝酸钠均具有显著更高的抗性。这种生物学表型可能作为可能引起大规模结核病暴发的结核分枝杆菌临床菌株的体外标志物。