Mycobacterium tuberculosis is a natural mutant with an inactivated oxidative-stress regulatory gene: implications for sensitivity to isoniazid
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Tightly regulated gene expression systems represent invaluable tools for studying gene function and for the validation of drug targets in bacteria. While several regulated bacterial promoters have been characterized, few of them have been successfully used ...
Reactive nitrogen species (RNS) play an essential role in host defence against Mycobacterium tuberculosis (MTB) in the mouse model of tuberculosis (TB), as evidenced by the increased susceptibility of mice deficient in the inducible isoform of nitric oxide ...
To further unravel the mechanisms responsible for attenuation of the tuberculosis vaccine Mycobacterium bovis BCG, comparative genomics was used to identify single nucleotide polymorphisms (SNPs) that differed between sequenced strains of Mycobacterium bov ...
The dedicated secretion system ESX-1 of Mycobacterium tuberculosis encoded by the extended RD1 region (extRD1) assures export of the ESAT-6 protein and its partner, the 10-kDa culture filtrate protein CFP-10, and is missing from the vaccine strains M. bovi ...
Background: In Mycobacterium tuberculosis and in Mycobacterium smegmatis the furA-katG loci, encoding the FurA regulatory protein and the KatG catalase-peroxidase, are highly conserved. In M. tuberculosis furA-katG constitute a single operon, whereas in M. ...
Background: The variable efficacy (0-80%) of Mycobacterium bovis Bacille Calmette Gurein (BCG) vaccine against adult tuberculosis (TB) necessitates development of alternative vaccine candidates. Development of recombinant BCG (rBCG) over-expressing promisi ...
Owing to its highly immunodominant nature and ability to induce long-lived memory immunity, ESAT-6. a prominent antigen of Mycobacterium tuberculosis, has been employed in several approaches to develop tuberculosis vaccines Here, for the first time, we com ...
The twin arginine translocation (Tat) system is used by many bacteria to export fully folded proteins containing cofactors. Here, we show genetically that this system is essential for Mycobacterium tuberculosis, as the tatAC operon and tatB genes could be ...
Mycobacterium tuberculosis remains a leading cause of morbidity and mortality worldwide. Advances reported at a recent international meeting highlight insights and controversies in the genetics of M. tuberculosis and the infected host, the nature of protec ...
Culture filtrate protein 10 (CFP-10) from Mycobacterium tuberculosis is a well-characterized immunodominant 10-kDa protein antigen known to elicit a very potent early gamma interferon response in T cells from M. tuberculosis-infected mice and humans. The s ...
