Genomic and transcriptomic analysis of the streptomycin-dependent Mycobacterium tuberculosis strain 18b
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The exact role of the DosR "dormancy" regulon in the pathogenesis of Mycobacterium tuberculosis is still unclear. It has been observed that members of the regulon, including dosR, are constitutively expressed in clinical isolates belonging to the W/Beijing ...
Recent studies have demonstrated that combined substitutions of rifapentine for rifampin and moxifloxacin for isoniazid in the standard, daily, short-course regimen of rifampin, isoniazid, and pyrazinamide produces stable cure in 12 weeks or less. This stu ...
Similarities between Mycobacterium tuberculosis phoP-phoR mutants and the attenuated laboratory strain M. tuberculosis H37Ra in terms of morphological and cytochemical properties, lipid content, gene expression and virulence attenuation prompted us to anal ...
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 ...
Multidrug-resistant tuberculosis (MDR-TB) poses a serious threat to global public health. The mutations responsible for drug resistance in Mycobacterium tuberculosis have been identified, but what impact these mutations have on bacterial fitness is controv ...
TubercuList (http://tuberculist.epfl.ch/), the relational database that presents genome-derived information about H37Rv, the paradigm strain of Mycobacterium tuberculosis, has been active for ten years and now presents its twentieth release. Here, we descr ...
Regimens recommended to treat latent tuberculosis infection (LTBI) are 3 to 9 months long. A 2-month rifampin+pyrazinamide regimen is no longer recommended. Shorter regimens are highly desirable. Because substituting rifapentine for rifampin in the standar ...
The tolerance of Mycobacterium tuberculosis to anti-tuberculosis drugs is a major reason for the lengthy therapy needed to treat a tuberculosis infection. Rifampin is a potent inhibitor of RNA polymerase (RNAP) in vivo, but has been shown to be less effect ...
As part of our effort to uncover the molecular basis for the phenotypic variation among clinical Mycobacterium tuberculosis isolates, we have previously reported that isolates belonging to the W/Beijing lineage constitutively overexpress the DosR-regulated ...
The success of Mycobacterium tuberculosis as a pathogen is largely attributable to its ability to persist in host tissues, where drugs that are rapidly bactericidal in vitro require prolonged administration to achieve comparable effects. Latency is a frequ ...