Results 41 to 50 of about 12,768 (245)

First description of the katG gene deletion in a Mycobacterium tuberculosis clinical isolate and its impact on the mycobacterial fitness

open access: yesInternational Journal of Medical Microbiology, 2021
Isoniazid (INH) is the cornerstone of the anti-tuberculosis regimens and emergence of Mycobacterium tuberculosis (Mtb) resistant strains is a major threat to our ability to control tuberculosis (TB) at global level.
Flavio De Maio   +7 more
doaj   +1 more source

Virulence of Mycobacterium tuberculosis after Acquisition of Isoniazid Resistance: Individual Nature of katG Mutants and the Possible Role of AhpC. [PDF]

open access: yesPLoS ONE, 2016
In the last decade, there were 10 million new tuberculosis cases per year globally. Around 9.5% of these cases were caused by isoniazid resistant (INHr) Mycobacterium tuberculosis (Mtb) strains.
Luisa Maria Nieto R   +8 more
doaj   +1 more source

Synthesis, antimycobacterial evaluation, and molecular docking study of 1,2,4-triazole derivatives

open access: yesJournal of Enzyme Inhibition and Medicinal Chemistry, 2023
Fifteen 1,2,4-triazole derivatives were synthesised in this study and their MIC values against Mycobacterium tuberculosis (Mtb) ranged from 2 to 32 μg/mL.
Meng-Yu Xia   +5 more
doaj   +1 more source

Presence of katG gene in resistant Mycobacterium tuberculosis. [PDF]

open access: yesJournal of Clinical Pathology, 1996
It has been reported recently that isoniazid resistant strains of Mycobacterium tuberculosis have lost the katG gene which encodes the catalase-peroxidase enzyme. A 35 mer oligonucleotide probe specific for the katG gene of M tuberculosis, 3' end-labelled with digoxigenin, was constructed and hybridised with DNA extracted from 26 clinical isolates of M
M, Jaber, A, Rattan, R, Kumar
openaire   +2 more sources

Investigations on mutations in katG gene and inhA promoter region associated with isoniazid resistance in the clinical isolates of mycobacterium tuberculosis from Tehran, Iran

open access: yesChronic Diseases Journal
BACKGROUND: Isoniazid (INH) is one of the first-line drugs used for the treatment of Mycobacterium tuberculosis (Mtb). This study aimed to determine the mutations in katG and inhA promoter regions associated with INH resistance in clinical isolates of ...
Shahrzad Shafiei   +2 more
doaj   +1 more source

Detection of genomic mutations in katG and rpoB genes among multidrug-resistant Mycobacterium tuberculosis isolates from Tehran, Iran

open access: yesNew Microbes and New Infections, 2021
Multidrug-resistant (MDR) Mycobacterium tuberculosis strains, defined as resistant to at least isoniazid and rifampin, have emerged as a major worldwide health threat. Spontaneous point mutations in various genes of M.
B. Motavaf   +5 more
doaj   +1 more source

KatG, the Bifunctional Catalase of Xanthomonas citri subsp. citri, Responds to Hydrogen Peroxide and Contributes to Epiphytic Survival on Citrus Leaves. [PDF]

open access: yesPLoS ONE, 2016
Xanthomonas citri subsp. citri (Xcc) is the bacterium responsible for citrus canker. This bacterium is exposed to reactive oxygen species (ROS) at different points during its life cycle, including those normally produced by aerobic respiration or upon ...
María Laura Tondo   +5 more
doaj   +1 more source

Nucleotide sequence of katG, encoding catalase HPI of Escherichia coli [PDF]

open access: yesJournal of Bacteriology, 1988
The gene katG, encoding catalase HPI of Escherichia coli, was sequenced, predicting a 726-amino-acid protein. The sequence was confirmed by identification of potential regulatory elements and amino acid sequencing of peptides. HPI shows no homology to other catalases. The distances between katG, metF, and ppc were defined.
B L, Triggs-Raine   +4 more
openaire   +2 more sources

Multiplex PCR for Rapid Detection of Rifampin and Isoniazid Resistance in Mycobacterium tuberculosis Isolated from Bandung, Indonesia

open access: yesMicrobiology Indonesia, 2010
Mycobacterium tuberculosis resistant to rifampin and isoniazid, known as multidrug-resistant M. tuberculosis (MDR-TB) strains, is an emerging problem of great importance to public health, with higher mortality rates than for drug-sensitive strains ...
HERA NOVIANA   +3 more
doaj   +1 more source

Heteroresistance of Mycobacterium tuberculosis in the Sputum Detected by Droplet Digital PCR

open access: yesBiology, 2023
Heteroresistance in MTB refers to the presence of distinct subpopulations of bacteria with varying levels of antibiotic susceptibility within a population. Multidrug-resistant and rifampicin-resistant TB are serious global health concerns. In this study,
Ye Win Aung   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy