Mycobacterium tuberculosis-macrophage interaction: Molecular updates

H Bo, UAE Moure, Y Yang, J Pan, L Li… - Frontiers in cellular …, 2023 - frontiersin.org
Mycobacterium tuberculosis (Mtb), the causative agent of Tuberculosis (TB), remains a
pathogen of great interest on a global scale. This airborne pathogen affects the lungs, where …

Caseum: a niche for Mycobacterium tuberculosis drug-tolerant persisters

JP Sarathy, V Dartois - Clinical microbiology reviews, 2020 - journals.asm.org
Caseum, the central necrotic material of tuberculous lesions, is a reservoir of drug-
recalcitrant persisting mycobacteria. Caseum is found in closed nodules and in open …

Mycobacterium tuberculosis hijacks host TRIM21- and NCOA4-dependent ferritinophagy to enhance intracellular growth

Y Dai, C Zhu, W **ao, K Huang, X Wang, C Shi… - The Journal of Clinical …, 2023 - jci.org
Ferritin, a key regulator of iron homeostasis in macrophages, has been reported to confer
host defenses against Mycobacterium tuberculosis (Mtb) infection. Nuclear receptor …

TcrXY is an acid-sensing two-component transcriptional regulator of Mycobacterium tuberculosis required for persistent infection

M Stupar, L Tan, ED Kerr, CJ De Voss… - Nature …, 2024 - nature.com
The ability of Mycobacterium tuberculosis (Mtb) to persist in the host complicates and
prolongs tuberculosis (TB) patient chemotherapy. Here we demonstrate that a neglected two …

Comprehensive analysis of iron utilization by Mycobacterium tuberculosis

L Zhang, RC Hendrickson, V Meikle… - PLoS …, 2020 - journals.plos.org
Iron is essential for nearly all bacterial pathogens, including Mycobacterium tuberculosis
(Mtb), but is severely limited in the human host. To meet its iron needs, Mtb secretes …

Heme and hemoglobin utilization by Mycobacterium tuberculosis

A Mitra, YH Ko, G Cingolani, M Niederweis - Nature communications, 2019 - nature.com
Iron is essential for growth of Mycobacterium tuberculosis (Mtb), but most iron in the human
body is stored in heme within hemoglobin. Here, we demonstrate that the substrate-binding …

Regulation of heme biosynthesis via the coproporphyrin dependent pathway in bacteria

H Aftab, RK Donegan - Frontiers in Microbiology, 2024 - frontiersin.org
Heme biosynthesis in the Gram-positive bacteria occurs mostly via a pathway that is distinct
from that of eukaryotes and Gram-negative bacteria in the three terminal heme synthesis …

Moxifloxacin-mediated killing of Mycobacterium tuberculosis involves respiratory downshift, reductive stress, and accumulation of reactive oxygen species

S Shee, S Singh, A Tripathi, C Thakur… - Antimicrobial Agents …, 2022 - journals.asm.org
Moxifloxacin is central to treatment of multidrug-resistant tuberculosis. Effects of moxifloxacin
on the Mycobacterium tuberculosis redox state were explored to identify strategies for …

Cysteine desulfurase (IscS)–mediated fine-tuning of bioenergetics and SUF expression prevents Mycobacterium tuberculosis hypervirulence

M Das, S Sreedharan, S Shee, N Malhotra… - Science …, 2023 - science.org
Iron-sulfur (Fe-S) biogenesis requires multiprotein assembly systems, SUF and ISC, in most
prokaryotes. M. tuberculosis (Mtb) encodes a complete SUF system, the depletion of which …

Iron limitation in M. tuberculosis has broad impact on central carbon metabolism

ME Theriault, D Pisu, KM Wilburn, G Lê-Bury… - Communications …, 2022 - nature.com
Mycobacterium tuberculosis (Mtb), the cause of the human pulmonary disease tuberculosis
(TB), contributes to approximately 1.5 million deaths every year. Prior work has established …