Intestinal phages interact with bacteria and are involved in human diseases

H Shuwen, D Kefeng - Gut Microbes, 2022 - Taylor & Francis
Phages are the most abundant and diverse biological entities on Earth and exert specific
effects on bacterial hosts. The coexistence of phages and bacteria in the intestinal tract is …

Mycobacterium tuberculosis strain with deletions in menT3 and menT4 is attenuated and confers protection in mice and guinea pigs

TP Gosain, S Chugh, ZA Rizvi, NK Chauhan… - Nature …, 2024 - nature.com
The genome of Mycobacterium tuberculosis encodes for a large repertoire of toxin-antitoxin
systems. In the present study, MenT3 and MenT4 toxins belonging to MenAT subfamily of TA …

Cryo‐EM structure of antibacterial efflux transporter QacA from Staphylococcus aureus reveals a novel extracellular loop with allosteric role

P Majumder, S Ahmed, P Ahuja, A Athreya… - The EMBO …, 2023 - embopress.org
Efflux of antibacterial compounds is a major mechanism for developing antimicrobial
resistance. In the Gram‐positive pathogen Staphylococcus aureus, QacA, a 14 …

[HTML][HTML] A comparative analysis of mycobacterial ribonucleases: Toward a therapeutic novel drug target

LK Jaiswal, RK Singh, T Nayak, A Kakkar… - Infection, Genetics and …, 2024 - Elsevier
Bacterial responses to continuously changing environments are addressed through
modulation of gene expression at the level of transcription initiation, RNA processing and/or …

Structural and mutational analysis of MazE6-operator DNA complex provide insights into autoregulation of toxin-antitoxin systems

K Kumari, SP Sarma - Communications Biology, 2022 - nature.com
Of the 10 paralogs of MazEF Toxin-Antitoxin system in Mycobacterium tuberculosis, MazEF6
plays an important role in multidrug tolerance, virulence, stress adaptation and Non …

Deciphering the role of VapBC13 and VapBC26 toxin antitoxin systems in the pathophysiology of Mycobacterium tuberculosis

A Sharma, N Singh, M Bhasin, P Tiwari… - Communications …, 2024 - nature.com
The expansion of VapBC TA systems in M. tuberculosis has been linked with its fitness and
survival upon exposure to stress conditions. Here, we have functionally characterized …

MazEF toxin–antitoxin systems: their role in Mycobacterium tuberculosis stress response and drug resistance

Z Thakur, R Chaudhary, PK Mehta - Expert Review of Anti-infective …, 2024 - Taylor & Francis
The remarkable ability of Mtb to persist within host renders its treatment and eradication
quite challenging [1]. Toxin-Antitoxin (TA) systems are genetic modules found in both …

The whole genome sequence of Polish vaccine strain Mycobacterium bovis BCG Moreau

K Krysztopa-Grzybowska, J Lach, M Polak… - Microbiology …, 2024 - Am Soc Microbiol
Currently, tuberculosis immunoprophylaxis is based solely on Bacillus Calmette-Guérin
(BCG) vaccination, and some of the new potential tuberculosis vaccines are based on the …

Insights into the solution structure and transcriptional regulation of the MazE9 antitoxin in Mycobacterium tuberculosis

TB Roy, SP Sarma - Proteins: Structure, Function, and …, 2023 - Wiley Online Library
The present study endeavors to decode the details of the transcriptional autoregulation
effected by the MazE9 antitoxin of the Mycobacterium tuberculosis MazEF9 toxin–antitoxin …

Combining cysteine scanning with chemical labeling to map protein-protein interactions and infer bound structure in an intrinsically disordered region

S Ahmed, G Chattopadhyay, K Manjunath… - Frontiers in Molecular …, 2022 - frontiersin.org
The Mycobacterium tuberculosis genome harbours nine toxin-antitoxin (TA) systems of the
mazEF family. These consist of two proteins, a toxin and an antitoxin, encoded in an operon …