Iron storage proteins are essential for the survival and pathogenesis of Mycobacterium tuberculosis in THP-1 macrophages and the guinea pig model of infection

PV Reddy, RV Puri, A Khera, AK Tyagi - Journal of bacteriology, 2012 - journals.asm.org
Iron is one of the crucial elements required for the growth of Mycobacterium tuberculosis.
However, excess free iron becomes toxic for the cells because it catalyzes the production of …

Signalling mechanisms in Mycobacteria

PK Chakraborti, N Matange, VK Nandicoori, Y Singh… - Tuberculosis, 2011 - Elsevier
The importance of inter-and intracellular signal transduction in all forms of life cannot be
underestimated. A large number of genes dedicated to cellular signalling are found in …

Comprehensive insights into Mycobacterium tuberculosis DevR (DosR) regulon activation switch

S Chauhan, D Sharma, A Singh, A Surolia… - Nucleic acids …, 2011 - academic.oup.com
DevR regulon function is believed to be crucial for the survival of Mycobacterium
tuberculosis during dormancy. In this study, we undertook a comprehensive analysis of the …

Appropriate DevR (DosR)-Mediated Signaling Determines Transcriptional Response, Hypoxic Viability and Virulence of Mycobacterium tuberculosis

S De Majumdar, A Vashist, S Dhingra, R Gupta… - PloS one, 2012 - journals.plos.org
Background The DevR (DosR) regulon is implicated in hypoxic adaptation and virulence of
Mycobacterium tuberculosis. The present study was designed to decipher the impact of …

DNA Aptamer Targets Mycobacterium tuberculosis DevR/DosR Response Regulator Function by Inhibiting Its Dimerization and DNA Binding Activity

P Chauhan, I Datta, A Dhiman, U Shankar… - ACS infectious …, 2022 - ACS Publications
Tuberculosis is recognized as one of the major public health threats worldwide. The DevR–
DevS (DosR/DosS) two-component system is considered a novel drug target in …

Interplay of PhoP and DevR response regulators defines expression of the dormancy regulon in virulent Mycobacterium tuberculosis

A Vashist, V Malhotra, G Sharma, JS Tyagi… - Journal of Biological …, 2018 - jbc.org
The DevR response regulator of Mycobacterium tuberculosis is an established regulator of
the dormancy response in mycobacteria and can also be activated during aerobic growth …

DevR (DosR) mimetic peptides impair transcriptional regulation and survival of Mycobacterium tuberculosis under hypoxia by inhibiting the autokinase activity of …

K Kaur, NK Taneja, S Dhingra, JS Tyagi - BMC microbiology, 2014 - Springer
Background Two-component systems have emerged as compelling targets for antibacterial
drug design for a number of reasons including the distinct histidine phosphorylation property …

DevR (DosR) binding peptide inhibits adaptation of Mycobacterium tuberculosis under hypoxia

S Dhingra, K Kaur, NK Taneja… - FEMS microbiology …, 2012 - academic.oup.com
DevR is a key regulator of the dormancy response in Mycobacterium tuberculosis (M. tb).
Using DevR as bait to screen a phage display library, a peptide, DevRS1, was obtained …

Cognate sensor kinase‐independent activation of Mycobacterium tuberculosis response regulator DevR (DosR) by acetyl phosphate: implications in anti …

S Sharma, P Kumari, A Vashist, C Kumar… - Molecular …, 2019 - Wiley Online Library
Summary The DevRS/DosT two‐component system is essential for mycobacterial survival
under hypoxia, a prevailing stress within granulomas. DevR (also known as DosR) is …

Sustained expression of DevR/DosR during long-term hypoxic culture of Mycobacterium tuberculosis

P Kumari, K Sikri, K Kaur, UD Gupta, JS Tyagi - Tuberculosis, 2017 - Elsevier
DevR/DosR is a key mediator of 'dormancy'adaptation in Mycobacterium tuberculosis in
response to gaseous stresses such as hypoxia that inhibit aerobic mode of respiration. In the …