Conservation of Putative Liquid-Liquid Phase Separating Proteins in Multiple Drug-Resistant Mycobacterium tuberculosis: Role in Host-Pathogen Interactions?

IF 4 2区 医学 Q2 CHEMISTRY, MEDICINAL
Jasdeep Singh, Prashant Pradhan, Arti Kataria, Sanjeev Sinha, Nasreen Z Ehtesham, Peter N Monk, Seyed E Hasnain
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引用次数: 0

Abstract

We observed a high proportion of proteins in pathogenic Mycobacterium species that can potentially undergo liquid-liquid phase separation (LLPS) mediated biomolecular condensate formation, compared to nonpathogenic species. These proteins mainly include the PE-PPE and PE-PGRS families of proteins that have nucleic acid and protein-protein binding functions, typical of LLPS proteins. We also mapped identified LLPS proteins in M. tuberculosis (M.tb) drug-resistant databases PubMLST and TBProfiler, based upon the WHO 2023 catalogue of resistance-associated mutations. High sequence conservation of LLPS-associated proteins in various multiple drug-resistant M.tb isolates points to their potentially important role in virulence and host-pathogen interactions during pathogenic evolution. This analysis provides a perspective on the role of protein phase separation in the evaluation of M.tb pathogenesis and offers avenues for future research aimed at developing innovative strategies to combat M.tb infection.

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来源期刊
ACS Infectious Diseases
ACS Infectious Diseases CHEMISTRY, MEDICINALINFECTIOUS DISEASES&nb-INFECTIOUS DISEASES
CiteScore
9.70
自引率
3.80%
发文量
213
期刊介绍: ACS Infectious Diseases will be the first journal to highlight chemistry and its role in this multidisciplinary and collaborative research area. The journal will cover a diverse array of topics including, but not limited to: * Discovery and development of new antimicrobial agents — identified through target- or phenotypic-based approaches as well as compounds that induce synergy with antimicrobials. * Characterization and validation of drug target or pathways — use of single target and genome-wide knockdown and knockouts, biochemical studies, structural biology, new technologies to facilitate characterization and prioritization of potential drug targets. * Mechanism of drug resistance — fundamental research that advances our understanding of resistance; strategies to prevent resistance. * Mechanisms of action — use of genetic, metabolomic, and activity- and affinity-based protein profiling to elucidate the mechanism of action of clinical and experimental antimicrobial agents. * Host-pathogen interactions — tools for studying host-pathogen interactions, cellular biochemistry of hosts and pathogens, and molecular interactions of pathogens with host microbiota. * Small molecule vaccine adjuvants for infectious disease. * Viral and bacterial biochemistry and molecular biology.
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