The significant challenge in confronting TB eradication is the discursive treatment that results in the disease reactivation, patient non compliance and drug resistance. The presently available drug regimen for TB largely targets the active bacilli and thus remains inadequate against the dormant or persistent subpopulation of Mtb that results in latent TB affecting a quarter of the global population. The crucial pathways that are particularly essential for the survival of dormant Mtb demand better apprehension. Novel drugs are needed to specifically address these persisters in order to enhance treatment effectiveness. Among such pathways, the glyoxylate bypass plays a critical role in the persistence and latent infection of Mtb, making it a promising target for drug development in recent years. In this review, we have compiled the attributes of bacterial subpopulations liable for latent TB and the pathways indispensable for their survival. Specifically, we delve into the glyoxylate shunt pathway and its key enzymes as potential drug targets.
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http://dx.doi.org/10.1016/j.ejmech.2023.116058 | DOI Listing |
Bioresour Technol
November 2024
School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China; National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization Technology, Suzhou University of Science and Technology, Suzhou 215009, China.
A high phosphate (P) recovery concentration was achieved in pilot-scale biofilm sequencing batch reactor (BSBR) with a low carbon source (C) cost. Especially, a high-abundance glycogen-accumulating organisms (GAOs) (13.93-31.
View Article and Find Full Text PDFJ Exp Bot
November 2024
Department of Ecology, Environment and Plant Science, Stockholm University, 106 91 Stockholm, Sweden.
Frankia cluster-2 strains are diazotrophs that engage in root nodule symbiosis with actinorhizal plants of the Cucurbitales and the Rosales. Previous studies have shown that an assimilated nitrogen source, presumably arginine, is exported to the host in nodules of Datisca glomerata (Cucurbitales), while a different metabolite is exported in the nodules of Ceanothus thyrsiflorus (Rosales). To investigate if an assimilated nitrogen form is commonly exported to the host by cluster-2 strains, and which metabolite would be exported in Ceanothus, we analysed gene expression levels, metabolite profiles, and enzyme activities in nodules.
View Article and Find Full Text PDFJ Agric Food Chem
October 2024
State Key Laboratory of Microbial Metabolism, School of Life Sciences and Biotechnology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China.
Phenazine-1-carboxamide (PCN) has been exploited as a successful biopesticide due to its broad-spectrum antifungal activity. We engineered a PCN-overproducing strain through overexpressing shikimate pathway genes (, , , and ) and deleting negative regulatory genes (, , and ). The optimized strain produced 1.
View Article and Find Full Text PDFAppl Environ Microbiol
November 2024
School of Marine Sciences, Ningbo University, Ningbo, P. R. China.
NPJ Antimicrob Resist
September 2024
Centre for Bacterial Resistance Biology, Department of Life Sciences, Faculty of Natural Sciences, Imperial College London, London, UK.
Antimicrobial resistance (AMR) is one of the major challenges humans are facing this century. Understanding the mechanisms behind the rise of AMR is therefore crucial to tackling this global threat. The presence of transition metals is one of the growth-limiting factors for both environmental and pathogenic bacteria, and the mechanisms that bacteria use to adapt to and survive under transition metal toxicity resemble those correlated with the rise of AMR.
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