ArticleNature communications2026
Activation of L-histidine biosynthesis as a new antibiotic strategy against Mycobacterium tuberculosis.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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13 authors.
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Abstract
The increasing prevalence of antimicrobial resistance is an important challenge that warrants new approaches to antibiotic development. Currently, all antibiotics inhibit biological processes. To explore whether activation of a biochemical pathway can elicit bactericidal effects we engineered variants of Mycobacterium tuberculosis ATP-phosphoribosyltransferase (ATP-PRT) that are resistant to allosteric inhibition by L-histidine, leading to supraphysiological activation of ATP-PRT and L-histidine overproduction. Upregulation of L-histidine biosynthesis significantly reduces the growth of M. tuberculosis in culture and causes a loss of fitness owing to nutrient and energy depletion. Moreover, the expression of allosteric variants in M. tuberculosis significantly reduced infections in human macrophages and in a mouse model of infection. Thus, metabolic activation represents a new mycobactericidal mechanism that could be applied to antimycobacterial drug discovery.
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