ReviewCurrent opinion in microbiology2026
Mutations in RNA polymerase that drive the emergence of antibiotic resistance.
Review in Current opinion in microbiology, 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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Abstract
RNA polymerase (RNAP) catalyzes transcription, the first step of gene expression. In bacteria, numerous regulatory proteins and signaling molecules fine-tune RNAP activity in a promoter-specific manner. The resultant changes in gene expression allow cells to acclimate to an ever-changing environment. In addition to phenotypic adaptation, increases in cell fitness can also result from changes in the genome. Here, we explore how mutations in RNAP structural genes benefit cells under diverse selection pressures, with a focus on antibiotics. Selection for resistance to rifampicin (RIF), an antibiotic that binds near the catalytic center of RNAP, leads almost exclusively to amino acid substitutions in the large β subunit that modify the RIF binding site. RIF
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