Articlenpj antimicrobials and resistance2025
Enhanced resistance of metal sequestering agents by reconfiguration of the Staphylococcus aureus cell wall.
Article in npj antimicrobials and resistance, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- EDTA suppresses bacterial perseverance to 2-phenoxyethanol.Microbiology spectrum · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
12 authors.
Funding
Abstract
Chelators possess antibacterial properties linked to metal sequestration, simulating the action of nutritional immunity in preventing infection. To gain further insight into bacterial adaptation to metal restriction, we isolated mutants of Staphylococcus aureus with enhanced resistance to two synthetic chelators with therapeutic potential. Mutations were identified that altered peptidoglycan metabolism and teichoic acid modification, crucially affecting PBP2 and eliminating FmtA or VraF functionality. The resulting strains showed increased cell wall thickness, modified cell surface charge and varied in susceptibility to cell wall-targeting agents. In those mutants lacking either FmtA or VraF, the modifications substantially increased cell surface-associated calcium, offering protection against loss of manganese that was preferentially targeted by both chelators. Our phenotypic and cellular metal analyses identify the cell envelope of S. aureus as a key target for metal sequestering molecules. Peptidoglycan and teichoic acids, in particular, serve as key repositories for a subset of metal ions that safeguard against deprivation and can be altered to augment resistance to antibacterial chelators.
Identifiers
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.