ArticlePloS one2025
Epigenetic background of lineage-specific gene expression landscapes of four Staphylococcus aureus hospital isolates.
Article in PloS one, 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.
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Who cites it
1 citing paper in PubMed.
- Epigenetic regulation and antimicrobial resistance: functional roles of DNA methylation.FEMS microbiology reviews · 2026Review
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacteria with similar genomes can exhibit different phenotypes due to alternative gene expression patterns. In this study, we analysed four antibiotic-resistant Staphylococcus aureus hospital isolates using transcriptomics, PacBio genome sequencing, and methylomics analyses. Transcriptomic data were obtained from cultures exposed to gentamicin, the iodine-alanine complex CC-196, and their combination. We observed strain-specific expression patterns of core and accessory genes that remained stable under antimicrobial stress - a phenomenon we term the Clonal Gene Expression Stability (CGES) that is the main discovery of the paper. An involvement of epigenetic mechanisms in stabilization of the CGES was hypothesized and statistically verified. Canonical methylation patterns controlled by type I restriction-modification systems accounted for ~ 10% of epigenetically modified adenine residues, whereas multiple non-canonically modified adenines were distributed sporadically due to imperfect DNA targeting by methyltransferases. Protein-coding sequences were characterized by a significantly lower frequency of modified nucleotides. Epigenetic modifications near transcription start codons showed a statistically significant negative association with gene expression levels. While the role of epigenetic modifications in gene regulation remains debatable, variations in non-canonical modification patterns may serve as markers of CGES.
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