ArticleNature communications2025
Global dissemination of npmA mediated pan-aminoglycoside resistance via a mobile genetic element in Gram-positive bacteria.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Compendium of RNA modifications for bacterial stress adaptation.Microbiology and molecular biology reviews : MMBR · 2026Review
- Giant transposable elements drive genetic diversification iniScience · 2026Article
- AllTheBacteria: a community resource empowers biology and discovers novel peptide antibiotics.bioRxiv : the preprint server for biology · 2026Article
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Authors and funding
11 authors.
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Abstract
The npmA gene, encoding a 16S rRNA methyltransferase, confers resistance to all clinically available aminoglycosides, posing a significant threat to effective antibiotic therapy. We analyze 1,932,812 bacterial genomes to investigate the distribution and mobilization of npmA variants. npmA is not found in Gram-negative bacteria, where it was originally described, but is identified among Gram-positive bacteria, predominantly as the npmA2 variant in the globally distributed Clostridioides difficile ST11 lineage. We also detect npmA2 in two vancomycin-resistant Enterococcus faecium isolates from a Dutch hospital. Upon sequencing and phenotypic analysis, we determine that E. faecium isolates are pan-resistant to aminoglycosides. Genomic characterization links npmA2 to a composite transposon, Tn7734, which is integrated within a previously uncharacterized Integrative and Conjugative Element (ICE) Tn7740, present in both npmA2-carrying C. difficile and E. faecium clinical isolates. Tn7740-like, but not npmA2, appears across diverse taxa, including human microbiome members. Here, we show that Tn7740 likely facilitates cross-species npmA2 mobilization between these Gram-positive bacteria and emphasize the risk of mobile genetic elements transferring pan-aminoglycoside resistance between clinically important bacterial pathogens.
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