Mutations in ampD cause hyperproduction of AmpC and CmcB β-lactamases and high resistance to β-lactam antibiotics in Chromobacterium violaceum

ABSTRACT Bacterial resistance to β-lactam antibiotics mediated by β-lactamase enzymes is widespread worldwide. Chromobacterium violaceum, an environmental Gram-negative bacterial pathogen, is intrinsically resistant to some β-lactam antibiotics. In this work, we found that mutations in an ampD gene,...

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Autori principali:	Luís Gustavo Laranjeiro, Carlos Eduardo M. Neme, Maristela Previato-Mello, Bianca B. Batista, Isabel Henriques, José F. da Silva Neto
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	American Society for Microbiology 2025-08-01
Serie:	Microbiology Spectrum
Soggetti:	Chromobacterium violaceum AmpD amidases β-lactam resistance β-lactamases spontaneous mutants
Accesso online:	https://journals.asm.org/doi/10.1128/spectrum.00916-25
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