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Article

AmpN-AmpG operon is essential for expression of L1 and L2 beta-lactamases in Stenotrophomonas maltophilia.

Antimicrobial agents and chemotherapy - 1 Jun 2010

Huang Yi-Wei, Lin Cheng-Wen, Hu Rouh-Mei, Lin Yu-Tzu, Chung Tung-Ching, Yang Tsuey-Ching

Abstract excerpt

AmpG is an inner membrane permease which transports products of murein sacculus degradation from the periplasm into the cytosol in Gram-negative bacteria. This process is linked to induction of the chromosomal ampC beta-lactamase gene in some members of the Enterobacteriaceae and in Pseudomonas aeruginosa. In this study, the ampG homologue of Stenotrophomonas maltophilia KJ was analyzed. The ampG homologue and...

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Identifiers

PMID: 20385866
DOI: 10.1128/AAC.01283-09
PMCID: PMC2876420

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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AmpN-AmpG operon is essential for expression of L1 and L2 beta-lactamases in Stenotrophomonas maltophilia.PMID 20385866Read ↗

NagZ-dependent and NagZ-independent mechanisms for β-lactamase expression in Stenotrophomonas maltophilia.Semantic proximity Read ↗

Induction of L1 and L2 beta-lactamase production in Stenotrophomonas maltophilia is dependent on an AmpR-type regulator.Semantic proximity Read ↗

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Inactivation of mrcA gene derepresses the basal-level expression of L1 and L2 β-lactamases in Stenotrophomonas maltophilia.Semantic proximity Read ↗

Involvement of mutation in ampD I, mrcA, and at least one additional gene in β-lactamase hyperproduction in Stenotrophomonas maltophilia.Semantic proximity Read ↗

Role of Low-Molecular-Mass Penicillin-Binding Proteins, NagZ and AmpR in AmpC β-lactamase Regulation of Yersinia enterocolitica.Semantic proximity Read ↗

The signal transducer encoded by ampG is essential for induction of chromosomal AmpC beta-lactamase in Escherichia coli by beta-lactam antibiotics and 'unspecific' inducers.Semantic proximity Read ↗

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