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Article

Coordinate regulation of beta-lactamase induction and peptidoglycan composition by the amp operon.

Science (New York, N.Y.) - 11 Jan 1991

Tuomanen E, Lindquist S, Sande S, Galleni M, Light K, Gage D, Normark S

Abstract excerpt

The amp operon, which is located on the Escherichia coli chromosome, modulates the induction of plasmid-borne beta-lactamase genes by extracellular beta-lactam antibiotics. This suggests that the gene products AmpD and AmpE may function in the transduction of external signals. beta-Lactam antibiotics are analogs of cell wall components that can be released during cell wall morphogenesis of enterobacteria. The amp...

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PMID: 1987637
DOI: 10.1126/science.1987637

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Coordinate regulation of beta-lactamase induction and peptidoglycan composition by the amp operon.PMID 1987637Read ↗

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Genetic basis of induction and overproduction of chromosomal class I beta-lactamase in nonfastidious gram-negative bacilli.Semantic proximity Read ↗

Sequences of wild-type and mutant ampD genes of Citrobacter freundii and Enterobacter cloacae.Semantic proximity Read ↗

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The periplasmic murein peptide-binding protein MppA is a negative regulator of multiple antibiotic resistance in Escherichia coli.Semantic proximity Read ↗

Model system to evaluate the effect of ampD mutations on AmpC-mediated beta-lactam resistance.Semantic proximity Read ↗

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