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Xanthomonas campestris pv. campestris expresses a chromosomally encoded class A β-lactamase Bla xc . Basal expression and induction of bla xc require the transcriptional factor AmpR xc and the peptidoglycan-monomers permease AmpG xc . NagZ is a β-GlcNAcase which cleaves GlcNAc–anhMurNAc peptides (peptidoglycan-monomers) to generate anhMurNAc-peptides. In many bacteria,...
The chromosomal ampRXc‐blaXc module is essential for the β‐lactam resistance of Xanthomonas campestris pv. campestris. BlaXc β‐lactamase is expressed at a high basal level in the absence of an inducer and its expression can be further induced by β‐lactam. In enterobacteria, ampG encodes an inner membrane facilitator involved in the recycling of murein degradation compounds. An isogenic ampG mutant...
Molecular modeling and in silico docking experiments were performed in order to study the mechanism of action of AmpC beta-Lactamase repression via AmpR binding of UDP-MurNAc-L-Ala-D-gamma-Glu-Meso-2,6-Diaminopimelete-D-Ala-D-Ala.
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