Penicillin-binding proteins and induction of AmpC beta-lactamase. 1997

C C Sanders, and P A Bradford, and A F Ehrhardt, and K Bush, and K D Young, and T A Henderson, and W E Sanders
Center for Research in Anti-Infectives and Biotechnology, Department of Medical Microbiology, Creighton University School of Medicine, Omaha, Nebraska 68178, USA.

In competition assays for radiolabeled penicillin, penicillin-binding proteins (PBPs) 4, 7a, and 7b showed very high affinities for strong inducers of AmpC beta-lactamase. Loss of PBP 4 resulted in diminished inducibility. This suggests that if PBPs are involved in induction of AmpC beta-lactamase, there is probably a redundancy in function among the different PBPs.

UI MeSH Term Description Entries
D010458 Peptidyl Transferases Acyltransferases that use AMINO ACYL TRNA as the amino acid donor in formation of a peptide bond. There are ribosomal and non-ribosomal peptidyltransferases. Peptidyl Transferase,Peptidyl Translocase,Peptidyl Translocases,Peptidyltransferase,Transpeptidase,Transpeptidases,Peptidyltransferases,Transferase, Peptidyl,Transferases, Peptidyl,Translocase, Peptidyl,Translocases, Peptidyl
D002267 Muramoylpentapeptide Carboxypeptidase Enzyme which catalyzes the peptide cross-linking of nascent CELL WALL; PEPTIDOGLYCAN. Carboxypeptidase Transpeptidase,Carboxypeptidase, Muramoylpentapeptide,Transpeptidase, Carboxypeptidase
D002352 Carrier Proteins Proteins that bind or transport specific substances in the blood, within the cell, or across cell membranes. Binding Proteins,Carrier Protein,Transport Protein,Transport Proteins,Binding Protein,Protein, Carrier,Proteins, Carrier
D004790 Enzyme Induction An increase in the rate of synthesis of an enzyme due to the presence of an inducer which acts to derepress the gene responsible for enzyme synthesis. Induction, Enzyme
D004926 Escherichia coli A species of gram-negative, facultatively anaerobic, rod-shaped bacteria (GRAM-NEGATIVE FACULTATIVELY ANAEROBIC RODS) commonly found in the lower part of the intestine of warm-blooded animals. It is usually nonpathogenic, but some strains are known to produce DIARRHEA and pyogenic infections. Pathogenic strains (virotypes) are classified by their specific pathogenic mechanisms such as toxins (ENTEROTOXIGENIC ESCHERICHIA COLI), etc. Alkalescens-Dispar Group,Bacillus coli,Bacterium coli,Bacterium coli commune,Diffusely Adherent Escherichia coli,E coli,EAggEC,Enteroaggregative Escherichia coli,Enterococcus coli,Diffusely Adherent E. coli,Enteroaggregative E. coli,Enteroinvasive E. coli,Enteroinvasive Escherichia coli
D006602 Hexosyltransferases Enzymes that catalyze the transfer of hexose groups. EC 2.4.1.-.
D001426 Bacterial Proteins Proteins found in any species of bacterium. Bacterial Gene Products,Bacterial Gene Proteins,Gene Products, Bacterial,Bacterial Gene Product,Bacterial Gene Protein,Bacterial Protein,Gene Product, Bacterial,Gene Protein, Bacterial,Gene Proteins, Bacterial,Protein, Bacterial,Proteins, Bacterial
D001618 beta-Lactamases Enzymes found in many bacteria which catalyze the hydrolysis of the amide bond in the beta-lactam ring. Well known antibiotics destroyed by these enzymes are penicillins and cephalosporins. beta-Lactamase,beta Lactamase,beta Lactamases
D046915 Penicillin-Binding Proteins Bacterial proteins that share the property of binding irreversibly to PENICILLINS and other ANTIBACTERIAL AGENTS derived from LACTAMS. The penicillin-binding proteins are primarily enzymes involved in CELL WALL biosynthesis including MURAMOYLPENTAPEPTIDE CARBOXYPEPTIDASE; PEPTIDE SYNTHASES; TRANSPEPTIDASES; and HEXOSYLTRANSFERASES. Penicillin-Binding Protein,Penicillin-Binding Protein 1,Penicillin-Binding Protein 1A,Penicillin-Binding Protein 1b,Penicillin-Binding Protein 2,Penicillin-Binding Protein 2a,Penicillin-Binding Protein 2b,Penicillin-Binding Protein 3,Penicillin-Binding Protein 4,Penicillin-Binding Protein 5,Penicillin-Binding Protein 6,Penicillin-Binding Protein 7,Penicillin-Binding Protein-2a,Peptidoglycan Synthetase,Penicillin Binding Protein,Penicillin Binding Protein 1,Penicillin Binding Protein 1A,Penicillin Binding Protein 1b,Penicillin Binding Protein 2,Penicillin Binding Protein 2a,Penicillin Binding Protein 2b,Penicillin Binding Protein 3,Penicillin Binding Protein 4,Penicillin Binding Protein 5,Penicillin Binding Protein 6,Penicillin Binding Protein 7,Penicillin Binding Proteins,Protein 1A, Penicillin-Binding,Protein 1b, Penicillin-Binding,Proteins, Penicillin-Binding,Synthetase, Peptidoglycan

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