PMID:7007327
| Citation |
Schmidt, LS, Botta, G and Park, JT (1981) Effects of furazlocillin, a beta-lactam antibiotic which binds selectively to penicillin-binding protein 3, on Escherichia coli mutants deficient in other penicillin-binding proteins. J. Bacteriol. 145:632-7 |
|---|---|
| Abstract |
Furazlocillin binds selectively to penicillin-binding protein 3 (PBP-3), prevents septation of Escherichia coli, and allows the cells to form long filaments without lysis. The effect of furazlocillin on the morphology, autolysis, and murein synthesis of E. coli mutants deficient in either PBP-1A, PBP-1Bs, or PBP-2 was studied. The results reveal that PBP-1A and PBP-1Bs functions are not equivalent since furazlocillin affects the morphology, autolysis, and murein synthesis of PBP1A- mutants quite differently from that of PBP-1Bs mutants. Different "PBP-2-" mutants were found to respond to furazlocillin in dramatically different ways: strain LS-1 cells formed elongated rods with a central bulge which eventually lysed, whereas SP6 cells formed stable "barbells" in which the two daughter cells were well separated but remained connected by a thick central region. |
| Links | |
| Keywords |
Azlocillin/analogs & derivatives; Bacterial Proteins; Carrier Proteins/physiology; Escherichia coli/cytology; Escherichia coli/drug effects; Escherichia coli/physiology; Escherichia coli Proteins; Hexosyltransferases; Imidazolidines; Muramoylpentapeptide Carboxypeptidase; Mutation; Penicillin-Binding Proteins; Penicillins/pharmacology; Penicillins/physiology; Peptidoglycan/biosynthesis; Peptidoglycan Glycosyltransferase; Peptidyl Transferases |
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