Document Detail

NDM-4 metallo-β-lactamase with increased carbapenemase activity from Escherichia coli.
MedLine Citation:
PMID:  22252797     Owner:  NLM     Status:  MEDLINE    
A clinical Escherichia coli isolate resistant to all β-lactams, including carbapenems, expressed a novel metallo-β-lactamase (MBL), NDM-4, differing from NDM-1 by a single amino acid substitution (Met154Leu). NDM-4 possessed increased hydrolytic activity toward carbapenems and several cephalosporins compared to that of NDM-1. This amino acid substitution was not located in the known active sites of NDM-1, indicating that remote amino acid substitutions might also play a role in the extended activity of this MBL.
Patrice Nordmann; Anne E Boulanger; Laurent Poirel
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-01-17
Journal Detail:
Title:  Antimicrobial agents and chemotherapy     Volume:  56     ISSN:  1098-6596     ISO Abbreviation:  Antimicrob. Agents Chemother.     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-03-19     Completed Date:  2012-06-28     Revised Date:  2013-06-26    
Medline Journal Info:
Nlm Unique ID:  0315061     Medline TA:  Antimicrob Agents Chemother     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2184-6     Citation Subset:  IM    
Service de Bactériologie-Virologie, INSERM U914, Emerging Resistance to Antibiotics, Hôpital de Bicêtre, Assistance Publique/Hôpitaux de Paris, Faculté de Médecine et Université Paris-Sud, Kremlin-Bicêtre, France.
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MeSH Terms
Amino Acid Substitution
Anti-Bacterial Agents / pharmacology
Bacterial Proteins / genetics,  metabolism*
Carbapenems / pharmacology
Cephalosporins / pharmacology
Cloning, Molecular
DNA, Bacterial / genetics
Escherichia coli / drug effects,  enzymology*,  genetics
Microbial Sensitivity Tests
Plasmids / genetics
Polymerase Chain Reaction
Urinary Tract Infections / microbiology
beta-Lactamases / genetics,  metabolism*
Reg. No./Substance:
0/Anti-Bacterial Agents; 0/Bacterial Proteins; 0/Carbapenems; 0/Cephalosporins; 0/DNA, Bacterial; EC lactamase NDM-4, E coli; EC; EC

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