2Poirel L,Herifier C,Podglajen I,et al . Emergence in Klebsiella pneumoniae of a chromosome-encoded SHV β-lactamase that compromises the efficacy of imipenem[J]. Antimicrob Agents Chemother,2003,47(2) :755-758.
3Majiduddin FK,Palzkill T. Amino acid sequence requirements at residues 69 and 238 for the SME-1 β-lactamase to confer resistance to β-lactam antibiotics [J] . Antimlcrob Agents Chemother,2003,47(3) : 1062-1067.
4Majiduddin FK,Palzkill T. Amino acid residues that contribute to substrate specificity of class A β-lactamase SME-1 [J ]. Antimicrob Agents Chemother, 2005,49(8 ) : 3421-3427.
5Wachino J,Doi Y,Yamane K,et al. Molecular characterization of a cephamycin-hydrolyzing and inhibitor-resistant class A β-lactamase, GES-4,possessing a single G170S substitution in the Ω-loop[J]. Antimicrob Agents Chemother,2004,48(8): 2905-2910.
6Dubois V,Poirel L,Marie C et al . Molecular characterization of a novel class 1 integron containing bla (GES-1) and a fused product of aac3-Ib/aac6 '-Ib' gene cassettes in Pseudomonas aeruginosa[J] . Antimicrob Agents Chemother, 2002,46(3 ) : 638-645.
7Queenan AM,Shang W,Schreekenberger P,et al . SME-3,a novel member of the Serratia marcescens SME family of ca.rbapenem-hydrolyzing β-lactamases [J] .Antimicrob Agents Chemother,2006,50 (10) : 3485-3487.
8Yu YS,Du XX,Zhou ZH,et al . First isolation of bla[M]-2 in an Enterobacter cloacae clinical isolate from China [J] . Antimicrob Agents Chemother,2006,50(4): 1610-1611.
9Radice M,Power P, Gutkind G, et al . First class a carbapenemase isolated from Enterobacteriaceae in Argentina [J] . Antimicrob Agents Chemother, 2004,48 ( 3 ) : 1068-1069.
10Pottumarthy S, Moland ES,Juretschko S, et al. NmcA carbapenem-hydrolyzing enzyme in Enterobacter cloacae in North America [J] . Emerg Infect Dis,2003,9(8): 999-1002.
