2Tremblay LW, Fan F, Blanchard JS, et al. Biochemical and structural characterization of Mycobacterium tubercu- losis beta-lactamase with the carbapenems ertapenem and doripenem[J]. Biochemistry, 2010,49 (17) : 3 766.
3Alvarez-Ortega C, Wiegand I, Olivares J, et al. Genetic determinants involved in the susceptibility of Pseudomo- nas aeruginosa to beta-lactam antibiotics[J]. Antimicrobial Agents Chemother, 2010,54(10) : 4 159.
4Ruiz-Martinez L, Lopez-Jimenez L, d' Ostuni V, et al. A mechanism of carbapenem resistance due to a new inser- tion element (ISPa133) in Pseudomonas aeruginosa[J]. Int Microbiol, 2011,14( 1 ) : 51.
5Steinmann J, Kaase M, Gatermann S, et al. Outbreak due to a Klebsiella pneumoniae strain harbouring KPC-2 and VIM-1 in a German university hospital, July 2010 to January 201 l[J]. Euro Surveill, 2011,16(33) : 19 944.
6Hirsch EB, Tam VH. Detection and treatment options for Klebsiella pneumoniae carbapenemases (KPCs) : an em- erging cause of multidrug-resistant infection[J]. J Antimi- crob Chemother, 2010,65(6): 1 119.
7Sohrabi N, Farajnia S, Akhi MT, et al. Prevalence of OXA-type β-lactamases among Acinetobacter baumannii isolates from Northwest of Iran[J]. Microb Drug Resist, 2012,18(4) :385.
8Rodriguez-Martinez JM, Poirel L, Nordmann E Molecu- lar epidemiology and mechanisms of carbapenem resis- tance in Pseudomonas aeruginosa[J]. Antimicrob Agents Chemother, 2009,53(11) :4 783.
9Perez LR, Barth AL. Biofilm production using distinct media and antimicrobial susceptibility profile of Pseudo- monas aeruginosa[J]. Braz Jlnfect Dis, 2011,15(4) : 301.
10Vashist J, Tiwari V, Das R, et al. Analysis of penicil- lin-binding proteins (PBPs) in carbapenem resistant Aci- netobacter baumannii[J]. Indian J Med Res, 2011, 133 : 332.