Phenotypic and Genotypic Characterization of Enterobacteriaceae with Decreased Susceptibility to Carbapenems: Results from Large Hospital-Based Surveillance Studies in China

Phenotypic and Genotypic Characterization of Enterobacteriaceae with Decreased Susceptibility to Carbapenems: Results from Large Hospital-Based Surveillance Studies in China Genetic Factors Associated with Elevated Carbapenem Resistance in KPC-Producing Klebsiella pneumoniae Molecular Epidemiology and Mechanisms of Carbapenem Resistance in Pseudomonas aeruginosa Emergence of Serratia marcescens , Klebsiella pneumoniae , and Escherichia coli Isolates Possessing the Plasmid-Mediated Carbapenem-Hydrolyzing β-Lactamase KPC-2 in Intensive Care Units of a Chinese Hospital Plasmid-Encoded Carbapenem-Hydrolyzing β-Lactamase OXA-48 in an Imipenem-Susceptible Klebsiella pneumoniae Strain from Belgium Occurrence of Efflux Mechanism and Cephalosporinase Variant in a Population of Enterobacter aerogenes and Klebsiella pneumoniae Isolates Producing Extended-Spectrum β-Lactamases First Identification of Pseudomonas aeruginosa Isolates Producing a KPC-Type Carbapenem-Hydrolyzing β-Lactamase Full Resistance and Decreased Susceptibility to Carbapenems in IMP-13-Producing Pseudomonas aeruginosa Isolates from an Outbreak Antimicrobial Activities of Tigecycline and Other Broad-Spectrum Antimicrobials Tested against Serine Carbapenemase- and Metallo-β-Lactamase-Producing Enterobacteriaceae : Report from the SENTRY Antimicrobial Surveillance Program Novel Genetic Environment of the Carbapenem-Hydrolyzing β-Lactamase KPC-2 among Enterobacteriaceae in China