… Kinetic properties of two plasmid-mediated ,Blactamases from Klebsiella pneumoniae …
lactamase in a clinical isolate of Klebsiella pneumoniae conferring unusual resistance to ,Blactam …

… TEM-related ,-lactamases, which consequently may contain … The pls of extendedspectrum
P-lactamases in the TEM family … the various extended-spectrum P-lactamases (56). The …

… 2b β-lactamases (for example, TEM-1, TEM-2, and SHV-1); the e of 2be denotes that the β-lactamases
have an extended spectrum. … They are not able to hydrolyze extended-spectrum …

… term ‘extended-spectrum b-lactamase’ (ESBL), initially ‘extended-broad-spectrum b-lactamase’…
Novel GES ⁄ IBC extended-spectrum b-lactamase variants with carbapenemase activity in …

… Because the enzyme was active against the expandedspectrum b-lactam … “extendedspectrum
b-lactamases” (ESBLs). To date, there are 1130 TEM-type and 150 SHV-type b-lactamases…

… Secondly, a less commonly encountered group of βlactamases is the metallo lactamases,
or class B lactamases. These use a divalent transition metal ion, most often zinc, linked to a …

… β-Lactamases continue to be the leading cause of resistance to β-lactam antibiotics among
… increased incidence and prevalence of extended-spectrum β-lactamases (ESBLs), enzymes …

… Extended-spectrum beta-lactamases (ESBLs) have now … , especially exposure to
extended-spectrum beta-lactam agents. … spread of extended-spectrum beta-lactamases among …

… PER-1 extendedspectrum b-lactamase production in an Alcaligenes faecalis clinical
isolate resistant to expanded-spectrum cephalosporins and monobactams from a hospital in …

… -mediated beta-lactamases confer resistance to broad-spectrum beta-lactam antibiotics,
including third-and fourth-generation cephalosporins, aztreonam, and extended-spectrum …