Small-scale farming may have large impacts on the selection and spread of antimicrobial
resistance to humans. We conducted an observational study to evaluate antibiotic-resistant …

Aim: This study investigated the occurrence of extended-spectrum beta-lactamase (ESBL)-producing
Escherichia coli in chickens from small-scale (backyard) commercial poultry farms …

… area of β-lactamase inhibitors promise to enable some β-lactamase-mediated resistance
to be overcome. A particular interest is the interactions of β-lactamases with carbapenems, as …

… small EcoRI-PvuI fragment of pTG2 (coding for ,B-lactamase) and an oligonucleotide cassette
connecting the blunt end of the promoter to the EcoRI site in codon 3 of the bla gene. The …

… -lactamase production was firstreported, it is doubtful that laboratories were testing enterococci
with a specific, B-lactamase … to specifically test for, B-lactamase after 1983 but who either …

… to hydrolysis by class B metallo β-lactamases and many class D β-lactamases and has … and
resisted attack by metallo-β-lactamases. BAL 0030072 had a stronger interaction with ESBLs …

… β-lactamases. Although penicillinases in Staphylococcus aureus challenged the initial uses
of penicillin, β-lactamases are … Critical β-lactamases are those enzymes whose genes are …

… Small-scale DNA preparations (4) were digested with BamHI and Sall, and one of the …
To obtain pNU364, we subcloned the smaller SacII-EcoRI fragment ofpNU359 into the vector …

… Extended-spectrum beta-lactamase (ESBL)/ampicillin Class C (AmpC)-producing …
health importance of ESBL/AmpC-beta-lactamase producing E. coli isolated from livestock. …

… To obtain accurate absolute activities, a small scale Pharmacia fast protein liquid chromatography
ion exchange step was utilized to remove some nonprotein UVabsorbing material and …