Patterns and mechanisms of beta-lactam resistance among isolates of Escherichia coli from hospitals in the United States

A rapid alkaline extraction procedure for screening recombinant plasmid DNA

1979 • 15,511 citations

Evolution of plasmid-coded resistance to broad-spectrum cephalosporins

1985 • 421 citations

Plasmid-mediated β-lactamases of Gram-negative bacteria: properties and distribution

1979 • 227 citations

Plasmid-Mediated Resistance to Third-Generation Cephalosporins Caused by Point Mutations in TEM-Type Penicillinase Genes

1988 • 172 citations

Dissemination of the novel plasmid-mediated beta-lactamase CTX-1, which confers resistance to broad-spectrum cephalosporins, and its inhibition by beta-lactamase inhibitors

1988 • 118 citations

Novel plasmid-mediated beta-lactamase in clinical isolates of Klebsiella pneumoniae more resistant to ceftazidime than to other broad-spectrum cephalosporins

1988 • 104 citations

Escherichia coliK-12 Mutants Hyperproducing Chromosomal Beta-Lactamase by Gene Repetitions

1977 • 91 citations

Resistance to ticarcillin-potassium clavulanate among clinical isolates of the family Enterobacteriaceae: role of PSE-1 beta-lactamase and high levels of TEM-1 and SHV-1 and problems with false susceptibility in disk diffusion tests

1988 • 88 citations

Characterization of beta-lactamases in situ on polyacrylamide gels

1986 • 85 citations

beta-Lactamases and beta-lactam resistance in Escherichia coli

1985 • 56 citations

Beta-lactam resistance in clinical isolates of Escherichia coli caused by elevated production of the ampC-mediated chromosomal beta-lactamase

1979 • 55 citations

Detection of .BETA.-lactamase production by gram-negative bacteria.

1976 • 50 citations

Detection of plasmid-mediated beta-lactamases with DNA probes

1988 • 48 citations

A gene probe for TEM type beta-lactamases

1985 • 47 citations

Development of natural and synthetic DNA probes for OXA-2 and TEM-1 beta-lactamases

1987 • 25 citations

Molecular hybridization versus isoelectric focusing to determine TEM-type beta-lactamases in gram-negative bacteria

1987 • 24 citations

Plasmid-Determined Beta-Lactamases

1989 • 20 citations

Effects of beta-lactamases and omp mutation on susceptibility to beta-lactam antibiotics in Escherichia coli

1989 • 20 citations

Susceptibility of new β-lactams to the expanded-spectrum β-lactamase CTX-1

1989 • 14 citations

Evaluation of plasmid-encoded beta-lactamase resistance inEscherichia coli blood culture isolates

1988 • 8 citations

Resistance to Beta-Lactams in Enterobacteriaceae: Distribution of Phenotypes Related to Beta-Lactamase Production

1986 • 7 citations

Mechanisms of aminoglycoside resistance among β-lactam-resistant Escherichia coli in the United States

1987 • 4 citations

Deleted Work

1955 • 0 citations