Overproduction of a low-affinity penicillin-binding protein and high-level ampicillin resistance in Enterococcus faecium

Transferable beta-lactamase. A new mechanism for in vitro penicillin resistance in Streptococcus faecalis.

1983 • 256 citations

Rapid Dissemination of β-Lactamase–Producing, Aminoglycoside-ResistantEnterococcus faecalisamong Patients and Staff on an Infant–Toddler Surgical Ward

1990 • 213 citations

Identification of a streptococcal penicillin-binding protein that reacts very slowly with penicillin

1983 • 162 citations

One or Two Low Affinity Penicillin-binding Proteins May Be Responsible for the Range of Susceptibility of Enterococcus faecium to Benzylpenicillin

1985 • 153 citations

Transition from resistance to hypersusceptibility to beta-lactam antibiotics associated with loss of a low-affinity penicillin-binding protein in a Streptococcus faecium mutant highly resistant to penicillin

1985 • 101 citations

The Enterococcus hirae R40 penicillin-binding protein 5 and the methicillin-resistant Staphylococcus aureus penicillin-binding protein 2′ are similar

1991 • 65 citations

Identification of a genetic element (psr) which negatively controls expression of Enterococcus hirae penicillin-binding protein 5

1993 • 57 citations

Overproduction of a penicillin-binding protein is not the only mechanism of penicillin resistance in Enterococcus faecium

1992 • 56 citations

Identification of the lethal target of benzylpenicillin in Streptococcus faecalis by in vivo penicillin binding studies

1980 • 43 citations

Modification of penicillin-binding proteins of penicillin-resistant mutants of different species of enterococci

1990 • 40 citations

In Streptococcus faecium Penicillin-binding Protein 5 Alone Is Sufficient for Growth at Sub-maximal But Not at Maximal Rate

1986 • 39 citations

Streptococcus faecium mutants that are temperature sensitive for cell growth and show alterations in penicillin-binding proteins

1987 • 32 citations

Streptococcus faecium ATCC 9790 penicillin-binding proteins and penicillin sensitivity are heavily influenced by growth conditions: proposal for an indirect mechanism of growth inhibition by beta-lactams

1983 • 27 citations

Bacteriostatic and bactericidal activities of beta-lactams against Streptococcus (Enterococcus) faecium are associated with saturation of different penicillin-binding proteins

1987 • 26 citations

Correlation of penicillin-induced lysis of Enterococcus faecium with saturation of essential penicillin-binding proteins and release of lipoteichoic acid

1990 • 16 citations

Characterization of penicillin-resistantStreptococcus faeciummutants

1984 • 15 citations

Detection of penicillin-binding proteins immunologically related to penicillin-binding protein 5 ofEnterococcus hiraeATCC 9790 inEnterococcus faeciumandEnterococcus faecalis

1991 • 13 citations

Isolation of three strains of beta-lactamase-producingEnterococcus faecalis in Argentina

1990 • 13 citations