Relation of R Factor and Chromosomal β-Lactamase with the Periplasmic Space

MUTANTS OF ESCHERICHIA COLI REQUIRING METHIONINE OR VITAMIN B ₁₂

1950 • 2,926 citations

The Release of Enzymes from Escherichia coli by Osmotic Shock and during the Formation of Spheroplasts

1965 • 1,490 citations

The Release of Enzymes by Osmotic Shock from Escherichia coli in Exponential Phase

1966 • 672 citations

Penicillinase Synthesis Controlled By Infectious R Factors In Enterobacteriaceae

1965 • 555 citations

Release of lipopolysaccharide by EDTA treatment of E., coli

1965 • 456 citations

Molecular Sieving by theBacillus megateriumCell Wall and Protoplast

1971 • 398 citations

Selective Release of Enzymes from Bacteria

1967 • 303 citations

Physical, Chemical, and Immunological Properties of Lipopolysaccharide Released from Escherichia coli by Ethylenediaminetetraacetate

1968 • 276 citations

Circular R-Factor Molecules Controlling Penicillinase Synthesis, Replicating in Escherichia coli Under Either Relaxed or Stringent Control

1970 • 250 citations

The localization of alkaline phosphatase in E., coli K12

1961 • 217 citations

Molecular nature of the drug-resistance factors of the enterobacteriaceae

1966 • 177 citations

The relation of resistance transfer factors to the F-factor (sex-factor) ofEscherichia coliK12

1966 • 163 citations

On the surface localization of enzymes in E.coli

1964 • 152 citations

Release of Surface Enzymes in Enterobacteriaceae by Osmotic Shock

1967 • 112 citations

Resistance of Escherichia coli to Penicillins VI. Purification and Characterization of the Chromosomally Mediated Penicillinase Present in ampA -Containing Strains

1970 • 106 citations

Ampicillin-Resistant Mutants ofEscherichia coliK-12 with Lipopolysaccharide Alterations Affecting Mating Ability and Susceptibility to Sex-Specific Bacteriophages

1971 • 103 citations

Variant of Penicillinase Mediated by an R Factor in Escherichia coli

1970 • 79 citations

Some Observations on Linkage Effects in Genetic Recombination in Escherichia coli K-12

1954 • 72 citations

The purification and properties of the β-lactamase specified by the resistance factor R-1818 in Escherichia coli and Proteus mirabilis

1971 • 71 citations

R-factor Gene Expression in Gram-negative Bacteria

1969 • 69 citations

Interaction of Cephaloridine with Penicillinase-Producing Gram-Negative Bacteria

1965 • 65 citations

The Biochemistry and Function of β‐Lactamase (Penicillinase)

1966 • 61 citations

Penicillinase and Ampicillin Resistance in a Strain of Escherichia coli

1963 • 56 citations

Resistance of Escherichia coli to Penicillins I. Genetic Study of Some Ampicillin-Resistant Mutants

1965 • 55 citations

Resistance ofEscherichia colito penicillins: IV. Genetic study of mutants resistant to D, L-ampicillin concentrations of 100 μg/ml.

1968 • 55 citations

The Role of Tris in EDTA Toxicity and Lysozyme Lysis

1967 • 51 citations

Differences between Pencillinases from Gram-Positive and Gram-Negative Bacteria

1963 • 49 citations

Penicillinase from Klebsiella aerogenes. A comparison with penicillinases from gram-positive species

1963 • 47 citations

Release of Lipopolysaccharide in Escherichia coli Resistant to the Permeability Increase Induced by Ethylenediaminetetraacetate

1970 • 47 citations

Bacterial resistance to penicillins and cephalosporins

1969 • 47 citations

The surface localization of penicillinases in Escherichiacoli and Salmonellatyphimurium

1968 • 46 citations

Resistance of Escherichia coli to Penicillins VII. Purification and Characterization of a Penicillinase Mediated by the R Factor R1

1970 • 45 citations

TRANSFER OF EPISOMIC ELEMENTS TO PROTEUS II. <scp> Nature of lac ⁺ Proteus Strains Isolated From Clinical Specimens </scp>

1964 • 42 citations

Effect of Ethylenediaminetetraacetic Acid-Tris(hydroxymethyl)aminomethane on Release of the Acid-soluble Nucleotide Pool and on Breakdown of Ribosomal Ribonucleic Acid in Escherichia coli

1967 • 42 citations

Effect of EDTA upon bacterial permeability to benzylpenicillin

1965 • 41 citations

Purification and characterization of penicillinases from Salmonella typhimurium and Escherichia coli

1970 • 40 citations

Characterization of the β-lactamase specified by the resistance factor R-1818 in Escherichia coli K12 and other Gram-negative bacteria

1971 • 33 citations

Penicillinases from Gram-Positive and Gram-Negative Bacteria: A Thermodynamic Difference

1963 • 28 citations

Some relationships between R-factor and chromosomal β-lactamase in Gram-negative bacteria

1971 • 24 citations

“Periplasmic” Location of a β-Lactamase Specified Either by a Plasmid or a Chromosomal Gene in Escherichia coli

1972 • 15 citations

Classification and Nomenclature of Enzymes and Coenzymes

1962 • 12 citations

Relation of Lipopolysaccharide and Fatty Acid Ester Release to the Ethylenediaminetetraacetic Acid Alteration of Permeability in Enterobacteriaceae

1970 • 12 citations