Nucleotide sequence of the ampC-ampR region from the chromosome of Yersinia enterocolitica

Improved tools for biological sequence comparison.

1988 • 11,455 citations

A new method for predicting signal sequence cleavage sites

1986 • 4,629 citations

A large family of bacterial activator proteins.

1988 • 559 citations

ampC cephalosporinase of Escherichia coli K-12 has a different evolutionary origin from that of beta-lactamases of the penicillinase type.

1981 • 384 citations

Genetic and molecular characterization of Tn21, a multiple resistance transposon from R100.1

1982 • 176 citations

Inducible cephalosporinase production in clinical isolates of Enterobacter cloacae is controlled by a regulatory gene that has been deleted from Escherichia coli.

1986 • 172 citations

Chromosomal Cephalosporinases Responsible for Multiple Resistance to Newer β-Lactam Antibiotics

1987 • 168 citations

Binding of the Citrobacter freundii AmpR regulator to a single DNA site provides both autoregulation and activation of the inducible ampC beta-lactamase gene

1989 • 150 citations

Inactivation of the ampD gene causes semiconstitutive overproduction of the inducible Citrobacter freundii beta-lactamase

1987 • 150 citations

ampG is essential for high-level expression of AmpC beta-lactamase in Enterobacter cloacae

1989 • 118 citations

Overlap between ampC and frd operons on the Escherichia coli chromosome.

1982 • 113 citations

Sequence of the Citrobacter freundii OS60 chromosomal ampC beta-lactamase gene

1986 • 89 citations

Purification and mutant analysis of Citrobacter freundii AmpR, the regulator for chromosomal AmpC β‐lactamase

1991 • 76 citations

Nucleotide sequence and comparative analysis of the frd operon encoding the fumarate reductase of Proteus vulgaris

1987 • 66 citations

Bidirectional chain-termination nucleotide sequencing: transposon Tn5seq1 as a mobile source of primer sites

1988 • 60 citations

Comparison of the overlapping frd and ampC operons of Escherichia coli with the corresponding DNA sequences in other gram-negative bacteria

1983 • 56 citations

Nucleotide sequence of a new class A β-lactamase gene from the chromosome of Yersinia enterocolitica: Implications for the evolution of class A β-lactamases

1991 • 48 citations

Cloning of chromosomal β-lactamase genes from Yersinia enterocolitica

1991 • 25 citations