NifA-dependent in vivo protection demonstrates that the upstream activator sequence of nif promoters is a protein binding site.

Products of nitrogen regulatory genes ntrA and ntrC of enteric bacteria activate glnA transcription in vitro: evidence that the ntrA product is a sigma factor.

1985 • 352 citations

REGULATION OF NITROGEN FIXATION GENES

1986 • 345 citations

Transcription of glnA by purified Escherichia coli components: core RNA polymerase and the products of glnF, glnG, and glnL.

1985 • 335 citations

Sequence and domain relationships of ntrC and nifA from Klebsiella pneumoniae: homologies to other regulatory proteins.

1986 • 283 citations

RNA polymerase and the regulation of transcription

1987 • 256 citations

Initiation of transcription at the bacterial glnAp2 promoter by purified E. coli components is facilitated by enhancers

1987 • 254 citations

The Nitrogen and Sulphur Cycles.

1988 • 208 citations

Deduced products of C4-dicarboxylate transport regulatory genes ofRhizobiumleguminosarum are homologous to nitrogen regulatory gene products

1987 • 192 citations

DNA-binding site of lac repressor probed by dimethylsulfate methylation of lac operator

1979 • 177 citations

Essential and non-essential domains in theBradyrhizobium japonicumNifA protein: identification of indispensable cysteine residues potentially involved in redox reactivity and/or metal binding

1988 • 163 citations

Nitrogen fixation specific regulatory genes ofKlebsiella pneumoniaeandRhizobium melilotishare homology with the general nitrogen regulatory genentrCofK. pneumoniae

1985 • 160 citations

Contacts between Escherichia coli RNA polymerase and a lac operon promoter.

1978 • 148 citations

Nitrogen regulation in Salmonella typhimurium. Identification of an ntrC protein-binding site and definition of a consensus binding sequence.

1985 • 116 citations

Involvement of the ntrA gene product in the anaerobic metabolism of Escherichia coli

1987 • 116 citations

Transcriptional activation of the Klebsiella pneumoniae nitrogenase promoter may involve DNA loop formation

1987 • 104 citations

Protein structure, folding and design

1985 • 93 citations

The products of glnL and glnG are bifunctional regulatory proteins

1982 • 85 citations

Overproduction of phage Lambda repressor under control of the lac promotor of Escherichia coli

1976 • 75 citations

Site-directed mutagenesis of theKlebsiella pneumoniae nifLandnifHpromoters andin vivoanalysis of promoter activity

1985 • 71 citations

The role of activator binding sites in transcriptional control of the divergently transcribed nifF and nif LA promoters from Klebsiella pneumoniae

1988 • 70 citations

Deletion analysis of the Klebsiella pneumoniae nitrogenase promoter: importance of spacing between conserved sequences around positions -12 and -24 for activation by the nifA and ntrC (glnG) products

1986 • 65 citations

High-resolution analysis of lac transcription complexes inside cells

1986 • 61 citations

Requirements for transcriptional activation in vitro of the nitrogen‐regulated gInA and nifLA promoters from Klebsiella pneumoniae: dependence on activator concentration

1987 • 61 citations

The effect on the function of the transcriptional activator NtrC fromKlebsiella pneumoniaeof mutations in the DNA-recognition helix

1988 • 60 citations

Organization and partial sequence of a DNA region of theRhizobium leguminosarumsymbiotic plasmid pRL6JI containing the genesfixABC,nifA,nifB and a novel open reading frame

1987 • 60 citations

Nucleotide sequence and mutagenesis of the nifA gene from Azotobacter vinelandii

1988 • 53 citations

In vitro transcription of the nitrogen fixation regulatory operon nifLA of Klebsiella pneumoniae

1987 • 51 citations

Interaction of purified NtrC protein with nitrogen regulated promoters from Klebsiella pneumoniae

1985 • 49 citations

Over-production and Characterization of the nifA Gene Product of Klebsiella pneumoniae -- the Transcriptional Activator of nif Gene Expression

1988 • 46 citations

Mutations affecting regulation of the Klebsiella pneumoniae nifH (nitrogenase reductase) promotor

1984 • 41 citations

Mutations that create new promoters suppress the sigma 54 dependence of glnA transcription in Escherichia coli

1987 • 39 citations

Mutational analysis of upstream sequences required for transcriptional activation of theKlebsiella pneumoniae nifHpromoter

1987 • 30 citations

An open reading frame upstream from thenifHgene ofKlebsiella pneumoniae

1983 • 27 citations