Nucleotide sequence and mutagenesis of the nifA gene from Azotobacter vinelandii

High resolution two-dimensional electrophoresis of proteins.

1975 • 19,515 citations

Upstream activator sequences are present in the promoters of nitrogen fixation genes

1986 • 293 citations

Formation of the nitrogen-fixing enzyme system in Azotobacter vinelandii

1968 • 293 citations

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

1986 • 283 citations

Evidence for an alternative nitrogen fixation system in Azotobacter vinelandii.

1980 • 251 citations

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

1987 • 192 citations

Nucleotide sequence and genetic analysis of the nifB-nifQ region from Azotobacter vinelandii

1988 • 182 citations

Products of the iron-molybdenum cofactor-specific biosynthetic genes, nifE and nifN, are structurally homologous to the products of the nitrogenase molybdenum-iron protein genes, nifD and nifK

1987 • 172 citations

Complete nucleotide sequence of the Azotobacter vinelandii nitrogenase structural gene cluster

1985 • 163 citations

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

1985 • 160 citations

Nitrogenase. III. Nitrogenaseless mutants of Azotobacter vinelandii: Activities, cross-reactions and epr spectra

1973 • 140 citations

Optimal conditions for transformation of Azotobacter vinelandii

1979 • 129 citations

Regulation of nitrogen metabolism in Azotobacter vinelandii: isolation of ntr and glnA genes and construction of ntr mutants.

1986 • 119 citations

The nifH, nifM and nifN genes of Azotobacter vinelandii: Characterisation by Tn5 mutagenesis and isolation from pLAFR1 gene banks

1986 • 109 citations

The pleiotropic nature of symbiotic regulatory mutants: Bradyrhizobium japonicum nifA gene is involved in control of nif gene expression and formation of determinate symbiosis

1986 • 105 citations

Activity, reconstitution, and accumulation of nitrogenase components in Azotobacter vinelandii mutant strains containing defined deletions within the nitrogenase structural gene cluster

1986 • 94 citations

Genetic analysis of Azotobacter vinelandii mutant strains unable to fix nitrogen

1977 • 93 citations

The symbiotic nitrogen fixation regulatory operon (fixRnifA) ofBradyrhizobium japonicumis expressed aerobically and is subject to a novel,nifA-independent type of activation

1987 • 87 citations

Activation of nif gene expression in Azotobacter by the nifA gene product of Klebsiella pneumoniae

1983 • 76 citations

The nucleotide sequence of the sigma factor gene ntrA (rpoN) of Azotobacter vinelandii: Analysis of conserved sequences in NtrA proteins

1987 • 74 citations

Isolation, sequencing, and mutagenesis of the nifF gene encoding flavodoxin from Azotobacter vinelandii.

1988 • 71 citations

Sequence of nifL from Klebsiella pneumoniae: mode of action and relationship to two families of regulatory proteins

1987 • 70 citations

Expression and functional analysis of the Rhizobium meliloti nif A gene

1988 • 69 citations

Conservation of structure and location of Rhizobium meliloti and Klebsiella pneumoniae nifB genes

1987 • 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

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

Azotobacter vinelandii nifD- and nifE -encoded polypeptides share structural homology

1985 • 58 citations

Comparative organization of nitrogen fixation-specific genes from Azotobacter vinelandii and Klebsiella pneumoniae: DNA sequence of the nifUSV genes

1987 • 56 citations

Identification and Characterization of two nitrogen fixation regulatory regions, nifA and nfrX, in Azotobacter vinelandii and Azotobacter chroococcum

1988 • 53 citations

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

1987 • 51 citations

Mapping and expression of a regulatory nitrogen fixation gene (fix D) of Rhizobium meliloti

1985 • 49 citations

The nucleotide sequence of the nifM gene of Klebsiella pneumoniae and identification of a new nif gene: nifZ

1987 • 24 citations

Nucleotide sequence of the nifLA operon of Klebsiella oxytoca NG13 and characterization of the gene products

1986 • 23 citations