Cloning of the symbiotic region of Rhizobium leguminosarum : the nodulation genes are between the nitrogenase genes and a nifA -like gene

Detection of specific sequences among DNA fragments separated by gel electrophoresis

1975 • 33,059 citations

Labeling deoxyribonucleic acid to high specific activity in vitro by nick translation with DNA polymerase I

1977 • 12,015 citations

Colony hybridization: a method for the isolation of cloned DNAs that contain a specific gene.

1975 • 3,483 citations

R Factor Transfer in Rhizobium leguminosarum

1974 • 2,144 citations

SUPERCOILED CIRCULAR DNA-PROTEIN COMPLEX IN Escherichia coli : PURIFICATION AND INDUCED CONVERSION TO AN OPEN CIRCULAR DNA FORM

1969 • 1,847 citations

Construction of a broad host range cosmid cloning vector and its use in the genetic analysis of Rhizobium mutants

1982 • 857 citations

Lambdoid phages that simplify the recovery of in vitro recombinants

1977 • 779 citations

Current Perspectives in Nitrogen Fixation

1982 • 587 citations

[19] In Vitro packaging of λ and cosmid DNA

1979 • 537 citations

Interspecies homology of nitrogenase genes.

1980 • 372 citations

Location of nodulation and nitrogen fixation genes on a high molecular weight plasmid of R. meliloti

1981 • 339 citations

Genes controlling early and late functions in symbiosis are located on a megaplasmid in Rhizobium meliloti

1981 • 325 citations

[46] Recovery of DNA from gels

1980 • 296 citations

Role of the nifA gene product in the regulation of nif expression in Klebsiella pneumoniae

1981 • 207 citations

Analysis of regulation of Klebsiella pneumoniae nitrogen fixation (nif) gene cluster with gene fusions

1980 • 188 citations

Positive control and autogenous regulation of the nifLA promoter in Klebsiella pneumoniae

1983 • 173 citations

Regulation of nitrogen metabolism genes by nifA gene product in Klebsiella pneumoniae

1983 • 150 citations

Klebsiella pneumoniae nifA product activates the Rhizobium meliloti nitrogenase promoter

1983 • 122 citations

Cloning of the glnA, ntrB and ntrC genes of Klebsiella pneumoniae and studies of their role in regulation of the nitrogen fixation (nif) gene cluster

1982 • 88 citations

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

1983 • 76 citations