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Article

Characterization of the Rhizobium leguminosarum biovar phaseoli nifA gene, a positive regulator of nif gene expression.

Archives of microbiology - 1 Jan 1994

Michiels J, D'hooghe I, Verreth C, Pelemans H, Vanderleyden J

Abstract excerpt

We report the isolation, mutational analysis and the nucleotide sequence of the Rhizobium leguminosarum bv. phaseoli nifA gene. Comparison of the deduced amino acid sequence with other NifA sequences indicated the presence of the conserved central activator and the C-terminal DNA-binding domains. Nodules elicited by a R. leguminosarum bv. phaseoli nifA mutant were symbiotically ineffective. The expression of a...

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PMID: 8042903
DOI: 10.1007/BF00288950

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