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. 1987 Jun;169(6):2424–2431. doi: 10.1128/jb.169.6.2424-2431.1987

Rhizobium meliloti ntrA (rpoN) gene is required for diverse metabolic functions.

C W Ronson, B T Nixon, L M Albright, F M Ausubel
PMCID: PMC212082  PMID: 3034856

Abstract

We report the identification and cloning of an ntrA-like (glnF rpoN) gene of Rhizobium meliloti and show that the R. meliloti ntrA product (NtrA) is required for C4-dicarboxylate transport as well as for nitrate assimilation and symbiotic nitrogen fixation. DNA sequence analysis showed that R. meliloti NtrA is 38% homologous with Klebsiella pneumoniae NtrA. Subcloning and complementation analysis suggested that the R. meliloti ntrA promoter lies within 125 base pairs of the initiation codon and may be constitutively expressed.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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