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. 1988 Sep;170(9):4406–4410. doi: 10.1128/jb.170.9.4406-4410.1988

Bacterial-type ferredoxin genes in the nitrogen fixation regions of the cyanobacterium Anabaena sp. strain PCC 7120 and Rhizobium meliloti.

M E Mulligan 1, W J Buikema 1, R Haselkorn 1
PMCID: PMC211462  PMID: 2842320

Abstract

The nucleotide sequence of a region located downstream of the nifB gene, both in the cyanobacterium Anabaena sp. strain PCC 7120 and in Rhizobium meliloti, has been determined. This region contains a gene (fdxN) whose predicted polypeptide product strongly resembles typical bacterial ferredoxins. Cyanobacteria have not previously been shown to contain bacterial-type ferredoxins. The presence of this gene suggests that nitrogen-fixing cyanobacteria have at least four distinct ferredoxins.

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Selected References

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