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Article

Positive regulation by nitrite of the nitrate assimilation operon in the cyanobacteria Synechococcus sp. strain PCC 7942 and Plectonema boryanum.

Journal of bacteriology - 1 Oct 1996

Kikuchi H, Aichi M, Suzuki I, Omato T

Abstract excerpt

In the absence of fixation of ammonium to glutamine, nitrate and nitrite activated transcription of the nitrate assimilation (nirA-nrtABCD-narB) operon of Synechococcus sp. strain PCC 7942. In a nitrate reductase-deficient mutant, only nitrite activated transcription, indicating that nitrite is the actual activator of the operon. Nitrate and nitrite were also found to activate the transcription of a nitrate...

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Identifiers

PMID: 8824636
DOI: 10.1128/jb.178.19.5822-5825.1996
PMCID: PMC178430

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Source receipt: pubmed, retrieved 7 Sept 2026.

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Positive regulation by nitrite of the nitrate assimilation operon in the cyanobacteria Synechococcus sp. strain PCC 7942 and Plectonema boryanum.PMID 8824636Read ↗

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