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Article

Nitrate efflux at the root plasma membrane: identification of an Arabidopsis excretion transporter.

The Plant cell - 1 Nov 2007

Segonzac Cécile, Boyer Jean-Christophe, Ipotesi Emilie, Szponarski Wojciech, Tillard Pascal, Touraine Brigitte, Sommerer Nicolas, Rossignol Michel, Gibrat Rémy

Abstract excerpt

Root NO(3)(-) efflux to the outer medium is a component of NO(3)(-) net uptake and can even overcome influx upon various stresses. Its role and molecular basis are unknown. Following a functional biochemical approach, NAXT1 (for NITRATE EXCRETION TRANSPORTER1) was identified by mass spectrometry in the plasma membrane (PM) of Arabidopsis thaliana suspension cells, a localization confirmed using a NAXT1-Green...

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Identifiers

PMID: 17993627
DOI: 10.1105/tpc.106.048173
PMCID: PMC2174868

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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