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The high-affinity metal Transporters NRAMP1 and IRT1 Team up to Take up Iron under Sufficient Metal Provision.

Scientific reports - 16 Nov 2016

Castaings Loren, Caquot Antoine, Loubet Stéphanie, Curie Catherine

Abstract excerpt

Iron (Fe) and manganese (Mn) are essential metals which, when scarce in the growth medium, are respectively taken up by the root high affinity transporters IRT1 and NRAMP1 in Arabidopsis thaliana. The molecular bases for low affinity transport however remained unknown. Since IRT1 and NRAMP1 have a broad range of substrates among metals, we tested the hypothesis that they might be functionally redundant by...

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PMID: 27849020
DOI: 10.1038/srep37222
PMCID: PMC5110964

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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The high-affinity metal Transporters NRAMP1 and IRT1 Team up to Take up Iron under Sufficient Metal Provision.PMID 27849020Read ↗

High-affinity manganese uptake by the metal transporter NRAMP1 is essential for Arabidopsis growth in low manganese conditions.Semantic proximity Read ↗

Involvement of NRAMP1 from Arabidopsis thaliana in iron transport.Semantic proximity Read ↗

AtIRT1, the primary iron uptake transporter in the root, mediates excess nickel accumulation in Arabidopsis thaliana.Semantic proximity Read ↗

Polarization of IRON-REGULATED TRANSPORTER 1 (IRT1) to the plant-soil interface plays crucial role in metal homeostasis.Semantic proximity Read ↗

NRAMP2, a trans-Golgi network-localized manganese transporter, is required for Arabidopsis root growth under manganese deficiency.Semantic proximity Read ↗

The iron-regulated transporter 1 plays an essential role in uptake, translocation and grain-loading of manganese, but not iron, in barley.Semantic proximity Read ↗

Manganese triggers phosphorylation-mediated endocytosis of the Arabidopsis metal transporter NRAMP1.Semantic proximity Read ↗

The essential basic helix-loop-helix protein FIT1 is required for the iron deficiency response.Semantic proximity Read ↗

Genetic evidence that induction of root Fe(III) chelate reductase activity is necessary for iron uptake under iron deficiency.Semantic proximity Read ↗

Knock-out of Arabidopsis metal transporter gene IRT1 results in iron deficiency accompanied by cell differentiation defects.Semantic proximity Read ↗

Managing the manganese: molecular mechanisms of manganese transport and homeostasis.Semantic proximity Read ↗

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