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Article

The organization of high-affinity ammonium uptake in Arabidopsis roots depends on the spatial arrangement and biochemical properties of AMT1-type transporters.

The Plant cell - 1 Aug 2007

Yuan Lixing, Loqué Dominique, Kojima Soichi, Rauch Sabine, Ishiyama Keiki, Inoue Eri, Takahashi Hideki, von Wirén Nicolaus

Abstract excerpt

The AMMONIUM TRANSPORTER (AMT) family comprises six isoforms in Arabidopsis thaliana. Here, we describe the complete functional organization of root-expressed AMTs for high-affinity ammonium uptake. High-affinity influx of (15)N-labeled ammonium in two transposon-tagged amt1;2 lines was reduced by 18 to 26% compared with wild-type plants. Enrichment of the AMT1;2 protein in the plasma membrane and localization of...

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Identifiers

PMID: 17693533
DOI: 10.1105/tpc.107.052134
PMCID: PMC2002620

Genes

AMT

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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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