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Article

AUX1 regulates root gravitropism in Arabidopsis by facilitating auxin uptake within root apical tissues.

The EMBO journal - 15 Apr 1999

Marchant A, Kargul J, May S T, Muller P, Delbarre A, Perrot-Rechenmann C, Bennett M J

Abstract excerpt

Plants employ a specialized transport system composed of separate influx and efflux carriers to mobilize the plant hormone auxin between its site(s) of synthesis and action. Mutations within the permease-like AUX1 protein significantly reduce the rate of carrier-mediated auxin uptake within Arabidopsis roots, conferring an agravitropic phenotype. We are able to bypass the defect within auxin uptake and restore...

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Identifiers

PMID: 10205161
DOI: 10.1093/emboj/18.8.2066
PMCID: PMC1171291

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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.

Related research

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AUX1 regulates root gravitropism in Arabidopsis by facilitating auxin uptake within root apical tissues.PMID 10205161Read ↗

Arabidopsis AUX1 gene: a permease-like regulator of root gravitropism.Semantic proximity Read ↗

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Novel auxin transport inhibitors phenocopy the auxin influx carrier mutation aux1.Semantic proximity Read ↗

High-affinity auxin transport by the AUX1 influx carrier protein.Semantic proximity Read ↗

Disruptions in AUX1-dependent auxin influx alter hypocotyl phototropism in Arabidopsis.Semantic proximity Read ↗

AUX1 promotes lateral root formation by facilitating indole-3-acetic acid distribution between sink and source tissues in the Arabidopsis seedling.Semantic proximity Read ↗

Cellular efflux of auxin catalyzed by the Arabidopsis MDR/PGP transporter AtPGP1.Semantic proximity Read ↗

ALTERED RESPONSE TO GRAVITY is a peripheral membrane protein that modulates gravity-induced cytoplasmic alkalinization and lateral auxin transport in plant statocytes.Semantic proximity Read ↗

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