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Article

PGP4, an ATP binding cassette P-glycoprotein, catalyzes auxin transport in Arabidopsis thaliana roots.

The Plant cell - 1 Nov 2005

Terasaka Kazuyoshi, Blakeslee Joshua J, Titapiwatanakun Boosaree, Peer Wendy A, Bandyopadhyay Anindita, Makam Srinivas N, Lee Ok Ran, Richards Elizabeth L, Murphy Angus S, Sato Fumihiko, Yazaki Kazufumi

Abstract excerpt

Members of the ABC (for ATP binding cassette) superfamily of integral membrane transporters function in cellular detoxification, cell-to-cell signaling, and channel regulation. More recently, members of the multidrug resistance P-glycoprotein (MDR/PGP) subfamily of ABC transporters have been shown to function in the transport of the phytohormone auxin in both monocots and dicots. Here, we report that the...

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Identifiers

PMID: 16243904
DOI: 10.1105/tpc.105.035816
PMCID: PMC1276020

Genes

PGP

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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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PGP4, an ATP binding cassette P-glycoprotein, catalyzes auxin transport in Arabidopsis thaliana roots.PMID 16243904Read ↗

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

The Arabidopsis concentration-dependent influx/efflux transporter ABCB4 regulates cellular auxin levels in the root epidermis.Semantic proximity Read ↗

Mutations in Arabidopsis multidrug resistance-like ABC transporters separate the roles of acropetal and basipetal auxin transport in lateral root development.Semantic proximity Read ↗

Arabidopsis PIS1 encodes the ABCG37 transporter of auxinic compounds including the auxin precursor indole-3-butyric acid.Semantic proximity Read ↗

Two homologous ATP-binding cassette transporter proteins, AtMDR1 and AtPGP1, regulate Arabidopsis photomorphogenesis and root development by mediating polar auxin transport.Semantic proximity Read ↗

The arabidopsis thaliana AGRAVITROPIC 1 gene encodes a component of the polar-auxin-transport efflux carrier.Semantic proximity Read ↗

Enhanced gravi- and phototropism in plant mdr mutants mislocalizing the auxin efflux protein PIN1.Semantic proximity Read ↗

Arabidopsis ABCB21 is a facultative auxin importer/exporter regulated by cytoplasmic auxin concentration.Semantic proximity Read ↗

Block of ATP-binding cassette B19 ion channel activity by 5-nitro-2-(3-phenylpropylamino)-benzoic acid impairs polar auxin transport and root gravitropism.Semantic proximity Read ↗

Subcellular homeostasis of phytohormone auxin is mediated by the ER-localized PIN5 transporter.Semantic proximity Read ↗

Arabidopsis Flippases Cooperate with ARF GTPase Exchange Factors to Regulate the Trafficking and Polarity of PIN Auxin Transporters.Semantic proximity Read ↗

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

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