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Article

Arabidopsis ABCB21 is a facultative auxin importer/exporter regulated by cytoplasmic auxin concentration.

Plant & cell physiology - 1 Dec 2012

Kamimoto Yoshihisa, Terasaka Kazuyoshi, Hamamoto Masafumi, Takanashi Kojiro, Fukuda Shoju, Shitan Nobukazu, Sugiyama Akifumi, Suzuki Hideyuki, Shibata Daisuke, Wang Bangjun, Pollmann Stephan, Geisler Markus, Yazaki Kazufumi

Abstract excerpt

The phytohormone auxin is critical for plant growth and many developmental processes. Members of the P-glycoprotein (PGP/ABCB) subfamily of ATP-binding cassette (ABC) transporters have been shown to function in the polar movement of auxin by transporting auxin over the plasma membrane in both monocots and dicots. Here, we characterize a new Arabidopsis member of the ABCB subfamily, ABCB21/PGP21, a close homolog...

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Identifiers

PMID: 23147222
DOI: 10.1093/pcp/pcs149

Genes

ABCB4
PGP

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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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Arabidopsis ABCB21 is a facultative auxin importer/exporter regulated by cytoplasmic auxin concentration.PMID 23147222Read ↗

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