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The function of ABCB transporters in auxin transport

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Authors
Cho, Misuk; Cho, Hyung-Taeg
Issue Date
2013-02
Publisher
LANDES BIOSCIENCE
Citation
Plant Signaling & Behavior Vol.8 No.2, pp. e22990/1-e22990/3
Keywords
자연과학ABCBPGPauxin transportersterolPINArabidopsisnon-polar localization
Abstract
Plant ATP-binding cassette (ABC) transporters consist of largest family members among many other membrane transporters and have been implicated in various functions such as detoxification, disease resistance and transport of diverse substrates. Of the ABC-B/multidrug resistance/P-glycoprotein (ABCB/MDR/PGP) subfamily, at least five members have been reported to mediate cellular transport of auxin or auxin
derivatives. Although single mutant phenotypes of these genes are milder than PIN-FORMED (PIN) mutants, those ABCBs significantly contribute for the directional auxin movement in the tissue-level auxin-transporting assay. Uniformly localized ABCB proteins in the plasma membrane (PM) are generaly found in different plant species and stably retained regardless of internal and external signals. This implies that these ABCB proteins may play as basal auxin transporters.
ISSN
1559-2324 (online)
Language
English
URI
https://hdl.handle.net/10371/84898
DOI
https://doi.org/10.4161/psb.22990
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College of Natural Sciences (자연과학대학)Dept. of Biological Sciences (생명과학부)Journal Papers (저널논문_생명과학부)
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