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Plant ATP-Binding Cassette Transporters

Plant ATP-Binding Cassette Transporters Abstract The ATP-binding cassette (ABC) protein superfamily is one of the largest known, with over 120 members in both Arabidopsis thaliana and rice ( Oryza sativa ). Most, but not all, ABC proteins are modularly organized membrane proteins (“ABC transporters”) that mediate MgATP-energized transmembrane transport and/or regulate other transporters. The range of processes in which members of the various subclasses of plant ABC transporters have been implicated encompasses polar auxin transport, lipid catabolism, xenobiotic detoxification, disease resistance, and stomatal function. Although it is often possible to predict the likely function of a plant ABC transporter on the basis of its subfamily membership, there are many whose capabilities deviate from what would be predicted from the properties of even their most sequence-related counterparts. When taking account of this and the disparate processes in which the few that have been characterized participate, it is likely that elucidation of the mechanistic basis of any given plant process will necessitate consideration of at least one ABC transporter. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Plant Biology Annual Reviews

Plant ATP-Binding Cassette Transporters

Annual Review of Plant Biology , Volume 58 – Jun 2, 2007

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References (138)

Publisher
Annual Reviews
Copyright
Copyright © 2007 by Annual Reviews. All rights reserved
ISSN
1040-2519
DOI
10.1146/annurev.arplant.57.032905.105406
pmid
17263663
Publisher site
See Article on Publisher Site

Abstract

Abstract The ATP-binding cassette (ABC) protein superfamily is one of the largest known, with over 120 members in both Arabidopsis thaliana and rice ( Oryza sativa ). Most, but not all, ABC proteins are modularly organized membrane proteins (“ABC transporters”) that mediate MgATP-energized transmembrane transport and/or regulate other transporters. The range of processes in which members of the various subclasses of plant ABC transporters have been implicated encompasses polar auxin transport, lipid catabolism, xenobiotic detoxification, disease resistance, and stomatal function. Although it is often possible to predict the likely function of a plant ABC transporter on the basis of its subfamily membership, there are many whose capabilities deviate from what would be predicted from the properties of even their most sequence-related counterparts. When taking account of this and the disparate processes in which the few that have been characterized participate, it is likely that elucidation of the mechanistic basis of any given plant process will necessitate consideration of at least one ABC transporter.

Journal

Annual Review of Plant BiologyAnnual Reviews

Published: Jun 2, 2007

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