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PMID: 21719690 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't Review

AUXIN BINDING PROTEIN1: the outsider.

The Plant cell ·Vol. 23 ·No. 6 ·2011-06-00 ·Pages 2033-43

Sauer M, Kleine-Vehn J

Abstract

AUXIN BINDING PROTEIN1 (ABP1) is one of the first characterized proteins that bind auxin and has been implied as a receptor for a number of auxin responses. Early studies characterized its auxin binding properties and focused on rapid electrophysiological and cell expansion responses, while subsequent work indicated a role in cell cycle and cell division control. Very recently, ABP1 has been ascribed a role in modulating endocytic events at the plasma membrane and RHO OF PLANTS-mediated cytoskeletal rearrangements during asymmetric cell expansion. The exact molecular function of ABP1 is still unresolved, but its main activity apparently lies in influencing events at the plasma membrane. This review aims to connect the novel findings with the more classical literature on ABP1 and to point out the many open questions that still separate us from a comprehensive model of ABP1 action, almost 40 years after the first reports of its existence.

MeSH Terms
Cell Cycle/physiology Cell Membrane/metabolism Clathrin/metabolism Cytoskeleton/metabolism Endocytosis/physiology Indoleacetic Acids/metabolism Plant Proteins/genetics,metabolism Plants/anatomy & histology,genetics,metabolism Receptors, Cell Surface/genetics,metabolism Signal Transduction/physiology
Chemicals
Clathrin Indoleacetic Acids Plant Proteins Receptors, Cell Surface auxin-binding protein 1
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Sauer Michael
Department of Plant Molecular Genetics, Centro Nacional de Biotecnología, Consejo Superior de Investigaciones Científicas, 28049 Madrid, Spain. msauer@cnb.csic.es
Kleine-Vehn Jürgen
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Article Info
Journal
The Plant cell
Abbr.
Plant Cell
ISSN
1532-298X
DOI
10.1105/tpc.111.087064
Email
msauer@cnb.csic.es
Published
2011-06-00
Epub
2011-00-30
Pages
2033-43
Language
English
Region
England
NLM ID
9208688
PMCID
PMC3160040
Subset
IM
External Links
PubMed source DOI: 10.1105/tpc.111.087064 PMC Full Text View journal details
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