Polar auxin transport: controlling where and how much

Auxin is transported through plant tissues, moving from cell to cell in a unique polar manner. Polar auxin transport controls important growth and developmental processes in higher plants. Recent studies have identified several proteins that mediate polar auxin transport and have shown that some of...

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Bibliographic Details
Published in:Trends in Plant Science 2001-11, Vol.6 (11), p.535-542
Main Authors: Muday, Gloria K, DeLong, Alison
Format: Article
Language:English
Subjects:
actin
Actins - metabolism
Arabidopsis Proteins - metabolism
auxin
auxin transport
Cytoskeleton - metabolism
Indoleacetic Acids - genetics
Indoleacetic Acids - metabolism
Life Sciences (General)
Membrane Transport Proteins - metabolism
naphthylphthalamic acid
Phosphoprotein Phosphatases - metabolism
Phosphorylation
Plant Proteins - metabolism
Plants - metabolism
protein phosphorylation
Protein Transport
Protein-Serine-Threonine Kinases - metabolism
rcn1
Space life sciences
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Summary:Auxin is transported through plant tissues, moving from cell to cell in a unique polar manner. Polar auxin transport controls important growth and developmental processes in higher plants. Recent studies have identified several proteins that mediate polar auxin transport and have shown that some of these proteins are asymmetrically localized, paving the way for studies of the mechanisms that regulate auxin transport. New data indicate that reversible protein phosphorylation can control the amount of auxin transport, whereas protein secretion through Golgi-derived vesicles and interactions with the actin cytoskeleton might regulate the localization of auxin efflux complexes.
ISSN:1360-1385
1878-4372
DOI:10.1016/S1360-1385(01)02101-X