Regulation of polar auxin transport by AtPIN1 in Arabidopsis vascular tissue

Polar auxin transport controls multiple developmental processes in plants, including the formation of vascular tissue. Mutations affecting the PIN-FORMED (PIN1) gene diminish polar auxin transport in Arabidopsis thaliana inflorescence axes. The AtPIN1 gene was found to encode a 67-kilodalton protein...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 1998-12, Vol.282 (5397), p.2226-2230
Hauptverfasser:	Galweiler, L, Guan, C, Muller, A, Wisman, E, Mendgen, K, Yephremov, A, Palme, K
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Alleles Amino Acid Sequence amino acid sequences Antibodies Arabidopsis - chemistry Arabidopsis - genetics Arabidopsis - growth & development Arabidopsis - metabolism Arabidopsis Proteins Arabidopsis thaliana Auxin Auxins Biological and medical sciences Biological Transport - drug effects Blotting, Northern Cloning, Molecular Complementary DNA Contig Mapping DNA DNA Transposable Elements Economic plant physiology Flowers & plants Fractions Fundamental and applied biological sciences. Psychology gene expression Genes Genes, Plant genetic regulation Growth and development Growth regulators Individualized Instruction Indoleacetic Acids - metabolism Inflorescences Libraries Membrane Proteins - chemistry Membrane Proteins - genetics Membrane Proteins - metabolism Membrane Transport Proteins Metabolism Molecular Sequence Data Mutagenesis, Insertional Phenotype Phenotypes Phthalimides - pharmacology Physiological aspects Plant physiology and development Plant Roots - metabolism Plant Stems - metabolism Plant translocation Plants Proteins Proton-Motive Force translocation (plant physiology) Transposons Vascular tissues
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Zusammenfassung:	Polar auxin transport controls multiple developmental processes in plants, including the formation of vascular tissue. Mutations affecting the PIN-FORMED (PIN1) gene diminish polar auxin transport in Arabidopsis thaliana inflorescence axes. The AtPIN1 gene was found to encode a 67-kilodalton protein with similarity to bacterial and eukaryotic carrier proteins, and the AtPIN1 protein was detected at the basal end of auxin transport-competent cells in vascular tissue. AtPIN1 may act as a transmembrane component of the auxin efflux carrier.
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.282.5397.2226