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Arabidopsis AUX1 gene: A permease-like regulator of root gravitropism
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UNSPECIFIED (1996) Arabidopsis AUX1 gene: A permease-like regulator of root gravitropism. SCIENCE, 273 (5277). pp. 948-950. ISSN 0036-8075.
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Abstract
The plant hormone auxin regulates various developmental processes including root formation, vascular development, and gravitropism. Mutations within the AUX1 gene confer an auxin-resistant root growth phenotype and abolish root gravitropic curvature. Polypeptide sequence similarity to amino acid permeases suggests that AUX1 mediates the transport of an amino acid-like signaling molecule. Indole-3-acetic acid, the major form of auxin in higher plants, is structurally similar to tryptophan and is a likely substrate for the AUX1 gene product. The cloned AUX1 gene can restore the auxin-responsiveness of transgenic aux1 roots. Spatially, AUX1 is expressed in root apical tissues that regulate root gravitropic curvature.
Item Type: | Journal Article | ||||
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Subjects: | Q Science | ||||
Journal or Publication Title: | SCIENCE | ||||
Publisher: | AMER ASSOC ADVANCEMENT SCIENCE | ||||
ISSN: | 0036-8075 | ||||
Official Date: | 16 August 1996 | ||||
Dates: |
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Volume: | 273 | ||||
Number: | 5277 | ||||
Number of Pages: | 3 | ||||
Page Range: | pp. 948-950 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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