ARF1, a transcription factor that binds to auxin response elements

被引：762

作者：

Ulmasov, T ^{[1
]}

Hagen, G ^{[1
]}

Guilfoyle, TJ ^{[1
]}

机构：

[1] UNIV MISSOURI,DEPT BIOCHEM,COLUMBIA,MO 65211

来源：

SCIENCE | 1997年 / 276卷 / 5320期

关键词：

D O I：

10.1126/science.276.5320.1865

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

The plant hormone auxin regulates plant physiology by modulating the interaction of transcription factors with auxin response elements (AuxREs) of the affected genes. A transcription factor, Auxin Response Factor 1 (ARF1), that binds to the sequence TGTCTC in AuxREs was cloned from Arabidopsis by using a yeast one-hybrid system. ARF1 has an amino-terminal DNA-binding domain related to the carboxyl terminus of the maize transactivator Viviparous-1. Sequence requirements for ARF1 binding in vitro are identical to those that confer auxin responsiveness in vivo. The carboxyl terminus of ARF1 contains two motifs found in the Aux/IAA class of proteins and appears to mediate protein-protein interactions.

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页码：1865 / 1868

页数：4

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