Research Progresses on Auxin Response Factors

文献类型： 外文期刊

第一作者： Wei, HB

作者： Wei, HB;Cui, BM;Ren, YL;Li, JH;Liao, WB;Xu, NF;Peng, M

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关键词： auxin/indoleacetic acid;auxin response elements;auxin response factors;auxin responsive genes

期刊名称：JOURNAL OF INTEGRATIVE PLANT BIOLOGY （ 影响因子：7.061； 五年影响因子：6.002 ）

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收录情况： SCI

摘要： Auxin response factors (ARFs), a family of transcription factors, have been discovered recently. The ARFs bind specifically to the auxin response elements (AuxREs) within promoters of primary auxin responsive genes and function as activators or repressers. The ARFs contain three domains, namely a conserved N-terminal DNA-binding domain, a non-conserved middle region, and a conserved C-terminal dimerization domain. The ARFs can form a protein complex with auxin/indoleacetic acid through homodimerization or heterodimerization. The particular protein-protein interaction may play a key role in modulating the expression of early auxin responsive genes. The identification of ARF mutations in Arabidopsis helps to demonstrate/dissect the function of ARFs inthe normal growth and development of plants. Phylogenetic analysis also reveals some interesting protein evolution points in the ARF family.

分类号： Q94

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