Recent advances with auxin response factors （ARFs）：a review

FANG  Jia; HE  Yong-Qing; YU  Min-Fen; ZHENG  Bing-Song

doi:10.11833/j.issn.2095-0756.2012.04.020

Volume 29 Issue 4

Jul. 2012

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FANG Jia, HE Yong-Qing, YU Min-Fen, ZHENG Bing-Song. Recent advances with auxin response factors （ARFs）：a review[J]. Journal of Zhejiang A&F University, 2012, 29(4): 611-616. doi: 10.11833/j.issn.2095-0756.2012.04.020

Citation:

FANG Jia, HE Yong-Qing, YU Min-Fen, ZHENG Bing-Song. Recent advances with auxin response factors （ARFs）：a review[J]. Journal of Zhejiang A&F University, 2012, 29(4): 611-616. doi: 10.11833/j.issn.2095-0756.2012.04.020

Recent advances with auxin response factors （ARFs）：a review

doi: 10.11833/j.issn.2095-0756.2012.04.020

1.
The Nurturing Station for the State Key Laboratory of Subtropical Silviculture，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

More Information

Corresponding author: ZHENG Bing-Song
Received Date: 2011-07-01
Rev Recd Date: 2011-09-21
Publish Date: 2012-08-20

Abstract

Auxin response factors （ARFs） are important transcription factors which regulate the expression of auxin response genes in plants and which take on an important role in auxin signal transduction. ARFs can bind specifically to a TGTCTC motif （auxin response element） and mediate auxin responses including activating or inhibiting gene expression. Based on recent advances in the molecular biology of ARFs，structural characteristics as well as biological functions of ARFs and their regulation mechanism are discussed. A typical ARF protein consists of a N-terminal DNA Binding Domain （DBD），a variable middle region that may function as an activation domain （AD） or a repression domain （RD），and one C-terminal Aux/IAA domain （CTD）. ARFs promote the transcription of early genes by combining auxin response elements，and they regulate the expression of downstream genes in the process of auxin signal transduction. Different ARFs are expressed in different tissues and organisms. Also，the study of ARF mutants has indicated that different ARFs possess different functions，which are due to differences in temporal and spatial expression and due to affinities with promoters of target genes. Additionally，plant hormones，environmental factors，and non-coding small RNA act as important functions in regulating ARFs.［Ch，1 fig. 42 ref.］
- botany,
- auxin response factors （ARF）,
- gene function,
- regulation mechanism,
- review

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Recent advances with auxin response factors （ARFs）：a review

1. The Nurturing Station for the State Key Laboratory of Subtropical Silviculture，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: ZHENG Bing-Song

Received Date: 2011-07-01

Rev Recd Date: 2011-09-21

Publish Date: 2012-08-20

Key words:

Abstract: Auxin response factors （ARFs） are important transcription factors which regulate the expression of auxin response genes in plants and which take on an important role in auxin signal transduction. ARFs can bind specifically to a TGTCTC motif （auxin response element） and mediate auxin responses including activating or inhibiting gene expression. Based on recent advances in the molecular biology of ARFs，structural characteristics as well as biological functions of ARFs and their regulation mechanism are discussed. A typical ARF protein consists of a N-terminal DNA Binding Domain （DBD），a variable middle region that may function as an activation domain （AD） or a repression domain （RD），and one C-terminal Aux/IAA domain （CTD）. ARFs promote the transcription of early genes by combining auxin response elements，and they regulate the expression of downstream genes in the process of auxin signal transduction. Different ARFs are expressed in different tissues and organisms. Also，the study of ARF mutants has indicated that different ARFs possess different functions，which are due to differences in temporal and spatial expression and due to affinities with promoters of target genes. Additionally，plant hormones，environmental factors，and non-coding small RNA act as important functions in regulating ARFs.［Ch，1 fig. 42 ref.］

Recent advances with auxin response factors （ARFs）：a review

doi: 10.11833/j.issn.2095-0756.2012.04.020

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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