Crops ›› 2016, Vol. 32 ›› Issue (2): 14-20.doi: 10.16035/j.issn.1001-7283.2016.02.003

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Advances on the Structural Characteristics and Function of Dof Transcription Factors in Plant

Zhang Xue1,2,Yin Yuejia2,Fan Bei1,Li Huijie1,Fei Xiaoyu1,Cui Xiyan1   

  1. 1 School of Life Sciences,Jilin Agricultural University/Laboratory of Crop Nutrition Metabolism and Regulation,Changchun 130118,Jilin,China
    2 Institute of Agricultural Biotechnology,Jilin Academy of Agricultural Sciences,Changchun 130124,Jilin,China
  • Received:2015-11-13 Revised:2016-02-26 Online:2016-04-15 Published:2018-08-26
  • Contact: Xiyan Cui

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Abstract:

Dof proteins (DNA binding with one finger) are plant-specific transcription factors, which include the Dof structural domain of conservative zinc finger in the N-terminal and can specifically identify AAAG sequences. Dof transcription factors are showed a variety of functions, due to the variable C-terminal. The C-terminal is a specific transcriptional regulatory structural domain of Dof proteins. The functions of Dof transcription factors are mainly related with the vascular development, leaf polarity, specific-gene regulation of guard cell, carbon and nitrogen metabolism, seed development and germination, light response, the flowering of photoperiodic regulation, pollen development, secondary metabolites synthesis, defensive reaction, auxin response and other physiological processes in plants. In this paper, these processes are summarized as tissue differentiation, seed development, and metabolic regulation, which provide a reference for application research of Dof transcription factors by analyzing its structural characteristics and functions.

Key words: Plant, Dof transcription factor, Structural characteristics, Function

Table 1

The Dof transcription factors in plant"

物种Species 类群
Group		 Dof数量
Number of Dof		 参考文献
Reference
莱因衣藻(Chlamydomonas reinhardtii) 藻类 1 [3]
小立碗藓(Physcomitrella patens) 苔藓 9 [3]
岩柏草(Selaginella moellendorfii) 蕨类 8 [3]
火炬松(Pinus taeda) 裸子植物 8 [3]
拟南芥(Arabidopsis thaliana) 被子植物 36 [4]
水稻(Oryza sativa) 被子植物 30 [4]
大麦(Hordeum vulgare) 被子植物 24 [5]
大豆(Glycine max) 被子植物 78 [6]
毛果杨(Populus trichocarpa) 被子植物 41 [7]
小麦(Triticum aestivum) 被子植物 31 [8]
高粱(Sorghum bicolor) 被子植物 28 [9]
玉米(Zea mays) 被子植物 54 [10]
二穗短柄草(Brachypodium distachyon) 被子植物 27 [11]
番茄(Solanum lycopersicum) 被子植物 34 [12]
甘蔗(Saccharum officinarum) 被子植物 25 [13]
木豆[Cajanus cajan(L)Millsp] 被子植物 38 [14]

Fig.1

The structure,amino acid sequence,and the binding mode of Dof domain of E.coracana with the gene promoter sequence of AAAG"

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