WRKY: its structure, evolutionary relationship, DNA-binding selectivity, role in stress tolerance and development of plants

被引:189
作者
Agarwal, Parinita [1 ]
Reddy, M. P. [1 ]
Chikara, Jitendra [1 ]
机构
[1] Cent Salt & Marine Chem Res Inst, Council Sci & Ind Res, Bhavnagar 364021, Gujarat, India
关键词
Abiotic; Biotic; DNA-binding; Senescence; Transcription factor; WRKY; TRANSCRIPTION FACTORS INTERACT; ENHANCES DISEASE RESISTANCE; WIDE COMPARATIVE-ANALYSIS; SALICYLIC-ACID; ABSCISIC-ACID; FUNCTIONAL-ANALYSIS; EXPRESSION ANALYSIS; DROUGHT TOLERANCE; GENE SUPERFAMILY; SIGNAL-TRANSDUCTION;
D O I
10.1007/s11033-010-0504-5
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The plants during their sessile, autotrophic lifestyle are affected by wide range of environmental signals and regulate complex patterns of gene expression with the help of transcription factors. The WRKY transcription factors are considered as plant-specific, however, are also reported in protist, slime mold, fern and pine. The WRKY name is coined from its highly conserved 60 amino acid long WRKY domain. These TFs show W box specific binding which is also influenced by the W box flanking sequence. During evolution, the family has expanded in different patterns to facilitate distinct cellular, developmental, and physiological role in plants. The WRKY TFs form one of the largest families in flowering plants, and play a broad spectrum regulatory role as positive and negative regulators of plant defense regulation, abiotic stresses and also involved in growth and development of plants.
引用
收藏
页码:3883 / 3896
页数:14
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