Can WRKY transcription factors help plants to overcome environmental challenges?

Genetics and Molecular Biology
Taciane FinattoAntonio Costa de Oliveira

Abstract

WRKY transcription factors (TFs) are responsible for the regulation of genes responsive to many plant growth and developmental cues, as well as to biotic and abiotic stresses. The modulation of gene expression by WRKY proteins primarily occurs by DNA binding at specific cis-regulatory elements, the W-box elements, which are short sequences located in the promoter region of certain genes. In addition, their action can occur through interaction with other TFs and the cellular transcription machinery. The current genome sequences available reveal a relatively large number of WRKY genes, reaching hundreds of copies. Recently, functional genomics studies in model plants have enabled the identification of function and mechanism of action of several WRKY TFs in plants. This review addresses the more recent studies in plants regarding the function of WRKY TFs in both model and crop plants for coping with environmental challenges, including a wide variety of abiotic and biotic stresses.

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Citations

Nov 17, 2019·International Journal of Molecular Sciences·Anastassia BoudichevskaiaInna Lermontova
Apr 4, 2021·International Journal of Molecular Sciences·Dung Minh Ha-TranChieh-Chen Huang
Jun 27, 2020·Protein and Peptide Letters·Fırat Kurt

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Methods Mentioned

BETA
transgenic
immunoprecipitation
salt treatment

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