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[Advances in stress response of DNA binding with one finger transcription factor family genes in graminaceous plants].

Transcription factor is a key trans-acting factor to mediate stress response by regulating gene expression. Plants have developed a series of mechanisms to modulate development, stress response, signaling and disease resistance at transcription level. DNA binding with one finger (DOF), containing one C₂-C₂ zinc finger domain, is a special plant transcription factor. Specifically, the conserved domain at N-terminus of DOF has multiple functions, including interacting with DNA and protein, which could be involved in plant development and stress response. Although many DOF family genes are characterized in plant stress response, it is not clear if DOF genes have functions in cereal plants. In the present paper, the role of DOF family genes on cereal plants were discussed based on a comprehensive phylogenetic relationship analysis, expression profiles in different tissues and various environmental conditions. The results obtained here will provide an important reference for further understanding the mechanism of gramineous crops in stress resistance.