Post-translational Modifications of bZIP Transcription Factors in Abscisic Acid Signaling and Drought Responses

Under drought stress, plants have developed various mechanisms to survive in the reduced water supply, of which the regulation of stress-related gene expression is responsible for several transcription factors. The basic leucine zippers (bZIPs) are one of the largest and most diverse transcription f...

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Bibliographic Details
Published in:Current genomics 2021-01, Vol.22 (1), p.4-15
Main Authors: Joo, Hyunhee, Baek, Woonhee, Lim, Chae Woo, Lee, Sung Chul
Format: Article
Language:English
Subjects:
Abscisic acid
Drought
Gene expression
Leucine
Phosphorylation
Plant species
Post-translation
Potatoes
Signal transduction
Signaling
SUMO protein
Transcription factors
Translation
Ubiquitination
Water supply
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Summary:Under drought stress, plants have developed various mechanisms to survive in the reduced water supply, of which the regulation of stress-related gene expression is responsible for several transcription factors. The basic leucine zippers (bZIPs) are one of the largest and most diverse transcription factor families in plants. Among the 10 Arabidopsis bZIP groups, group A bZIP transcription factors function as a positive or negative regulator in ABA signal transduction and drought stress response. These bZIP transcription factors, which are involved in the drought response, have also been isolated in various plant species such as rice, pepper, potato, and maize. Recent studies have provided substantial evidence that many bZIP transcription factors undergo the post-translational modifications, through which the regulation of their activity or stability affects plant responses to various intracellular or extracellular stimuli. This review aims to address the modulation of the bZIP proteins in ABA signaling and drought responses through phosphorylation, ubiquitination and sumoylation.
ISSN:1389-2029
1875-5488
DOI:10.2174/1389202921999201130112116