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Updated: Oct 26, 2025

In Vitro SUMOylation Assay to Study SUMO E3 Ligase Activity
Published on: January 29, 2018
SUMOylation: A critical transcription modulator in plant cells
Danlu Han1, Jianbin Lai1, Chengwei Yang1
1Guangdong Provincial Key Laboratory of Biotechnology for Plant Development, School of Life Science, South China Normal University, Guangzhou, 510631, China.
Abstract:
Gene transcription is critical for various cellular processes and is precisely controlled at multiple levels, and posttranslational modification (PTM) is a fast and powerful way to regulate transcription factors (TFs). SUMOylation, which conjugates small ubiquitin-related modifier (SUMO) molecules to protein substrates, is a crucial PTM that modulates the activity, stability, subcellular localization, and partner interactions of TFs in plant cells. Here, we summarize the mechanisms of SUMOylation in the regulation of transcription in plant development and stress responses. We also discuss the crosstalk between SUMOylation and other PTMs, as well as the potential functions of SUMOylation in the regulation of transcription-associated complexes on plant chromatin. This summary and perspective will improve understanding of the molecular mechanism of PTMs in plant transcription regulation.
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