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Trends Cell Biol. 2010 Apr;20(4):223-32. doi: 10.1016/j.tcb.2010.01.007. Epub 2010 Feb 26.

Sumoylation and other ubiquitin-like post-translational modifications in plants.

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  • 1Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan.


Post-translational modifications diversify proteome activity to mediate complex hierarchical regulatory processes that are crucial to eukaryotic cell function. Protein modification by Ub (ubiquitin) and Ubls (ubiquitin-like proteins) in plants, as in yeast and metazoans, is necessary for numerous cellular and developmental processes and for the genetic reprogramming that occurs in response to hormonal stimuli, host-pathogen interaction-related stimuli and environmental stimuli. Ub and Ubl modifications, such as sumoylation, facilitate molecular interaction with specific substrates. Recent evidence has permitted inference of the mechanisms by which Ubl modifications regulate physiological processes such as cell-cycle progression, abscisic acid signaling, development, and biotic and abiotic stress responses. This review presents our current understanding of sumoylation and other Ubl conjugation processes in plant biology.

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