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Dealing With Stress: A Review of Plant SUMO Proteases

Morrell, Rebecca; Sadanandom, Ari

Dealing With Stress: A Review of Plant SUMO Proteases Thumbnail


Rebecca Morrell


The SUMO system is a rapid dynamic post-translational mechanism employed by eukaryotic cells to respond to stress. Plant cells experience hyperSUMOylation of substrates in response to stresses such as heat, ethanol, and drought. Many SUMOylated proteins are located in the nucleus, SUMOylation altering many nuclear processes. The SUMO proteases play two key functions in the SUMO cycle by generating free SUMO; they have an important role in regulating the SUMO cycle, and by cleaving SUMO off SUMOylated proteins, they provide specificity to which proteins become SUMOylated. This review summarizes the broad literature of plant SUMO proteases describing their catalytic activity, domains and structure, evolution, localization, and response to stress and highlighting potential new areas of research in the future.


Morrell, R., & Sadanandom, A. (2019). Dealing With Stress: A Review of Plant SUMO Proteases. Frontiers in Plant Science, 10, Article 1122.

Journal Article Type Article
Acceptance Date Aug 14, 2019
Online Publication Date Sep 18, 2019
Publication Date Sep 18, 2019
Deposit Date Oct 10, 2019
Publicly Available Date Oct 11, 2019
Journal Frontiers in Plant Science
Publisher Frontiers Media
Peer Reviewed Peer Reviewed
Volume 10
Article Number 1122
Public URL


Published Journal Article (1.7 Mb)

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Copyright Statement
Copyright © 2019 Morrell and Sadanandom. This is an open-access article distributed
under the terms of the Creative Commons Attribution License (CC BY). The use,
distribution or reproduction in other forums is permitted, provided the original
author(s) and the copyright owner(s) are credited and that the original publication in
this journal is cited, in accordance with accepted academic practice. No use, distribution
or reproduction is permitted which does not comply with these terms.

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