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Review
. 2019 Oct;42(10):2931-2944.
doi: 10.1111/pce.13633. Epub 2019 Aug 13.

The ubiquitin-proteasome system in plant responses to environments

Fa-Qing Xu  1   2 , Hong-Wei Xue  1   3
Affiliations
Free article
Review

The ubiquitin-proteasome system in plant responses to environments

Fa-Qing Xu et al. Plant Cell Environ. 2019 Oct.
Free article

Abstract

The ubiquitin-proteasome system (UPS) is a rapid regulatory mechanism for selective protein degradation in plants and plays crucial roles in growth and development. There is increasing evidence that the UPS is also an integral part of plant adaptation to environmental stress, such as drought, salinity, cold, nutrient deprivation and pathogens. This review focuses on recent studies illustrating the important functions of the UPS components E2s, E3s and subunits of the proteasome and describes the regulation of proteasome activity during plant responses to environment stimuli. The future research hotspots and the potential for utilization of the UPS to improve plant tolerance to stress are discussed.

Keywords: 26S proteasome; E3 ligases; UPS; environmental stimuli.

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