Protective roles of cytosolic and plastidal proteasomes on abiotic stress and pathogen invasion

MS Ali, KH Baek - Plants, 2020 - mdpi.com
Protein malfunction is typically caused by abiotic stressors. To ensure cell survival during
conditions of stress, it is important for plant cells to maintain proteins in their respective …

Proteomics analysis reveals a highly heterogeneous proteasome composition and the post-translational regulation of peptidase activity under pathogen signaling in …

HH Sun, Y Fukao, S Ishida, H Yamamoto… - Journal of Proteome …, 2013 - ACS Publications
The proteasome is a large multisubunit complex that plays a crucial role in the removal of
damaged or selective ubiquitinated proteins, thereby allowing quality control of cellular …

Proteasome regulation, plant growth and stress tolerance

J Kurepa, S Wang, Y Li, J Smalle - Plant signaling & behavior, 2009 - Taylor & Francis
Plant cells contain a mixture of 26S and 20S proteasomes that mediate ubiquitin dependent
and ubiquitin independent proteolysis, respectively. The 26S proteasome contains the 20S …

Oxidative and salt stresses alter the 26S proteasome holoenzyme and associated protein profiles in Arabidopsis thaliana

D Bonea, J Noureddine, S Gazzarrini, R Zhao - BMC Plant Biology, 2021 - Springer
Background The 26S proteasome, canonically composed of multi-subunit 19S regulatory
(RP) and 20S core (CP) particles, is crucial for cellular proteostasis. Proteasomes are re …

Structure, function and regulation of plant proteasomes

J Kurepa, JA Smalle - Biochimie, 2008 - Elsevier
Proteasomes are large multisubunit, multicatalytic proteases responsible for most of the
cytosolic and nuclear protein degradation, and their structure and functions are conserved in …

Proteasome activity profiling: a simple, robust and versatile method revealing subunit‐selective inhibitors and cytoplasmic, defense‐induced proteasome activities

C Gu, I Kolodziejek, J Misas‐Villamil… - The Plant …, 2010 - Wiley Online Library
The proteasome plays essential roles in nearly all biological processes in plant defense and
development, yet simple methods for displaying proteasome activities in extracts and living …

The proteasome stress regulon is controlled by a pair of NAC transcription factors in Arabidopsis

NP Gladman, RS Marshall, KH Lee, RD Vierstra - The Plant Cell, 2016 - academic.oup.com
Proteotoxic stress, which is generated by the accumulation of unfolded or aberrant proteins
due to environmental or cellular perturbations, can be mitigated by several mechanisms …

Affinity purification of the Arabidopsis 26 S proteasome reveals a diverse array of plant proteolytic complexes

AJ Book, NP Gladman, SS Lee, M Scalf… - Journal of Biological …, 2010 - ASBMB
Selective proteolysis in plants is largely mediated by the ubiquitin (Ub)/proteasome system
in which substrates, marked by the covalent attachment of Ub, are degraded by the 26 S …

Both Hsp70 chaperone and Clp protease plastidial systems are required for protection against oxidative stress

P Pulido, E Llamas… - Plant signaling & …, 2017 - Taylor & Francis
Environmental stress conditions such as high light, extreme temperatures, salinity or drought
trigger oxidative stress and eventually protein misfolding in plants. In chloroplasts …

Proteolysis in plants: mechanisms and functions

RD Vierstra - Post-Transcriptional Control of Gene Expression in …, 1996 - Springer
Proteolysis is essential for many aspects of plant physiology and development. It is
responsible for cellular housekeeping and the stress response by removing …