The Ubiquitin Proteasome System and Nutrient Stress Response

Erin Mackinnon, Sophia L. Stone

Résultat de recherche: Review articleexamen par les pairs

11 Citations (Scopus)

Résumé

Plants utilize different molecular mechanisms, including the Ubiquitin Proteasome System (UPS) that facilitates changes to the proteome, to mitigate the impact of abiotic stresses on growth and development. The UPS encompasses the ubiquitination of selected substrates followed by the proteasomal degradation of the modified proteins. Ubiquitin ligases, or E3s, are central to the UPS as they govern specificity and facilitate the attachment of one or more ubiquitin molecules to the substrate protein. From recent studies, the UPS has emerged as an important regulator of the uptake and translocation of essential macronutrients and micronutrients. In this review, we discuss select E3s that are involved in regulating nutrient uptake and responses to stress conditions, including limited or excess levels of nitrogen, phosphorus, iron, and copper.

Langue d'origineEnglish
Numéro d'article867419
JournalFrontiers in Plant Science
Volume13
DOI
Statut de publicationPublished - mai 19 2022

Note bibliographique

Funding Information:
This work is supported by a Discovery grant from the Natural Sciences and Engineering Research Council of Canada (NSERC) to SLS. EM is supported by a Nova Scotia Graduate Scholarship (NSGS) and a graduate scholarship from Dalhousie University.

Funding Information:
The authors acknowledge the Natural Sciences and Engineering Research Council of Canada (NSERC) for providing support to SLS. Thanks to Dalhousie University and Nova Scotia Graduate Scholarship (NSGS) for supporting EM’s graduate studies.

Publisher Copyright:
Copyright © 2022 Mackinnon and Stone.

ASJC Scopus Subject Areas

  • Plant Science

PubMed: MeSH publication types

  • Journal Article
  • Review

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