Multifaceted Roles of Plant Autophagy in Lipid and Energy Metabolism

Jessica A.S. Barros, João A.B. Siqueira, João H.F. Cavalcanti, Wagner L. Araújo*, Tamar Avin-Wittenberg

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

33 Scopus citations

Abstract

Together with sugars and proteins, lipids constitute the main carbon reserves in plants. Lipids are selectively recycled and catabolized for energy production during development and in response to environmental stresses. Autophagy is a major catabolic pathway, operating in the recycling of cellular components in eukaryotes. Although the autophagic degradation of lipids has been mainly characterized in mammals and yeast, growing evidence has highlighted the role of autophagy in several aspects of lipid metabolism in plants. Here, we summarize recent findings focusing on autophagy functions in lipid droplet (LD) metabolism. We further provide novel insights regarding the relevance of autophagy in the maintenance and clearance of mitochondria and peroxisomes and its consequences for proper lipid usage and energy homeostasis in plants.

Original languageAmerican English
Pages (from-to)1141-1153
Number of pages13
JournalTrends in Plant Science
Volume25
Issue number11
DOIs
StatePublished - Nov 2020

Bibliographical note

Publisher Copyright:
© 2020 Elsevier Ltd

Keywords

  • fatty acid
  • lipid droplet
  • lipophagy

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