Autophagy and its role in plant abiotic stress management

Being unable to move, plants are regularly exposed to changing environmental conditions, among which various types of abiotic stress, such as heat, drought, salt, and so forth. These might have deleterious effects on plant performance and yield. Plants thus need to adapt using appropriate stress res...

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Bibliographic Details
Published in:Plant, cell and environment cell and environment, 2019-03, Vol.42 (3), p.1045-1053
Main Author: Avin‐Wittenberg, Tamar
Format: Article
Language:English
Subjects:
Abiotic stress
Arabidopsis
Autophagy
Autophagy - physiology
Chlamydomonas
Drought
Environmental changes
Environmental conditions
Environmental management
Organelles
Phagocytosis
Plant Physiological Phenomena
Plants - metabolism
Proteins
ROS
selective autophagy
Stress
Stress, Physiological - physiology
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Summary:Being unable to move, plants are regularly exposed to changing environmental conditions, among which various types of abiotic stress, such as heat, drought, salt, and so forth. These might have deleterious effects on plant performance and yield. Plants thus need to adapt using appropriate stress responses. One of the outcomes of abiotic stress is the need to degrade and recycle damaged proteins and organelles. Autophagy is a conserved eukaryotic mechanism functioning in the degradation of proteins, protein aggregates, and whole organelles. It was previously shown to have a role in plant abiotic stress. This review will describe the current knowledge regarding the involvement of autophagy in plant abiotic stress response, mechanisms functioning in autophagy induction during stress, and possible direction for future research. Plants are regularly exposed to changing environmental conditions, among which various types of abiotic stress, damaging plant performance and yield. One of the outcomes of abiotic stress is the need to degrade and recycle damaged proteins and organelles. Autophagy is a conserved eukaryotic mechanism functioning in the degradation of proteins, protein aggregates, and whole organelles. The review describes the current knowledge regarding the involvement of autophagy in plant abiotic stress response, mechanisms functioning in autophagy induction during stress, and possible directions for future research.
ISSN:0140-7791
1365-3040
DOI:10.1111/pce.13404