Effect of Waterlogging-Induced Autophagy on Programmed Cell Death in
autophagy
programmed cell death
reactive oxygen species
respiratory burst oxidase homolog
waterlogging
Journal
Frontiers in plant science
ISSN: 1664-462X
Titre abrégé: Front Plant Sci
Pays: Switzerland
ID NLM: 101568200
Informations de publication
Date de publication:
2019
2019
Historique:
received:
01
12
2018
accepted:
28
03
2019
entrez:
30
4
2019
pubmed:
30
4
2019
medline:
30
4
2019
Statut:
epublish
Résumé
Autophagy, a highly conserved process in eukaryotes that involves vacuolar degradation of intracellular components and decomposition of damaged or toxic constituents, is induced by endogenous reactive oxygen species (ROS) accumulation, endoplasmic reticulum stress, and other factors. In plants, the role of autophagy in the induction of programmed cell death (PCD) is still unclear. Here, we show that ROS contribute to the regulation of PCD during waterlogging (which results in oxygen depletion) via autophagy. In wild-type roots, waterlogging induces the transcription of hypoxia-responsive genes and respiratory burst oxidase homolog (RBOH)-mediated ROS production. It also altered the transcription level of alternative oxidase1a and the activity level of antioxidant enzymes. Moreover, waterlogging increased the transcription levels of autophagy-related (
Identifiants
pubmed: 31031792
doi: 10.3389/fpls.2019.00468
pmc: PMC6470631
doi:
Types de publication
Journal Article
Langues
eng
Pagination
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