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Autophagy in Plants

Authors
Il Kwon, SoonPark, Ohkmae K.
Issue Date
30-9월-2008
Publisher
SPRINGER HEIDELBERG
Keywords
autophagy; autophagosome; lysosome; vacuole; Arabidopsis
Citation
JOURNAL OF PLANT BIOLOGY, v.51, no.5, pp.313 - 320
Indexed
SCIE
SCOPUS
KCI
Journal Title
JOURNAL OF PLANT BIOLOGY
Volume
51
Number
5
Start Page
313
End Page
320
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/122690
ISSN
1226-9239
Abstract
Autophagy is a highly conserved processing mechanism in eukaryotes whereby cytoplasmic components are engulfed in double-membrane vesicles called autophagosomes and are delivered into organelles such as lysosomes (mammal) or vacuoles (yeast/plant) for degradation and recycling of the resulting molecules. Isolation of yeast AUTOPHAGY (ATG) genes has facilitated the identification of corresponding Arabidopsis ATG genes based on sequence similarity. Genetic and molecular analyses using knockout and/or knockdown mutants of those genes have unraveled the biological functions of autophagy during plant development, nutrient recycling, and environmental stress responses. Additional roles for autophagy have been suggested in the degradation of oxidized proteins during oxidative stress and the regulation of hypersensitive response (HR)-programmed cell death (PCD) during innate immunity. Our review summarizes knowledge about the structure and function of autophagic pathways and ATG components, and the biological roles of autophagy in plants.
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