Chin Bull Bot ›› 2019, Vol. 54 ›› Issue (1): 81-92.doi: 10.11983/CBB18012

• SPECIAL TOPICS • Previous Articles     Next Articles

Advances in the Regulation on Autophagy by Reactive Oxygen Species in Plant Cells

Ma Danying,Ji Dongchao,Xu Yong,Chen Tong(),Tian Shiping   

  1. Key Laboratory of Plant Resources, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China
  • Received:2018-01-12 Accepted:2018-03-13 Online:2019-07-31 Published:2019-01-01
  • Contact: Chen Tong


Damaged proteins, organelles or exogenous substances are engulfed in double membrane vesicles and delivered to the lysosome (vacuoles) for degradation and recycled in eukaryotes. This highly conserved biological process is called autophagy. Reactive oxygen species (ROS) are byproducts of cellular aerobic metabolism, which are widely involved in the regulating different biological processes as signaling molecules. Recent evidence suggests a strong link between autophagy and ROS in plants. Here, we summarize the types and roles of ROS and describe the molecular mechanism of autophagy according to the latest research in plants. The effect of ROS on regulation of autophagy is mainly discussed.

Key words: autophagy, reactive oxygen species, regulation

Figure 1

Different reactive oxygen species (ROS) sources control autophagy in plant cells (modified from Pérez-Pérez et al., 2012b) ROS can be generated by plasma membrane-localized NOX and different organelles, including chloroplast, mitochondria, peroxisome, and endoplasmic reticulum. Excess ROS then induce autophagy, which contributes to down-regulate ROS production and remove damaged cellular components. NADPH: Reduced nicotinamide adenine dinucleotide phosphate; O2: Dioxygen; O2·-: Superoxide anion; H2O2: Hydrogen peroxide; 1O2: Singlet oxygen"

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