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. 2020 Dec 14;9(12):1771. doi: 10.3390/plants9121771

Figure 1.

Figure 1

Working model for plant endoplasmic reticulum (ER)-phagy. Multiple receptors function in selecting ER for autophagic degradation: (1) reticulon (Rtn) proteins can remodel ER structure and select ER for degradation during ER stress via binding to highly curved membranes; (2) ATG8-Interacting (ATI) proteins function in dark stress-mediated ER-phagy; (3) SEC62 acts as a receptor for ER-phagy during ER stress; (4) C53-mediated ER-phagy is triggered by stalled ribosomes on the ER. Black dots on the ER denote ribosomes. Potential regulators are shown in green.