4.5 Review

Crossing paths: recent insights in the interplay between autophagy and intracellular trafficking in plants

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Summary: The study uncovered an atypical interaction mode of Arabidopsis ATG8f with the plant unique adaptor protein SH3P2, showing unique conformational changes in ATG8f upon binding to the AIM sequence of the autophagic receptor NBR1. Additionally, the gel filtration assay revealed that the ubiquitin-associated domain of NBR1 outcompetes the SH3 domain of SH3P2 for ATG8f interaction. Biochemical and cellular analysis demonstrated distinct interfaces used by ATG8f to interact with NBR1 and SH3P2.

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