Figure (IMAGE) Osaka University Caption Upon autophagy induction, ZDHHC13 is recruited to autophagosome formation sites together with ATG9A. ULK1 is palmitoylated at Cys927 and Cys1003 residues by ZDHHC13, and the ULK1 complex are anchored to an autophagosome formation site. The palmitoylation of ULK1 promotes phosphorylation of ATG14L which leads VPS34 activation. Activated PI3-kinase complex produces PI3P at autophagosome formation sites. These sequential reactions trigger efficient autophagy induction. Credit Keisuke Tabata Usage Restrictions Credit must be given to the creator. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.