Title : A new role for ATM in selective autophagy of peroxisomes (pexophagy).

Pub. Date : 2016

PMID : 27050462






2 Functional Relationships(s)
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1 In response to ROS, the ATM kinase is activated and performs 2 functions: i) it signals to AMPK, which activates TSC2 to suppresses MTORC1 and phosphorylates ULK1 to induce autophagy, and ii) targets specific peroxisomes for pexophagy by phosphorylating PEX5 at Ser141, which triggers ubiquitination of PEX5 at Lys209 and binding of the autophagy receptor protein SQSTM1/p62 to induce pexophagy. Reactive Oxygen Species sequestosome 1 Homo sapiens
2 In response to ROS, the ATM kinase is activated and performs 2 functions: i) it signals to AMPK, which activates TSC2 to suppresses MTORC1 and phosphorylates ULK1 to induce autophagy, and ii) targets specific peroxisomes for pexophagy by phosphorylating PEX5 at Ser141, which triggers ubiquitination of PEX5 at Lys209 and binding of the autophagy receptor protein SQSTM1/p62 to induce pexophagy. Reactive Oxygen Species sequestosome 1 Homo sapiens