{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T17:48:34Z","timestamp":1791222514097,"version":"4.1.0"},"reference-count":116,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2025,12,10]],"date-time":"2025-12-10T00:00:00Z","timestamp":1765324800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"name":"JSPS KAKENHI","award":["18H05501"],"award-info":[{"award-number":["18H05501"]}]},{"name":"JSPS KAKENHI","award":["24H01894"],"award-info":[{"award-number":["24H01894"]}]},{"name":"JSPS KAKENHI","award":["21K15084"],"award-info":[{"award-number":["21K15084"]}]},{"name":"JSPS KAKENHI","award":["19K16068"],"award-info":[{"award-number":["19K16068"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,3,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Mitochondrial quality control plays a critical role in maintaining cellular homeostasis by eliminating dysfunctional mitochondria. The PINK1\/Parkin-dependent mitophagy mediates the selective clearance of damaged mitochondria. Dysfunction of PINK1 and Parkin is closely linked to Parkinson's disease. Upon mitochondrial depolarization, PINK1 accumulates on the outer membrane and phosphorylates both ubiquitin and the ubiquitin-like domain of Parkin to initiate a positive feedback loop of ubiquitination. Parkin catalyzes the assembly of heterogeneous ubiquitin chains on outer mitochondrial membrane proteins, which serve as signals for autophagy adaptors. These adaptors are regulated by kinases, such as TANK-binding kinase. Deubiquitinating enzymes, such as USP30, act as negative regulators. Recent structural and biochemical studies have advanced our understanding of the PINK1\/Parkin-dependent mitophagy. Nonetheless, important questions remain regarding the regulatory mechanisms of PINK1, the catalytic mechanism of ubiquitin chain formation by Parkin and the recognition of ubiquitin chains by autophagy adaptors. Here, we review the current understanding and outstanding questions on the molecular mechanisms underlying the PINK1\/Parkin-dependent mitophagy with a focus on ubiquitin signaling.<\/jats:p>","DOI":"10.1093\/jb\/mvaf079","type":"journal-article","created":{"date-parts":[[2025,12,9]],"date-time":"2025-12-09T13:10:17Z","timestamp":1765285817000},"page":"145-154","source":"Crossref","is-referenced-by-count":19,"title":["Ubiquitin signaling in PINK1\/Parkin-dependent mitophagy"],"prefix":"10.1093","volume":"179","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8949-3750","authenticated-orcid":false,"given":"Kei","family":"Okatsu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1241-1443","authenticated-orcid":false,"given":"Shuya","family":"Fukai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2025,12,10]]},"reference":[{"key":"2026030503213308300_ref1","doi-asserted-by":"crossref","first-page":"795","DOI":"10.1083\/jcb.200809125","article-title":"Parkin is recruited selectively to impaired mitochondria and promotes their autophagy","volume":"183","author":"Narendra","year":"2008","journal-title":"J. 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