J
Jack-Ansgar Bruun
Researcher at University of Tromsø
Publications - 33
Citations - 10440
Jack-Ansgar Bruun is an academic researcher from University of Tromsø. The author has contributed to research in topics: Autophagy & Ubiquitin. The author has an hindex of 17, co-authored 30 publications receiving 9390 citations.
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Journal ArticleDOI
p62/SQSTM1 Binds Directly to Atg8/LC3 to Facilitate Degradation of Ubiquitinated Protein Aggregates by Autophagy
Serhiy Pankiv,Terje Høyvarde Clausen,Trond Lamark,Andreas Brech,Jack-Ansgar Bruun,Heidi Outzen,Aud Øvervatn,Geir Bjørkøy,Terje Johansen +8 more
TL;DR: It is demonstrated that the previously reported aggresome-like induced structures containing ubiquitinated proteins in cytosolic bodies are dependent on p62 for their formation and p62 is required both for the formation and the degradation of polyubiquitin-containing bodies by autophagy.
p62/SQSTM1 Binds Directly to Atg8/LC3 to Facilitate Degradation of Ubiquitinated Protein Aggregates
Serhiy Pankiv,Terje Høyvarde Clausen,Trond Lamark,Andreas Brech,Jack-Ansgar Bruun,Heidi Outzen,Aud Øvervatn,Geir Bjørkøy,Terje Johansen,Fromthe ‡ BiochemistryDepartment +9 more
TL;DR: In this article, the authors showed that the polyubiquitin-binding protein p62/SQSTM1 is degraded by autophagy by using a 22-residue sequence of p62 containing an evolutionarily conserved motif.
Journal ArticleDOI
A Role for NBR1 in Autophagosomal Degradation of Ubiquitinated Substrates
Vladimir Kirkin,Trond Lamark,Yu-shin Sou,Geir Bjørkøy,Jennifer L. Nunn,Jack-Ansgar Bruun,Elena Shvets,David G. McEwan,Terje Høyvarde Clausen,Philipp Wild,Ivana Bilusic,Jean Philippe Theurillat,Aud Øvervatn,Tetsuro Ishii,Zvulun Elazar,Masaaki Komatsu,Ivan Dikic,Terje Johansen +17 more
TL;DR: NBR1 (neighbor of BRCA1 gene 1) is an autophagy receptor containing LC3- and ubiquitin (Ub)-binding domains and it is proposed that NBR1 and p62 act as receptors for selective autophagosomal degradation of ubiquitinated targets.
Journal ArticleDOI
FYCO1 is a Rab7 effector that binds to LC3 and PI3P to mediate microtubule plus end–directed vesicle transport
Serhiy Pankiv,Endalkachew Ashenafi Alemu,Andreas Brech,Jack-Ansgar Bruun,Trond Lamark,Aud Øvervatn,Geir Bjørkøy,Geir Bjørkøy,Terje Johansen +8 more
TL;DR: FYCO1 recognition of LC3 on autophagosomes facilitates microtubule-mediated cytosolic transport of this degradative organelle.
Journal ArticleDOI
TBK-1 Promotes Autophagy-Mediated Antimicrobial Defense by Controlling Autophagosome Maturation
Manohar Pilli,John Arko-Mensah,Marisa Ponpuak,Marisa Ponpuak,Esteban A. Roberts,Sharon Master,Michael A. Mandell,Nicolas Dupont,Wojciech Ornatowski,Shanya Jiang,Steven B. Bradfute,Jack-Ansgar Bruun,Tom Egil Hansen,Terje Johansen,Vojo Deretic +14 more
TL;DR: TBK-1 is a key regulator of immunological autophagy and is responsible for the maturation of autophagosomes into lytic bactericidal organelles.