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PMID: 27418283 Published · ppublish English Journal Article Review

Role of the mammalian ATG8/LC3 family in autophagy: differential and compensatory roles in the spatiotemporal regulation of autophagy.

BMB reports ·Vol. 49 ·No. 8 ·2016-08-00 ·Pages 424-30

Lee YK, Lee JA

Abstract

Autophagy, an evolutionarily conserved cellular degradation pathway of the lysosome, is associated with many physiological and pathological processes. The hallmark of autophagy is the formation of the autophagosome that engulfs and degrades cytosolic components via its fusion with the lysosome, in either a selective or a non-selective manner. Autophagy is tightly regulated by proteins encoded by autophagy-related (atg) genes. Among these proteins, ATG8/ LC3 is essential for autophagosome biogenesis/maturation and it also functions as an adaptor protein for selective autophagy. In mammalian cells, several homologs of yeast Atg8 such as MAP1LC3, GABARAP, and GABARAPL 1/2 have been identified. However, the biological relevance of this gene diversity in higher eukaryotes, and their specific roles, are largely unknown. In this review, we describe the mammalian ATG8/LC3 family and discuss recent advancements in understanding their roles in the autophagic process. [BMB Reports 2016; 49(8): 424-430].

MeSH Terms
Animals Autophagy Autophagy-Related Protein 8 Family/chemistry,metabolism Humans Mammals/metabolism Microtubule-Associated Proteins/chemistry,metabolism Models, Biological Protein Domains
Chemicals
Autophagy-Related Protein 8 Family Microtubule-Associated Proteins
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Lee You-Kyung
Department of Biological Sciences and Biotechnology, College of Life Sciences and Nanotechnology, Hannam University, Daejeon 34054, Korea.
Lee Jin-A
Department of Biological Sciences and Biotechnology, College of Life Sciences and Nanotechnology, Hannam University, Daejeon 34054, Korea.
References (44)
44 references, click to expand
  1. How to control self-digestion: transcriptional, post-transcriptional, and post-translational regulation of autophagy.
    Trends Cell Biol. 2015 Jun;25(6):354-63 PMID: 25759175
  2. Identification and characterization of an early estrogen-regulated RNA in cultured guinea-pig endometrial cells.
    Mol Cell Endocrinol. 1993 Jan;90(2):R17-21 PMID: 8495796
  3. Autophagy driven by a master regulator of hematopoiesis.
    Mol Cell Biol. 2012 Jan;32(1):226-39 PMID: 22025678
  4. GABARAP-mediated targeting of PI4K2A/PI4KIIα to autophagosomes regulates PtdIns4P-dependent autophagosome-lysosome fusion.
    Autophagy. 2015 Nov 2;11(11):2127-2129 PMID: 26391226
  5. Alteration of autophagosomal proteins in the brain of multiple system atrophy.
    Neurobiol Dis. 2013 Jan;49:190-8 PMID: 22959883
  6. Regulation of the autophagy protein LC3 by phosphorylation.
    J Cell Biol. 2010 Aug 23;190(4):533-9 PMID: 20713600
  7. Interactions between autophagy receptors and ubiquitin-like proteins form the molecular basis for selective autophagy.
    Mol Cell. 2014 Jan 23;53(2):167-78 PMID: 24462201
  8. Autophagy: from phenomenology to molecular understanding in less than a decade.
    Nat Rev Mol Cell Biol. 2007 Nov;8(11):931-7 PMID: 17712358
  9. GABAA receptor associated proteins: a key factor regulating GABAA receptor function.
    J Neurochem. 2007 Jan;100(2):279-94 PMID: 17083446
  10. Secretory autophagy.
    Curr Opin Cell Biol. 2015 Aug;35:106-16 PMID: 25988755
  11. Activation of ULK Kinase and Autophagy by GABARAP Trafficking from the Centrosome Is Regulated by WAC and GM130.
    Mol Cell. 2015 Dec 17;60(6):899-913 PMID: 26687599
  12. ATG8 family proteins act as scaffolds for assembly of the ULK complex: sequence requirements for LC3-interacting region (LIR) motifs.
    J Biol Chem. 2012 Nov 16;287(47):39275-90 PMID: 23043107
  13. Autophagosome formation: core machinery and adaptations.
    Nat Cell Biol. 2007 Oct;9(10):1102-9 PMID: 17909521
  14. Deacetylation of nuclear LC3 drives autophagy initiation under starvation.
    Mol Cell. 2015 Feb 5;57(3):456-66 PMID: 25601754
  15. Structural determinants in GABARAP required for the selective binding and recruitment of ALFY to LC3B-positive structures.
    EMBO Rep. 2014 May;15(5):557-65 PMID: 24668264
  16. LC3, GABARAP and GATE16 localize to autophagosomal membrane depending on form-II formation.
    J Cell Sci. 2004 Jun 1;117(Pt 13):2805-12 PMID: 15169837
  17. The mechanism and physiological function of macroautophagy.
    J Innate Immun. 2013;5(5):427-33 PMID: 23774579
  18. Regulation of autophagy by the p300 acetyltransferase.
    J Biol Chem. 2009 Mar 6;284(10 ):6322-8 PMID: 19124466
  19. Phosphorylation of LC3 by the Hippo kinases STK3/STK4 is essential for autophagy.
    Mol Cell. 2015 Jan 8;57(1):55-68 PMID: 25544559
  20. FYCO1 is a Rab7 effector that binds to LC3 and PI3P to mediate microtubule plus end-directed vesicle transport.
    J Cell Biol. 2010 Jan 25;188(2):253-69 PMID: 20100911
  21. Mulan E3 ubiquitin ligase interacts with multiple E2 conjugating enzymes and participates in mitophagy by recruiting GABARAP.
    Cell Signal. 2014 Dec;26(12 ):2921-9 PMID: 25224329
  22. The LC3 interactome at a glance.
    J Cell Sci. 2014 Jan 1;127(Pt 1):3-9 PMID: 24345374
  23. MAPK15/ERK8 stimulates autophagy by interacting with LC3 and GABARAP proteins.
    Autophagy. 2012 Dec;8(12 ):1724-40 PMID: 22948227
  24. GATE-16, a membrane transport modulator, interacts with NSF and the Golgi v-SNARE GOS-28.
    EMBO J. 2000 Apr 3;19(7):1494-504 PMID: 10747018
  25. The crystal structure of microtubule-associated protein light chain 3, a mammalian homologue of Saccharomyces cerevisiae Atg8.
    Genes Cells. 2004 Jul;9(7):611-8 PMID: 15265004
  26. The Atg8 family: multifunctional ubiquitin-like key regulators of autophagy.
    Essays Biochem. 2013;55:51-64 PMID: 24070471
  27. Cloning, expression patterns, and chromosome localization of three human and two mouse homologues of GABA(A) receptor-associated protein.
    Genomics. 2001 Jun 15;74(3):408-13 PMID: 11414770
  28. TECPR2 Cooperates with LC3C to Regulate COPII-Dependent ER Export.
    Mol Cell. 2015 Oct 1;60(1):89-104 PMID: 26431026
  29. Digesting the Expanding Mechanisms of Autophagy.
    Trends Cell Biol. 2016 Aug;26(8):624-35 PMID: 27050762
  30. The LIR motif - crucial for selective autophagy.
    J Cell Sci. 2013 Aug 1;126(Pt 15):3237-47 PMID: 23908376
  31. Specific regional distribution of gec1 mRNAs in adult rat central nervous system.
    Brain Res. 2008 May 19;1210:103-15 PMID: 18423580
  32. Autophagy negatively regulates Wnt signalling by promoting Dishevelled degradation.
    Nat Cell Biol. 2010 Aug;12 (8):781-90 PMID: 20639871
  33. An Atg4B mutant hampers the lipidation of LC3 paralogues and causes defects in autophagosome closure.
    Mol Biol Cell. 2008 Nov;19(11):4651-9 PMID: 18768752
  34. GABARAP: lessons for synaptogenesis.
    Neuroscientist. 2003 Jun;9(3):205-16 PMID: 15065816
  35. Rab GTPase-activating proteins in autophagy: regulation of endocytic and autophagy pathways by direct binding to human ATG8 modifiers.
    Mol Cell Biol. 2012 May;32(9):1733-44 PMID: 22354992
  36. iLIR: A web resource for prediction of Atg8-family interacting proteins.
    Autophagy. 2014 May;10 (5):913-25 PMID: 24589857
  37. MiR-204 regulates cardiomyocyte autophagy induced by ischemia-reperfusion through LC3-II.
    J Biomed Sci. 2011 Jun 01;18:35 PMID: 21631941
  38. Autophagy and human disease: emerging themes.
    Curr Opin Genet Dev. 2014 Jun;26:16-23 PMID: 24907664
  39. GABARAPL1 (GEC1): original or copycat?
    Autophagy. 2011 Oct;7(10):1098-107 PMID: 21597319
  40. Microtubule-associated protein 1 light chain 3 alpha (LC3)-associated phagocytosis is required for the efficient clearance of dead cells.
    Proc Natl Acad Sci U S A. 2011 Oct 18;108(42):17396-401 PMID: 21969579
  41. Autophagy of cytoplasmic bulk cargo does not require LC3.
    Autophagy. 2016;12 (2):439-41 PMID: 26237084
  42. PLEKHM1 regulates autophagosome-lysosome fusion through HOPS complex and LC3/GABARAP proteins.
    Mol Cell. 2015 Jan 8;57(1):39-54 PMID: 25498145
  43. The machinery of macroautophagy.
    Cell Res. 2014 Jan;24(1):24-41 PMID: 24366339
  44. LC3 and GATE-16/GABARAP subfamilies are both essential yet act differently in autophagosome biogenesis.
    EMBO J. 2010 Jun 2;29(11):1792-802 PMID: 20418806
Article Info
Journal
BMB reports
Abbr.
BMB Rep
ISSN
1976-670X
Published
2016-08-00
Pages
424-30
Language
English
Region
Korea (South)
NLM ID
101465334
PMCID
PMC5070729
Subset
IM
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