2023
ATG9 vesicles comprise the seed membrane of mammalian autophagosomes
Olivas T, Wu Y, Yu S, Luan L, Choi P, Guinn E, Nag S, De Camilli P, Gupta K, Melia T. ATG9 vesicles comprise the seed membrane of mammalian autophagosomes. Journal Of Cell Biology 2023, 222: e202208088. PMID: 37115958, PMCID: PMC10148236, DOI: 10.1083/jcb.202208088.Peer-Reviewed Original ResearchConceptsAtg9 vesiclesMammalian autophagosomesStyrene maleic acid lipid particlesLipid scramblase activityLC3-IIAutophagosomes formAutophagosome membraneMature autophagosomesScramblase activityAutophagosome formationAtg9Lipid transportMembrane growthAutophagosomesNanoscale organizationProtein-mediated transferProteinMembrane surface areaOrganellesVesiclesSeed membraneMembraneLipid particlesLipidsDifferent stages
2021
Insights into VPS13 properties and function reveal a new mechanism of eukaryotic lipid transport
Leonzino M, Reinisch KM, De Camilli P. Insights into VPS13 properties and function reveal a new mechanism of eukaryotic lipid transport. Biochimica Et Biophysica Acta (BBA) - Molecular And Cell Biology Of Lipids 2021, 1866: 159003. PMID: 34216812, PMCID: PMC8325632, DOI: 10.1016/j.bbalip.2021.159003.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAutophagosomesAutophagy-Related ProteinsCryoelectron MicroscopyDisease Models, AnimalEukaryotic CellsHeredodegenerative Disorders, Nervous SystemHumansHydrophobic and Hydrophilic InteractionsLipid BilayersLipid MetabolismMitochondrial MembranesMutationProtein DomainsStructure-Activity RelationshipVesicular Transport ProteinsYeastsConceptsLipid transportMembrane contact sitesDomain protein familyOccurrence of proteinsVPS13 proteinsEukaryotic cellsNumerous proteinsProtein familyIntracellular membranesProtein bridgeHydrophobic grooveContact sitesMembrane growthLipid transferBilayer lipidsNovel mechanismVps13New mechanismProteinLipidsAtg2OrganellesAdjacent bilayersDiscoveryMechanism