Reconstitution of autophagosome nucleation defines Atg9 vesicles as seeds for membrane formation
Author(s) -
Justyna SawaMakarska,
Verena Baumann,
Nicolas Coudevylle,
Sören von Bülow,
Veronika Nogellova,
Christine Abert,
Martina Schuschnig,
Martin Graef,
Gerhard Hummer,
Sascha Martens
Publication year - 2020
Publication title -
science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 12.556
H-Index - 1186
eISSN - 1095-9203
pISSN - 0036-8075
DOI - 10.1126/science.aaz7714
Subject(s) - atg8 , microbiology and biotechnology , autophagy , autophagosome , lipid anchored protein , endoplasmic reticulum , vesicle , chemistry , phosphatidylinositol , biology , membrane , biochemistry , kinase , apoptosis
Reconstituting autophagosome nucleation To stay healthy, our cells must constantly dispose of harmful material. Autophagy, or self-eating, is an important mechanism to ensure the clearance of bulky material. Such material is enwrapped by cellular membranes to form autophagosomes, the contents of which are then degraded. The formation of autophagosomes is a complicated process involving a large number of factors. How they act together in this process is still enigmatic. Sawa-Makarskaet al. recapitulated the initial steps of autophagosome formation using purified autophagy factors from yeast. This approach elucidated some of the organizational principles of the autophagy machinery during the assembly of autophagosomes.Science , this issue p.eaaz7714
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