Journal
JOURNAL OF CELL BIOLOGY
Volume 198, Issue 2, Pages 151-153Publisher
ROCKEFELLER UNIV PRESS
DOI: 10.1083/jcb.201206119
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Funding
- Cancer Research UK Funding Source: Medline
- Cancer Research UK [15153] Funding Source: researchfish
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Rapid membrane expansion is the key to autophagosome formation during nutrient starvation. In this issue, Yamamoto et al. (2012. J. Cell Biol. http://dx.doi.org/10.1083/jcb.201202061) now provide a mechanism for vesicle-mediated initiation of autophagosome biogenesis. They show that Atg9 vesicles, produced de novo during starvation, are similar to 30-60 nm in size and contain similar to 30 molecules of Atg9. These vesicles assemble to form an autophagosome, and subsequently, the Atg9 embedded in the outer membrane is recycled to avoid degradation.
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