The coordination of membrane fission and fusion at the end of autophagosome maturation.

The coordination of membrane fission and fusion at the end of autophagosome maturation.
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DOI:
10.1016/j.ceb.2017.03.010
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发表时间:
2017-08
影响因子:
7.5
通讯作者:
Melia TJ
Melia TJ
中科院分区:
生物学2区
文献类型:
--
作者:
Yu S;Melia TJ

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The two major objectives of macroautophagy are to sequester cargo away from the cytoplasm and deliver this material for breakdown in the lysosome. Sequestration is complete when the autophagosome membrane undergoes fission to produce separate inner and outer membranes, while delivery into the lysosome requires fusion of the outer autophagosome membrane with the lysosome membrane. Thus, the merging of membranes through fission and fusion underlies each of the pivotal events in macroautophagic clearance. How these merging events are controlled in the cell is poorly understood. Several recent studies however suggest that the two events may be temporally coordinated and rely upon members of the classic membrane fusion SNARE family as well as the autophagy-specific family of Atg8 proteins.
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