Uba1 functions in Atg7- and Atg3-independent autophagy.
Uba1 functions in Atg7- and Atg3-independent autophagy.
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DOI:
10.1038/ncb2804
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发表时间:
2013-09
影响因子:
21.3
通讯作者:
中科院分区:
文献类型:
--
作者:
Autophagy is a conserved process that delivers components of the cytoplasm to lysosomes for degradation. The E1 and E2 enzymes encoded by Atg7 and Atg3 are thought to be essential for autophagy involving the ubiquitin-like protein Atg8. Here, we describe an Atg7- and Atg3-independent autophagy pathway that facilitates programmed reduction of cell size during intestine cell death. Although multiple components of the core autophagy pathways, including Atg8, are required for autophagy and cells to shrink in the midgut of the intestine, loss of either Atg7 or Atg3 function does not influence these cellular processes. Rather, Uba1, the E1 used in ubiquitination, is required for autophagy and reduction of cell size. Our data reveal that distinct autophagy programs are used by different cells within an animal, and disclose an unappreciated role for ubiquitin activation in autophagy.
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影响因子:
7.8
作者:
HARDING, TM;MORANO, KA;SCOTT, SV;KLIONSKY, DJ
通讯作者:
KLIONSKY, DJ
DOI:
10.1083/jcb.201009067
发表时间:
2011-01-10
期刊:
The Journal of cell biology
影响因子:
--
作者:
Itakura E;Mizushima N
通讯作者:
Mizushima N
影响因子:
1.2
作者:
Micchelli, Craig A.;Sudmeier, Lisa;Beehler-Eyans, Ryan
通讯作者:
Beehler-Eyans, Ryan
DOI:
10.1073/pnas.1014156108
发表时间:
2011-01-25
影响因子:
11.1
作者:
Fujita, Ken-ichi;Maeda, Daisuke;Srinivasula, Srinivasa M.
通讯作者:
Srinivasula, Srinivasa M.
影响因子:
3.5
作者:
Hosokawa, Nao;Hara, Yukichi;Mizushima, Noboru
通讯作者:
Mizushima, Noboru