FATTY ACYLATION PROMOTES FUSION OF TRANSPORT VESICLES WITH GOLGI CISTERNAE

被引:116
作者
PFANNER, N [1 ]
GLICK, BS [1 ]
ARDEN, SR [1 ]
ROTHMAN, JE [1 ]
机构
[1] PRINCETON UNIV,DEPT BIOL,PRINCETON,NJ 08544
关键词
D O I
10.1083/jcb.110.4.955
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Two different methods, stimulation of transport by fatty acyl-coenzyme A (CoA) and inhibition of transport by a nonhydrolyzable analogue of palmitoyl-CoA, reveal that fatty acylation is required to promote fusion of transport vesicles with Golgi cisternae. Specifically, fatty acyl-CoA is needed after the attachment of coated vesicles and subsequent uncoating of the vesicles, and after the binding of the NEM-sensitive fusion protein (NSF) to the membranes, but before the actual fusion event. We therefore suggest that an acylated transport component participates, directly or indirectly, in membrane fusion.
引用
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页码:955 / 961
页数:7
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