期刊
VIRUS RESEARCH
卷 170, 期 1-2, 页码 59-65出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.virusres.2012.08.018
关键词
Foot-mouth disease virus (FMDV); N-myc and STAT interactor Nmi; Foot-mouth disease virus 2C; Apoptosis
类别
资金
- National Natural Science Foundation of China [30725026, 31072117]
- National Basic Research Program of China [2006CB504303]
Foot-and-mouth disease virus (FMDV) 2C, is one of the most highly-conserved viral proteins among the serotypes of FMDV. However, its effect on host cells is not very clear. Using yeast two-hybrid system and immunoprecipitation approaches, we found that FMDV 2C interacted with the N-myc and STAT interactor (Nmi) protein. When expressed in cells, FMDV 2C is mainly associated with endoplasmic reticulum in the forms of speckles. In the absence of FMDV 2C, Nmi was distributed diffusely in the cytoplasm. However, upon FMDV 2C overexpression Nmi was recruited into FMDV 2C containing speckles where both proteins are co-localized. In addition, FMDV 2C induced apoptosis in BHK-21 cells, which was markedly inhibited by Nmi knockdown, suggesting that Nmi may play a critical role in FMDV 2C-induced apoptosis. These findings may help to further understand the molecular mechanism of pathogenesis of FMDV infection. (c) 2012 Elsevier B.V. All rights reserved.
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