نتایج جستجو برای: nsp4
تعداد نتایج: 349 فیلتر نتایج به سال:
We established a rapid, specific technique for detecting alphaviruses using a replicon-defective reporter gene assay derived from the Sindbis virus XJ-160. The pVaXJ expression vector containing the XJ-160 genome was engineered to form the expression vectors pVaXJ-EGFP expressing enhanced green fluorescence protein (EGFP) or pVaXJ-GLuc expressing Gaussia luciferase (GLuc). The replicon-defectiv...
The processing of the Sindbis virus nonstructural polyprotein translated in vitro has been studied. When Sindbis virus genomic RNA was translated in a reticulocyte lysate, polyprotein P123 was cleaved efficiently to produce nsP1, nsP2, and nsP3. Inhibition of this processing by anti-nsP2 antibodies, but not by antibodies specific for nsP1, nsP3, or nsP4, suggested that the viral proteinase was ...
The final assembly of rotavirus particles takes place in the endoplasmic reticulum (ER). In this work, we evaluated by RNA interference the relevance to rotavirus assembly and infectivity of grp78, protein disulfide isomerase (PDI), grp94, calnexin, calreticulin, and ERp57, members of the two ER folding systems described herein. Silencing the expression of grp94 and Erp57 had no effect on rotav...
Because of their similarities to infants in mucosal immune responses and their susceptibility to human rotavirus (HRV) diarrhea, gnotobiotic pigs provide a useful model for rotaviral disease. In this study, we performed quantitative enzyme-linked immunospot (ELISPOT) assays to measure local and systemic isotype-specific antibody-secreting cell (ASC) responses to individual structural (VP4, VP6,...
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