期刊
JOURNAL OF VIROLOGY
卷 89, 期 2, 页码 1474-1478出版社
AMER SOC MICROBIOLOGY
DOI: 10.1128/JVI.02215-14
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资金
- National Institutes of Health T32 training grant [AI007536]
We have previously shown that ablation of the three N-linked glycosylation sites in the West Nile virus NS1 protein completely attenuates mouse neuroinvasiveness (> 1,000,000 PFU). Here, we compared the replication of the NS1(130-132QQA/175A/207A) mutant to that of the parental NY99 strain in monkey kidney Vero cells. The results suggest that the mechanism of attenuation is a lack of NS1 glycosylation, which blocks efficient replication, maturation, and NS1 secretion from the endoplasmic reticulum and results in changes to the virus-induced ultrastructure.
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