A role for H/ACA and C/D small nucleolar RNAs in viral replication.
A role for H/ACA and C/D small nucleolar RNAs in viral replication.
复制标题
H/ACA和C/D小核仁RNA在病毒复制中的作用。
DOI:
10.1007/s12033-013-9730-0
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发表时间:
2014-05
影响因子:
2.6
通讯作者:
Rubin DH
中科院分区:
文献类型:
--
作者:
Murray JL;Sheng J;Rubin DH
We have employed gene-trap insertional mutagenesis to identify candidate genes whose disruption confer phenotypic resistance to lytic infection, in independent studies using 12 distinct viruses and several different cell lines. Analysis of >2,000 virus-resistant clones revealed >1,000 candidate host genes, approximately 20 % of which were disrupted in clones surviving separate infections with 2–6 viruses. Interestingly, there were 83 instances in which the insertional mutagenesis vector disrupted transcripts encoding H/ACA-class and C/D-class small nucleolar RNAs (SNORAs and SNORDs, respectively). Of these, 79 SNORAs and SNORDs reside within introns of 29 genes (predominantly protein-coding), while 4 appear to be independent transcription units. siRNA studies targeting candidate SNORA/Ds provided independent confirmation of their roles in infection when tested against cowpox virus, Dengue Fever virus, influenza A virus, human rhinovirus 16, herpes simplex virus 2, or respiratory syncytial virus. Significantly, eight of the nine SNORA/Ds targeted with siRNAs enhanced cellular resistance to multiple viruses suggesting widespread involvement of SNORA/Ds in virus–host interactions and/or virus-induced cell death.
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