Global Profiling of the Cellular Alternative RNA Splicing Landscape during Virus-Host Interactions.

Global Profiling of the Cellular Alternative RNA Splicing Landscape during Virus-Host Interactions.
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DOI:
10.1371/journal.pone.0161914
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发表时间:
2016
期刊:
影响因子:
3.7
通讯作者:
Bisaillon M
Bisaillon M
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Boudreault S;Martenon-Brodeur C;Caron M;Garant JM;Tremblay MP;Armero VE;Durand M;Lapointe E;Thibault P;Tremblay-Létourneau M;Perreault JP;Scott MS;Lemay G;Bisaillon M

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Alternative splicing (AS) is a central mechanism of genetic regulation which modifies the sequence of RNA transcripts in higher eukaryotes. AS has been shown to increase both the variability and diversity of the cellular proteome by changing the composition of resulting proteins through differential choice of exons to be included in mature mRNAs. In the present study, alterations to the global RNA splicing landscape of cellular genes upon viral infection were investigated using mammalian reovirus as a model. Our study provides the first comprehensive portrait of global changes in the RNA splicing signatures that occur in eukaryotic cells following infection with a human virus. We identify 240 modified alternative splicing events upon infection which belong to transcripts frequently involved in the regulation of gene expression and RNA metabolism. Using mass spectrometry, we also confirm modifications to transcript-specific peptides resulting from AS in virus-infected cells. These findings provide additional insights into the complexity of virus-host interactions as these splice variants expand proteome diversity and function during viral infection.
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