The porcine microRNA transcriptome response to transmissible gastroenteritis virus infection

PloS One
Xiao LiuYuancheng Zhou

Abstract

Transmissible gastroenteritis virus (TGEV; Coronaviridae family) causes huge economic losses to the swine industry. MicroRNAs (miRNAs) play a regulatory role in viral infection and may be involved in the mammalian immune response. Here, we report a comprehensive analysis of host miRNA expression in TGEV-infected swine testis (ST) cells. Deep sequencing generated 3,704,353 and 2,763,665 reads from uninfected ST cells and infected ST cells, respectively. The reads were aligned to known Sus scrofa pre-miRNAs in miRBase 19, identifying 284 annotated miRNAs. Certain miRNAs were differentially regulated during TGEV infection. 59 unique miRNAs displayed significant differentially expression between the normal and TGEV-infected ST cell samples: 15 miRNAs were significantly up-regulated and 44 were significantly down-regulated. Stem-loop RT-PCR was carried out to determine the expression levels of specific miRNAs in the two samples, and the results were consistent with those of sequencing. Gene ontology enrichment analysis of host target genes demonstrated that the differentially expressed miRNAs are involved in regulatory networks, including cellular process, metabolic process, immune system process. This is the first report of the ide...Continue Reading

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Citations

Nov 2, 2016·Frontiers in Veterinary Science·Mohamed SamirFrank Pessler

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Datasets Mentioned

BETA
GSE64737

Methods Mentioned

BETA
electrophoresis
PCR

Software Mentioned

PicTar
Illumina Genome Analyzer Pipeline
Solexa CHASTITY
DAVID
Mfold
Novoalign
- Basecaller

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