The ORF5 protein of porcine circovirus type 2 enhances viral replication by dampening type I interferon expression in porcine epithelial cells

Chang Yong Choi, Yong Chan Choi, In Byung Park, Chang Hee Lee, Seok Jin Kang, Taehoon Chun

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Identifying the functional role of each porcine circovirus type 2 (PCV2) ORF associated with host cell modulation might provide better knowledge about the pathogenesis of postweaning multisystemic wasting syndrome (PMWS). PCV2 ORF5 was recently identified and the functional role of ORF5 during pathogenesis after PCV2 infection is largely unknown. In this study, we used RNA-seq to investigate the functional role of PCV2 ORF5 in PCV2-infected porcine epithelial cells. Our data demonstrates that PCV2 ORF5 could inhibit type I interferon (IFN) expression via transcriptional repression of genes involved in type I IFN production, thus enhancing replication of PCV2 in porcine epithelial cells. Therefore, PCV2 ORF5 might have an inhibitory role against host immune surveillance.

Original languageEnglish
Pages (from-to)50-58
Number of pages9
JournalVeterinary Microbiology
Volume226
DOIs
Publication statusPublished - 2018 Nov 1

Fingerprint

Circovirus
Interferon Type I
Porcine circovirus-2
interferons
virus replication
epithelial cells
Swine
Epithelial Cells
swine
Proteins
proteins
Circoviridae Infections
pathogenesis
Wasting Syndrome
postweaning multisystemic wasting syndrome
Open Reading Frames
open reading frames
RNA
monitoring

Keywords

  • Epithelial cell
  • ORF5
  • Porcine circovirus type 2 (PCV2)
  • RNA-seq
  • Type I IFN

ASJC Scopus subject areas

  • Microbiology
  • veterinary(all)

Cite this

The ORF5 protein of porcine circovirus type 2 enhances viral replication by dampening type I interferon expression in porcine epithelial cells. / Choi, Chang Yong; Choi, Yong Chan; Park, In Byung; Lee, Chang Hee; Kang, Seok Jin; Chun, Taehoon.

In: Veterinary Microbiology, Vol. 226, 01.11.2018, p. 50-58.

Research output: Contribution to journalArticle

Choi, Chang Yong ; Choi, Yong Chan ; Park, In Byung ; Lee, Chang Hee ; Kang, Seok Jin ; Chun, Taehoon. / The ORF5 protein of porcine circovirus type 2 enhances viral replication by dampening type I interferon expression in porcine epithelial cells. In: Veterinary Microbiology. 2018 ; Vol. 226. pp. 50-58.
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