Generation of Recombinant Orf Virus Using an Enhanced Green Fluorescent Protein Reporter Gene As a Selectable Marker

Overview

Journal BMC Vet Res

Publisher Biomed Central

Specialty Veterinary Medicine

Date 2011 Dec 24

PMID 22192523

Citations 4

Authors

Zhangyong Ning

Yongzheng Peng

Wenbo Hao

Chaohui Duan

Daniel L Rock

Shuhong Luo

Affiliations

Soon will be listed here.

Abstract

Background: Reporter genes are often used as a selectable marker for generation of recombinant viruses in order to investigate the mechanism of pathogenesis and to obtain candidate vaccine viruses. Routine selection of the recombinant parapoxvirus is time-consuming and labor intensive. Therefore, developing a novel method for selection is critical.

Results: In this study, we developed a rapid method to generate recombinant Orf viruses (ORFV) based on the enhanced green fluorescent protein (EGFP) reporter gene as a selectable marker. The coding sequence of EGFP gene was amplified from pEGFP-N1 vector and subcloned into the pZIPPY-neo/gus plasmid under the control of the early-late vaccinia virus (VACV) VV7.5 promoter and flanked by two multiple cloning sites (MCS) to generate a novel transfer vector pSPV-EGFP. Using the pSPV-EGFP, two recombination cassettes pSPV-113LF-EGFP-113RF and pSPV-116LF-EGFP-116RF were constructed by cloning the flanking regions of the ORFV113 and ORFV116 and inserted into two MCS flanking the EGFP gene. Using this novel system, two single gene deletion mutants OV-IA82Δ113 and OV-IA82Δ116 were successfully generated.

Conclusions: This approach shortens the time needed to generate recombinant ORFVs (rORFVs). Thus, the pSPV-EGFP vector provides a direct, fast, and convenient way to manipulate the recombinant viruses, indicating that it is highly suited for its designed purpose.

Citing Articles

Recombinant Orf virus induced antibody production against capsid protein of porcine circovirus type 3 in mice.

Gao K, Li H, Lei X, Sun Z, Zheng T, Chen M Vet Res Commun. 2023; 47(4):2071-2081.

PMID: 37421550 DOI: 10.1007/s11259-023-10169-z.

The novel ORFV protein ORFV113 activates LPA-p38 signaling.

Khatiwada S, Delhon G, Chaulagain S, Rock D PLoS Pathog. 2021; 17(10):e1009971.

PMID: 34614034 PMC: 8523077. DOI: 10.1371/journal.ppat.1009971.

Genomic Characterization of Strain D1701-V () and Development of Novel Sites for Multiple Transgene Expression.

Rziha H, Buttner M, Muller M, Salomon F, Reguzova A, Laible D Viruses. 2019; 11(2).

PMID: 30704093 PMC: 6409557. DOI: 10.3390/v11020127.

Isolation and phylogenetic analysis of orf virus from the sheep herd outbreak in northeast China.

Li W, Ning Z, Hao W, Song D, Gao F, Zhao K BMC Vet Res. 2012; 8:229.

PMID: 23174032 PMC: 3561078. DOI: 10.1186/1746-6148-8-229.

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