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Open Access Short report

Replication kinetics of duck enteritis virus UL16 gene in vitro

Qin He13, Anchun Cheng123*, Mingshu Wang123*, Jun Xiang13, Dekang Zhu23, Yi Zhou3, Renyong Jia123, Shun Chen123, Zhengli Chen3 and Xiaoyue Chen23

Author Affiliations

1 Institute of Preventive Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu city, Sichuan, 611130, P.R.China

2 Avian Disease Research Center, College of Veterinary Medicine of Sichuan Agricultural University, 46# Xinkang Road, Ya’an, Sichuan, 625014, P.R.China

3 Key Laboratory of Animal Disease and Human Health of Sichuan Province, Sichuan Agricultural University, Wenjiang, Chengdu city, Sichuan, 611130, P.R.China

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Virology Journal 2012, 9:281  doi:10.1186/1743-422X-9-281

Published: 21 November 2012

Abstract

Background

The function and kinetics of some herpsvirus UL16 gene have been reported. But there was no any report of duck enteritis virus (DEV) UL16 gene.

Findings

The kinetics of DEV UL16 gene was examined in DEV CHv infected duck embryo fibroblasts (DEFs) by establishment of real-time quantitative reverse transcription polymerase chain reaction assay (qRT-PCR) and western-blotting. In this study, UL16 mRNA was transcript at a low level from 0–18 h post-infection (p.i), and peaked at 36 h p.i. It can’t be detected in the presence of acyclovir (ACV). Besides, western-blotting analysis showed that UL16 gene expressed as an apparent 40-KDa in DEV infected cell lysate from 12 h p.i, and rose to peak level at 48 h p.i consistent with the qRT-PCR result.

Conclusions

These results provided the first evidence of the kinetics of DEV UL16 gene. DEV UL16 gene was a late gene and dependent on viral DNA synthesis.