Identification of three immediate-early genes of white spot syndrome virus

Identification of three immediate-early genes of white spot syndrome virus Viral immediate-early (IE) genes generally encode regulatory proteins that are critical for viral replication. Their transcription, which is independent of de novo viral protein synthesis, is driven directly by host transcription factors. In this study, we examined promoter activities of 12 predicted regulatory genes of white spot syndrome virus (WSSV) belonging to the zinc finger protein family by EGFP-reporter assays in High Five cells. The results showed that the promoters of three genes (wsv056, wsv403 and wsv465) could drive reporter gene expression, and RT-PCR analysis revealed that their expression in WSSV-infected primary crayfish hemocytes was insensitive to the protein synthesis inhibitor cycloheximide (CHX). Therefore, they are IE genes of WSSV. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Identification of three immediate-early genes of white spot syndrome virus

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Publisher
Springer Vienna
Copyright
Copyright © 2011 by Springer-Verlag
Subject
Biomedicine; Infectious Diseases; Medical Microbiology; Virology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-011-1004-1
Publisher site
See Article on Publisher Site

Abstract

Viral immediate-early (IE) genes generally encode regulatory proteins that are critical for viral replication. Their transcription, which is independent of de novo viral protein synthesis, is driven directly by host transcription factors. In this study, we examined promoter activities of 12 predicted regulatory genes of white spot syndrome virus (WSSV) belonging to the zinc finger protein family by EGFP-reporter assays in High Five cells. The results showed that the promoters of three genes (wsv056, wsv403 and wsv465) could drive reporter gene expression, and RT-PCR analysis revealed that their expression in WSSV-infected primary crayfish hemocytes was insensitive to the protein synthesis inhibitor cycloheximide (CHX). Therefore, they are IE genes of WSSV.

Journal

Archives of VirologySpringer Journals

Published: Sep 1, 2011

References

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