Varicella-zoster virus ORF 58 gene is dispensable for viral replication in cell culture

<p>Abstract</p> <p>Background</p> <p>Open reading frame 58 (ORF58) of varicella-zoster virus (VZV) lies at the 3'end of the Unique long (U<sub>L</sub>) region and its functional is unknown. In order to clarify whether ORF58 is essential for the growth o...

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Main Authors: Nagaike Kazuhiro, Matsuura Masaaki, Sadaoka Kay, Yoshii Hironori, Takahashi Michiaki, Yamanishi Koichi, Mori Yasuko
Format: Article
Language:English
Published: BMC 2008-04-01
Series:Virology Journal
Online Access:http://www.virologyj.com/content/5/1/54
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author Nagaike Kazuhiro
Matsuura Masaaki
Sadaoka Kay
Yoshii Hironori
Takahashi Michiaki
Yamanishi Koichi
Mori Yasuko
author_facet Nagaike Kazuhiro
Matsuura Masaaki
Sadaoka Kay
Yoshii Hironori
Takahashi Michiaki
Yamanishi Koichi
Mori Yasuko
author_sort Nagaike Kazuhiro
collection DOAJ
description <p>Abstract</p> <p>Background</p> <p>Open reading frame 58 (ORF58) of varicella-zoster virus (VZV) lies at the 3'end of the Unique long (U<sub>L</sub>) region and its functional is unknown. In order to clarify whether ORF58 is essential for the growth of VZV, we constructed a deletion mutant of ORF58 (pOka-BACΔ58) from the Oka parental genome cloned into a bacterial artificial chromosome (pOka-BAC).</p> <p>Results</p> <p>The ORF58-deleted virus (rpOkaΔ58) was reconstituted from the pOka-BACΔ58 genome in MRC-5 cells, indicating that the ORF58 gene is non-essential for virus growth. Comparison of the growth rate of rpOkaΔ58 and recombinant wild-type virus by assessing plaque sizes revealed no significant differences between them both in MRC-5 cells and malignant melanoma cells.</p> <p>Conclusion</p> <p>This study shows that the ORF58 gene is dispensable for viral replication and does not affect the virus' ability to form plaques <it>in vitro</it>.</p>
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spelling doaj.art-5dda23567e3f4ee1a167612a6eaf18f92022-12-22T01:28:00ZengBMCVirology Journal1743-422X2008-04-01515410.1186/1743-422X-5-54Varicella-zoster virus ORF 58 gene is dispensable for viral replication in cell cultureNagaike KazuhiroMatsuura MasaakiSadaoka KayYoshii HironoriTakahashi MichiakiYamanishi KoichiMori Yasuko<p>Abstract</p> <p>Background</p> <p>Open reading frame 58 (ORF58) of varicella-zoster virus (VZV) lies at the 3'end of the Unique long (U<sub>L</sub>) region and its functional is unknown. In order to clarify whether ORF58 is essential for the growth of VZV, we constructed a deletion mutant of ORF58 (pOka-BACΔ58) from the Oka parental genome cloned into a bacterial artificial chromosome (pOka-BAC).</p> <p>Results</p> <p>The ORF58-deleted virus (rpOkaΔ58) was reconstituted from the pOka-BACΔ58 genome in MRC-5 cells, indicating that the ORF58 gene is non-essential for virus growth. Comparison of the growth rate of rpOkaΔ58 and recombinant wild-type virus by assessing plaque sizes revealed no significant differences between them both in MRC-5 cells and malignant melanoma cells.</p> <p>Conclusion</p> <p>This study shows that the ORF58 gene is dispensable for viral replication and does not affect the virus' ability to form plaques <it>in vitro</it>.</p>http://www.virologyj.com/content/5/1/54
spellingShingle Nagaike Kazuhiro
Matsuura Masaaki
Sadaoka Kay
Yoshii Hironori
Takahashi Michiaki
Yamanishi Koichi
Mori Yasuko
Varicella-zoster virus ORF 58 gene is dispensable for viral replication in cell culture
Virology Journal
title Varicella-zoster virus ORF 58 gene is dispensable for viral replication in cell culture
title_full Varicella-zoster virus ORF 58 gene is dispensable for viral replication in cell culture
title_fullStr Varicella-zoster virus ORF 58 gene is dispensable for viral replication in cell culture
title_full_unstemmed Varicella-zoster virus ORF 58 gene is dispensable for viral replication in cell culture
title_short Varicella-zoster virus ORF 58 gene is dispensable for viral replication in cell culture
title_sort varicella zoster virus orf 58 gene is dispensable for viral replication in cell culture
url http://www.virologyj.com/content/5/1/54
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