The preparation of an infectious full-length cDNA clone of Saffold virus

<p>Abstract</p> <p>The pathogenicity of Saffold virus (SAFV) among humans still remains unclear, although it was identified as a novel human cardiovirus in 2007. In order to encourage the molecular pathogenetic studies of SAFV, we generated an infectious cDNA clone of SAFV type 3 (...

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Main Authors: Okuwa Takako, Shimizu Hiroyuki, Asif Naeem, Hosomi Takushi, Himeda Toshiki, Muraki Yasushi, Ohara Yoshiro
Format: Article
Language:English
Published: BMC 2011-03-01
Series:Virology Journal
Online Access:http://www.virologyj.com/content/8/1/110
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author Okuwa Takako
Shimizu Hiroyuki
Asif Naeem
Hosomi Takushi
Himeda Toshiki
Muraki Yasushi
Ohara Yoshiro
author_facet Okuwa Takako
Shimizu Hiroyuki
Asif Naeem
Hosomi Takushi
Himeda Toshiki
Muraki Yasushi
Ohara Yoshiro
author_sort Okuwa Takako
collection DOAJ
description <p>Abstract</p> <p>The pathogenicity of Saffold virus (SAFV) among humans still remains unclear, although it was identified as a novel human cardiovirus in 2007. In order to encourage the molecular pathogenetic studies of SAFV, we generated an infectious cDNA clone of SAFV type 3 (SAFV-3). The present study demonstrated that the synthesis of the full-length infectious RNA by T7 RNA polymerase was terminated by a homologous sequence motif with the human preproparathyroid hormone (PTH) signal in the SAFV-3 genome. To obtain the infectious RNA using T7 promoter, a variant of T7 RNA polymerase, which fails to recognize the PTH signal, was useful. This study will provide a valuable technical insight into the reverse genetics of SAFV.</p>
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spelling doaj.art-996c02b58c6040118eb397c2512210fd2022-12-21T18:21:06ZengBMCVirology Journal1743-422X2011-03-018111010.1186/1743-422X-8-110The preparation of an infectious full-length cDNA clone of Saffold virusOkuwa TakakoShimizu HiroyukiAsif NaeemHosomi TakushiHimeda ToshikiMuraki YasushiOhara Yoshiro<p>Abstract</p> <p>The pathogenicity of Saffold virus (SAFV) among humans still remains unclear, although it was identified as a novel human cardiovirus in 2007. In order to encourage the molecular pathogenetic studies of SAFV, we generated an infectious cDNA clone of SAFV type 3 (SAFV-3). The present study demonstrated that the synthesis of the full-length infectious RNA by T7 RNA polymerase was terminated by a homologous sequence motif with the human preproparathyroid hormone (PTH) signal in the SAFV-3 genome. To obtain the infectious RNA using T7 promoter, a variant of T7 RNA polymerase, which fails to recognize the PTH signal, was useful. This study will provide a valuable technical insight into the reverse genetics of SAFV.</p>http://www.virologyj.com/content/8/1/110
spellingShingle Okuwa Takako
Shimizu Hiroyuki
Asif Naeem
Hosomi Takushi
Himeda Toshiki
Muraki Yasushi
Ohara Yoshiro
The preparation of an infectious full-length cDNA clone of Saffold virus
Virology Journal
title The preparation of an infectious full-length cDNA clone of Saffold virus
title_full The preparation of an infectious full-length cDNA clone of Saffold virus
title_fullStr The preparation of an infectious full-length cDNA clone of Saffold virus
title_full_unstemmed The preparation of an infectious full-length cDNA clone of Saffold virus
title_short The preparation of an infectious full-length cDNA clone of Saffold virus
title_sort preparation of an infectious full length cdna clone of saffold virus
url http://www.virologyj.com/content/8/1/110
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