Sequence analysis of S RNA of Calla lily chlorotic spot virus, a new tospovirus.

ASIA unversity > 醫學暨健康學院 > 生物科技學系 > 期刊論文 > Item 310904400/8092

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题名:	Sequence analysis of S RNA of Calla lily chlorotic spot virus, a new tospovirus.
作者:	Lin, Y.-H.;Chen, T.-C.;Chung, M.-H.;Chen, C.-C.;Hsu, H.-T.;Yeh, S.-D.
贡献者:	Department of Biotechnology
关键词:	WSMoV serogroup;nucleocapsid protein (NP);S RNA
日期:	2006
上传时间:	2010-03-15 08:12:18 (UTC+0)
出版者:	Asia University
摘要:	Calla lily chlorotic spot virus (CCSV), a tospovirus infecting Calla lily (Zantedeschia spp.) in Taiwan, with symptoms of chlorotic spots on leaves and stems, was previously reported serologically but distantly related to Watermelon silver mottle virus (WSMoV). To further characterize the virus, DNA fragments corresponding to the S RNA of the virus were amplified from total RNA extracted from CCSV-infected plants of Nicotiana benthamiana, cloned and sequenced. The full-length viral strand of the S RNA was determined as 3,172 nucleotides in length, with an inverted repeat at the 5′ and 3′ ends and two open reading frames in an ambisense arrangement. The 3′-terminal sequence (5′-AUUGCUCU-3′) of the viral S RNA was found identical to those of other tospoviruses, confirming that CCSV belongs to the genus Tospovirus. The N and the NSs proteins of CCSV share low amino acid identities, 20.9 to 65.1% and 19.9 to 66.1%, respectively, with those of reported tospoviruses. The phylogenetic dendrogram of the N protein of CCSV compared with those of other tospoviruses in WSMoV serogroup indicates that CCSV is a distinct tospovirus. Thus, based on the results of molecular characterization of S RNA, we conclude that CCSV is a new tospovirus species belonging to WSMoV serogroup.
關聯:	Acta Horticulturae 722:103-110
显示于类别:	[生物科技學系] 期刊論文

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