Nucleotide sequence analysis of the 3' terminal region of a wasabi strain of crucifer tobamovirus genomic RNA: Subgrouping of crucifer tobamoviruses

I. Shimamoto, S. Sonoda, P. Vazquez, N. Minaka, M. Nishiguchi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The 3' terminal 2378 nucleotides of a wasabi strain of crucifer tobamovirus (CTMV-W) infectious to crucifer plants was determined. This includes the 3' non-Coding region of 235 nucleotides coat protein(CP) gene (468 nucleotides) movement protein (MP) gene (798 nucleotides) C-Terminal partial readthrough portion of 180 K protein gene (940 nucleotides). Comparison of the sequence with homologous regions of thirteen other tobamovirus genomes showed that it had much higher identity to those of four other crucifer tobamoviruses 85.2% to cr-TMV turnip vein-Clearing virus (TVCV) 87.4% to oilseed rape mosaic virus (ORMV) 87.1% to TMV-Cg than to those of other tobamoviruses. Thus CTMV-W was most similar to ORMV TMV-Cg in sequence but only marginally so whereas the location size of its MP gene was the same as cr-TMV amd TVCV. These results together with other analyses show that CTMV-W is a new crucifer tobamovirus, that the five crucifer tobamoviruses can be classified into two subgroups based on Mp gene organization that the rate of sequence change is not the same in all lineages.

Original languageEnglish
Pages (from-to)1801-1813
Number of pages13
JournalArchives of Virology
Volume143
Issue number9
DOIs
Publication statusPublished - 1998

ASJC Scopus subject areas

  • Virology

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