Turnip vein-clearing virus - from pathogen to host
expression profile
Ulrich Melcher
Department of Biochemistry and Molecular Biology, Oklahoma State
University, Stillwater, OK 74078, USA
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| Taxonomy: |
Turnip vein-clearing virus
(TVCV) is a member of subgroup 3 of the Tobamovirus genus and is
thus a member of the alphavirus-like supergroup of positive sense
RNA-containing viruses. |
| Physical Properties: |
Virions, typical of tobamoviruses,
are rod-shaped and consist of a single species of four-helix bundle capsid
proteins of 17 kDa helically arranged around a 6.3 knt RNA which
accounts for 5% of the virion mass. Virions are stable for years. |
| Hosts: |
Members of the crucifer family are
excellent hosts. Particularly noteworthy is that hosts include the model
plant for molecular genetics, Arabidopsis thaliana. No
non-mechanical vectors of transmission are known. |
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