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Asparagus virus 2 (AV-2) is a member of the genus Ilarvirus in the family Bromoviridae. We cloned the coat protein (CP) and the 2b protein (2b) genes of AV-2 isolates from asparagus plants from various regions and found that the sequence for CP and for 2b was highly conserved among the isolates, suggesting that AV-2 from around the world is almost identical. We then made an AV-2 infectious clone by...
Plants have developed RNA silencing as an antiviral defense mechanism. To escape from the plant host’s defenses, viruses have countered their host’s antiviral silencing by producing RNA silencing suppressor proteins (RSSs). Although the mode of action of the majority of viral RSSs has been found to be through double-stranded RNA-binding, viruses have different strategies to counteract the host’s antiviral...
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