2008
DOI: 10.1016/j.virol.2008.02.004
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cis-Preferential requirement of a − 1 frameshift product p88 for the replication of Red clover necrotic mosaic virus RNA1

Abstract: The genome of Red clover necrotic mosaic virus (RCNMV) consists of RNA1 and RNA2. RNA1 encodes N-terminally overlapping replication proteins, p27 and p88, which are translated in a cap-independent manner. The 3' untranslated region of RNA1 contains RNA elements essential for cap-independent translation and negative-strand RNA synthesis. In this study, we investigated how p27 and p88 were engaged in the replication of RCNMV genomic RNAs by using DNA vectors or in vitro transcribed RNAs in protoplasts and in a c… Show more

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Cited by 36 publications
(41 citation statements)
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“…These results are in agreement with those reported for other members of the family Tombusviridae which show that, besides the RdRp, the corresponding virus produces an additional, relatively small polypeptide that is indispensable for effective pathogen multiplication. The lack of complementation among p27stop and p27tyr mutants, which are impaired in p86 and p27 synthesis, respectively, suggests either a cis-preferential requirement for both viral replicase proteins and/or a coupling between translation and replication, as proposed for several members of the Tombusviridae [Okamoto et al, 2008;Oster et al, 1998;White et al, 1995] and also other viral families [e.g. Lewandowski & Dawson, 2000;Neeleman & Bol, 1999].…”
Section: Discussionmentioning
confidence: 99%
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“…These results are in agreement with those reported for other members of the family Tombusviridae which show that, besides the RdRp, the corresponding virus produces an additional, relatively small polypeptide that is indispensable for effective pathogen multiplication. The lack of complementation among p27stop and p27tyr mutants, which are impaired in p86 and p27 synthesis, respectively, suggests either a cis-preferential requirement for both viral replicase proteins and/or a coupling between translation and replication, as proposed for several members of the Tombusviridae [Okamoto et al, 2008;Oster et al, 1998;White et al, 1995] and also other viral families [e.g. Lewandowski & Dawson, 2000;Neeleman & Bol, 1999].…”
Section: Discussionmentioning
confidence: 99%
“…Lewandowski & Dawson, 2000;Neeleman & Bol, 1999]. It should nevertheless be noted that, within the family Tombusviridae, only the RdRp functioned in a cis-preferential manner in the case of Red clover necrotic mosaic virus (genus Dianthovirus) [Okamoto et al, 2008], whereas the opposite situation (i.e. cis-preferential functioning of ORF1 product) was reported for TCV and Tomato bushy stunt virus (TBSV; genus Tombusvirus) [Oster et al, 1998;White et al, 1995].…”
Section: Discussionmentioning
confidence: 99%
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