Infection of capilloviruses requires subgenomic RNAs whose transcription is controlled by promoter-like sequences conserved among flexiviruses
作者： Ken Komatsu , Hisae Hirata , Takako Fukagawa , Yasuyuki Yamaji , Yukari Okano
DOI: 10.1016/J.VIRUSRES.2012.02.019
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摘要: The first open-reading frame (ORF) of apple stem grooving virus (ASGV), of the genus Capillovirus, encodes an apparently chimeric polyprotein containing conserved regions for replicase (Rep) and coat protein (CP). However, our previous study revealed that ASGV mutants with distinct and discontinuous Rep-and CP-coding regions successfully infect plants, indicating that CP expressed via a subgenomic RNA (sgRNA) is sufficient for viability of the virus. Here we identified a transcription start site of the CP sgRNA and revealed that …
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