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        1.
        2016.04 구독 인증기관·개인회원 무료
        A novel insect-infecting positive sense single-stranded RNA virus, Riptortus pedestris virus-1 (RiPV-1), was found in the Riptortus pedestris transcriptome data by de novo assembly and further confirmed by RACE method. The genome of RiPV-1 consists of 10,554 nucleotides (nt) excluding the poly(A) tail and contains a single large open reading frame (ORF) of 10,371 nt encoding a 3,456 aa polyprotein and flanked by 71 and 112 nt 5' and 3' noncoding regions, respectively. RiPV-1 genome contains the consensus genome organization of picorna-like RNA helicase, cysteine protease, and RNA-dependent RNA polymerase (RdRp) array in that order from the 5' to the 3' end. From the phylogenetic analysis, RiPV-1 was clustered with unassigned insect RNA viruses, APV and KFV, which suggests that these three insect picorna-like viruses might constitute a novel group of insect-infecting RNA viruses. Tissue tropism analysis revealed that RiPV-1 was relatively abundant in the thorax, abdomen, midgut and fat body. Interestingly, RiPV-1 replication was enhanced by Beauveria bassiana JEF-007 infection that was quantified using qRT-PCR. This study identified a novel insect-infecting virus and provided further insight into the relationship between virus, fungus and host.