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>High-throughput Sequencing Reveals vsiRNAs Derived from Cucumber green mottle mosaic virus-infected Watermelon
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High-throughput Sequencing Reveals vsiRNAs Derived from Cucumber green mottle mosaic virus-infected Watermelon
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机译：高通量测序揭示了来自黄瓜绿斑驳花叶病毒感染西瓜的vsiRNA
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机译：Cucumber green mottle mosaic virus(CGMMV) is a member of the genus Tobamovirus, and is a serious pathogen of Cucurbitaceae crops. Virusderived small interfering RNAs(vsi RNAs), which are processed by Dicer-like and Argonaute proteins as well as RNA-dependent RNA polymerase,mediate the silencing of viral genomic RNA and host transcripts. To identify the CGMMV derived vsi RNAs and reveal interactions between CGMMV and watermelon host plant, deep sequencing technology was used to identify and characterize the vsi RNAs derived from CGMMV in infected watermelon plants in present study. A total of 10 801 368 vsi RNA reads representing 71 583 unique s RNAs were predicted in CGMMVinoculated watermelon plants. The CGMMV vsi RNAs were mostly 21 or 22 nt long. The majority of the CGMMV vsi RNAs(i.e., 91.7%) originated from the viral sense strand. Additionally, uracil was the predominant 5′-terminal base of vsi RNAs. Furthermore, the putative targets and functions of some of the CGMMV vsi RNAs were predicted and investigated. The results enhance our understanding of the interaction between CGMMV and the host watermelon and provide molecular basis for CGMMV resistance improvement in watermelon and other Cucurbitaceae crops.
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