ArticleJournal of advanced research2024
A geminivirus crosses the monocot-dicot boundary and acts as a viral vector for gene silencing and genome editing.
Article in Journal of advanced research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Enhancing Olaparib's anti-cancer potential using nanostructured lipid carriers: formulation, evaluation, and in-vitro biological impact.Naunyn-Schmiedeberg's archives of pharmacology · 2026Article
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4 authors.
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Abstract
introductionMembers of the family Geminiviridae have been reported to infect either a monocot plant or a dicot plant, but not both. This study reports a geminivirus, Wheat Dwarf India Virus (WDIV), first identified in wheat, that is capable of infecting both monocot and dicot plants and acting as a viral vector.
objectivesThis study was aimed at developing a broad host range viral vector system for reverse genetics and genome editing.
methodsHere we used a wheat isolate of WDIV and Ageratum yellow leaf curl betasatellite (AYLCB) for infectivity assays and vector development. We performed Agrobacterium-mediated inoculation of WDIV and AYLCB in wheat, oat, barley, corn, soybean, and tobacco. To examine the potential of WDIV to act as a viral vector, we modified the WDIV genome and cloned DNA fragments of the phytoene desaturase (PDS) genes from wheat and tobacco, separately. For gene editing experiments, tobacco lines expressing Cas9 were infiltrated with a WDIV-based vector carrying gRNA targeting the PDS gene.
resultsAbout 80 to 90% of plants inoculated with infectious clones of WDIV alone or WDIV together with AYLCB showed mild symptoms, whereas some plants showed more prominent symptoms. WDIV and AYLCB were detected in the systemically infected leaves of all the plant species. Furthermore, the inoculation of the WDIV vector carrying PDS fragments induced silencing of the PDS gene in both wheat and tobacco plants. We also observed high-efficiency genome editing in the Cas9-expressing tobacco plants that were inoculated with WDIV vector-carrying gRNA.
conclusionDetection of WDIV in naturally infected wheat, barley, and sugarcane in the field and its ability to systemically infect wheat, oat, barley, corn, soybean, and tobacco under laboratory conditions, provides compelling evidence that WDIV is the first geminivirus identified with the capability of infecting both monocot and dicot plant species. The wide host range of WDIV can be exploited for developing a single vector system for high-throughput genome editing in many plant species.
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