dsRNAEngineer: a web-based tool of comprehensive dsRNA design for pest control
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RNA interference (RNAi) is a form of gene silencing triggered by double-stranded RNA (dsRNA) that operates in all eukaryotic organisms, including insects, mites, nematodes and fungi. In the last two decades, many dsRNAs have been synthesized to silence the target genes for exploration of the underlying function in these pests. Some of them are lethal to pests or inhibit the growth of the pest population, leading to a new concept of pesticides. The generation of these environment-friendly pesticides requires precise in silico design of dsRNA molecules that are specific to target pests but do not target non-pest organisms. Current efforts for dsRNA design are mostly focused on gene sequence level, lacking comprehensive analysis of RNAi-based mode-of-action at the whole transcriptome level of given species, causing low efficiency and imprecise dsRNA target exploration. To address these limitations, we have created dsRNAEngineer, a publicly available online tool that allows a comprehensive and rational dsRNA design, incorporating hundreds of pests and non-pests transcriptomes. Developed functionalities include screen-target (screen conserved genes for co-targets of various pest species), on-target, off-target, and multi-target to generate optimal dsRNA for precise pest control. dsRNAEngineer is available at https://dsrna-engineer.cn/ .