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Elucidation of the MicroRNA Transcriptome in Western Corn Rootworm Reveals Its Dynamic and Evolutionary Complexity

Genomics, Proteomics & Bioinformatics 2021年第5期19卷 800-814页

作者： Xiaozeng Yang Elane Fishilevich Marcelo A.German Premchand Gandra Robert E.McEwan André Billion eileen knorr Andreas Vilcinskas Kenneth E.Narva Beijing Agro-biotechnology Research Center Beijing Academy of Agriculture and Forestry SciencesBeijing 100097China Corteva Agriscience Agriculture Division of DowDuPontIndianapolisIN 46268USA University of Nebraska-Lincoln Department of EntomologyLincolnNE 68583USA Fraunhofer Institute for Molecular Biology and Applied Ecology Department of BioresourcesGiessen 35394Germany

Diabrotica virgifera virgifera(western corn rootworm,WCR)is one of the most destructive agricultural insect pests in North *** is highly adaptive to environmental stimuli and crop protection ***,little is known about the underlying genetic basis of WCR behavior and *** specifically,the involvement of small RNAs(s RNAs),especially micro RNAs(mi RNAs),a class of endogenous small non-coding RNAs that regulate various biological processes,has not been examined,and the datasets of putative s RNA sequences have not previously been generated for *** achieve a comprehensive collection of s RNA transcriptomes in WCR,we constructed,sequenced,and analyzed s RNA libraries from different life stages of WCR and northern corn rootworm(NCR),and identified 101 conserved precursor mi RNAs(pre-mi RNAs)in WCR and other *** also identified 277 corn rootworm specific pre-mi *** analyses of s RNA populations in WCR revealed that its s RNA transcriptome,which includes PIWI-interacting RNAs(pi RNAs)and mi RNAs,undergoes a dynamic change throughout insect *** analysis of mi RNA datasets from model species reveals that a large pool of species-specific mi RNAs exists in corn rootworm;these are potentially evolutionarily *** of WCR mi RNA clusters to other insect species highlight conserved mi RNA-regulated processes that are common to *** Analysis of RNA Ends(PARE)also uncovered potential mi RNA-guided cleavage sites in ***,this study provides a new resource for studying the s RNA transcriptome and mi RNA-mediated gene regulation in WCR and other Coleopteran insects.

关键词： Western corn rootworm Small RNA MicroRNA Parallel Analysis of RNA Ends PIWI-interacting RNA

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