Elena Dalla Benetta, Adam J López-Denman, Hsing-Han Li, Reem A Masri, Daniel J Brogan, Michelle Bui, Ting Yang, Ming Li, Michael Dunn, Melissa J Klein, Sarah Jackson, Kyle Catalan, Kim R Blasdell, Priscilla Tng, Igor Antoshechkin, Luke S Alphey, Prasad N Paradkar, Omar S Akbari
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Recently, the Cas13 family has emerged as an efficient tool for RNA targeting; however, the application of this technique in mosquitoes, particularly <i>Aedes aegypti</i>, has yet to be fully realized. In this study, we engineered an antiviral strategy termed REAPER (vRNA Expression Activates Poisonous Effector Ribonuclease) that leverages the programmable RNA-targeting capabilities of CRISPR-Cas13 and its potent collateral activity. REAPER remains concealed within the mosquito until an infectious blood meal is uptaken. Upon target viral RNA infection, REAPER activates, triggering programmed destruction of its target arbovirus such as chikungunya. Consequently, Cas13-mediated RNA targeting significantly reduces viral replication and viral prevalence of infection, and its promiscuous collateral activity can even kill infected mosquitoes within a few days. This innovative REAPER technology adds to an arsenal of effective molecular genetic tools to combat mosquito virus transmission.</p>","PeriodicalId":54232,"journal":{"name":"CRISPR Journal","volume":"6 6","pages":"543-556"},"PeriodicalIF":3.7000,"publicationDate":"2023-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11085028/pdf/","citationCount":"0","resultStr":"{\"title\":\"Engineered Antiviral Sensor Targets Infected Mosquitoes.\",\"authors\":\"Elena Dalla Benetta, Adam J López-Denman, Hsing-Han Li, Reem A Masri, Daniel J Brogan, Michelle Bui, Ting Yang, Ming Li, Michael Dunn, Melissa J Klein, Sarah Jackson, Kyle Catalan, Kim R Blasdell, Priscilla Tng, Igor Antoshechkin, Luke S Alphey, Prasad N Paradkar, Omar S Akbari\",\"doi\":\"10.1089/crispr.2023.0056\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Escalating vector disease burdens pose significant global health risks, as such innovative tools for targeting mosquitoes are critical. 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Upon target viral RNA infection, REAPER activates, triggering programmed destruction of its target arbovirus such as chikungunya. Consequently, Cas13-mediated RNA targeting significantly reduces viral replication and viral prevalence of infection, and its promiscuous collateral activity can even kill infected mosquitoes within a few days. 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Escalating vector disease burdens pose significant global health risks, as such innovative tools for targeting mosquitoes are critical. CRISPR-Cas technologies have played a crucial role in developing powerful tools for genome manipulation in various eukaryotic organisms. Although considerable efforts have focused on utilizing class II type II CRISPR-Cas9 systems for DNA targeting, these modalities are unable to target RNA molecules, limiting their utility against RNA viruses. Recently, the Cas13 family has emerged as an efficient tool for RNA targeting; however, the application of this technique in mosquitoes, particularly Aedes aegypti, has yet to be fully realized. In this study, we engineered an antiviral strategy termed REAPER (vRNA Expression Activates Poisonous Effector Ribonuclease) that leverages the programmable RNA-targeting capabilities of CRISPR-Cas13 and its potent collateral activity. REAPER remains concealed within the mosquito until an infectious blood meal is uptaken. Upon target viral RNA infection, REAPER activates, triggering programmed destruction of its target arbovirus such as chikungunya. Consequently, Cas13-mediated RNA targeting significantly reduces viral replication and viral prevalence of infection, and its promiscuous collateral activity can even kill infected mosquitoes within a few days. This innovative REAPER technology adds to an arsenal of effective molecular genetic tools to combat mosquito virus transmission.
CRISPR JournalBiochemistry, Genetics and Molecular Biology-Biotechnology
CiteScore
6.30
自引率
2.70%
发文量
76
期刊介绍:
In recognition of this extraordinary scientific and technological era, Mary Ann Liebert, Inc., publishers recently announced the creation of The CRISPR Journal -- an international, multidisciplinary peer-reviewed journal publishing outstanding research on the myriad applications and underlying technology of CRISPR.
Debuting in 2018, The CRISPR Journal will be published online and in print with flexible open access options, providing a high-profile venue for groundbreaking research, as well as lively and provocative commentary, analysis, and debate. The CRISPR Journal adds an exciting and dynamic component to the Mary Ann Liebert, Inc. portfolio, which includes GEN (Genetic Engineering & Biotechnology News) and more than 80 leading peer-reviewed journals.