Receptor-Mediated Ovary Transduction of Cargo – ReMOT Control: a Comprehensive Review and Detailed Protocol for Implementation

Terradas, Gerard; Macias, Vanessa M.; Peterson, Hillary; McKeand, Sage; Krawczyk, Grzegorz; Rasgon, Jason L.

doi:10.1079/9781800621176.0006

Cited by 4 publications

(1 citation statement)

References 102 publications

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“…Briefly, Receptor-Mediated Ovary Transduction of Cargo (ReMOT Control) delivers CRISPR/Cas9 ribonucleoprotein (RNP) into insect ovaries by fusing the RNP to a peptide ligand derived from yolk proteins. ReMOT Control has been used to create heritable gene edits in the germline of several mosquito species, the silverleaf whitefly, the jewel wasp, Tribolium beetles, brown marmorated stinkbug, and the blacklegged tick (21,23,24,(27)(28)(29). Alternatively, Branched Amphiphilic Peptide Capsules (BAPC) were used recently to improve the delivery of CRISPR components into adult ovaries to facilitate heritable gene editing in D. citri.…”

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CRISPR-Cas9-Mediated Mutagenesis of the Asian Citrus Psyllid, Diaphorina citri

Chaverra-Rodriguez,

Bui,

Gilleland

et al. 2023

GEN Biotechnology

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The most devastating disease affecting the global citrus industry is Huanglongbing (HLB), caused by the pathogen Candidatus Liberibacter asiaticus. HLB is primarily spread by the insect vector Diaphorina citri (Asian Citrus Psyllid). To counteract the rapid spread of HLB by D. citri, traditional vector control strategies such as insecticide sprays, the release of natural predators, and mass introductions of natural parasitoids are used. However, these methods alone have not managed to contain the spread of disease. To further expand the available tools for D. citri control via generating specific modifications of the D. citri genome, we have developed protocols for CRISPR/Cas9-based genetic modification. Until now, genome editing in D. citri has been challenging due to the general fragility and size of D.citri eggs. Here we present optimized methods for collecting and preparing eggs to introduce the Cas9 ribonucleoprotein (RNP) into early embryos and alternative methods (ReMOT Control) for injecting RNP into the hemocoel of adult females for ovarian transduction. Using these methods, we have generated visible somatic mutations, indicating their suitability for gene editing in D. citri. These methods represent the first steps towards advancing D. citri research in preparation for future genetic-based systems for controlling HLB. Introduction .

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confidence: 99%