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Strategies to improve homology-based repair outcomes following CRISPR-based gene editing in mosquitoes: lessons in how to keep any repair disruptions local

期刊

VIROLOGY JOURNAL
卷 19, 期 1, 页码 -

出版社

BMC
DOI: 10.1186/s12985-022-01859-2

关键词

DNA repair; Homology-dependent repair; CRISPR; Gene editing; Mosquito; Aedes

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资金

  1. National Institute of Allergies and Infectious Diseases of the National Institutes of Health [R01AI148787, R01AI137112]

向作者/读者索取更多资源

Programmable gene editing systems like CRISPR-Cas have advanced mosquito genome engineering, but low efficiency of sequence integration at DNA double-strand breaks (DSBs) and a lack of understanding about DSB repair in mosquitoes have limited progress. This review highlights relevant steps of DNA DSB repair choice and promising approaches to enhance HDR in the context of mosquito gene editing.
Programmable gene editing systems such as CRISPR-Cas have made mosquito genome engineering more practical and accessible, catalyzing the development of cutting-edge genetic methods of disease vector control. This progress, however, has been limited by the low efficiency of homology-directed repair (HDR)-based sequence integration at DNA double-strand breaks (DSBs) and a lack of understanding about DSB repair in mosquitoes. Innovative efforts to optimize HDR sequence integration by inhibiting non-homologous end joining or promoting HDR have been performed in mammalian systems, however many of these approaches have not been applied to mosquitoes. Here, we review some of the most relevant steps of DNA DSB repair choice and highlight promising approaches that influence this choice to enhance HDR in the context of mosquito gene editing.

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