Abstract
Clustered regularly interspaced short palindromic repeats (CRISPR) technology is a powerful genome editing tool. Recently developed CRISPR-Cas12a system confers several advantages over CRISPR-Cas9, making it ideal for use in plant genome editing and crop improvement. While traditional transformation methods based on plasmid delivery pose concerns associated with transgene integration and off-target effects, CRISPR-Cas12a delivered as ribonucleoproteins (RNPs) can effectively alleviate these potential issues. Here we present a detailed protocol for LbCas12a-mediated genome editing using RNP delivery in Citrus protoplasts. This protocol provides a comprehensive guideline for RNP component preparation, RNP complex assembly and delivery, and editing efficiency assessment.
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