作者
Keke Xia, Dengwei Zhang, Xiaojing Xu, Guangyu Liu, Yong Yang, Zhiyong Chen, Xiaojuan Wang, Guo-Qiang Zhang, Hai-Xi Sun, Ying Gu
发表日期
2022/9/1
期刊
Plant Science
卷号
322
页码范围
111368
出版商
Elsevier
简介
Phalaenopsis orchids are popular ornamental plants worldwide. The application and optimization of efficient CRISPR-Cas genome editing toolkits in Phalaenopsis greatly accelerate the development of orchid gene function and breeding research. However, these methods are greatly hindered by the deficiency of a rapid screening system. In this study, we established a fast and convenient Phalaenopsis protoplast technology for the identification of functional genome editing tools. Two multiplex genome editing tools, PTG-Cas9-HPG (PTG, polycistronic tRNA-gRNA) system and RMC-Cpf1-HPG (RMC, ribozyme-based multi-crRNA) system, were developed for Phalaenopsis genome editing and further evaluated by established protoplast technology. We successfully detected various editing events comprising substitution and indel at designed target sites of the PDS gene and MADS gene, showing that both PTG …
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