文献类型： 外文期刊
作者： Nie, Hao 1 ; Batool, Saira 1 ; Htwe, Yin Min 1 ; Fang, Xiaomeng 3 ; Zhang, Dapeng 1 ; Shi, Peng 1 ; Li, Zhiying 1 ; Ma, Mingjun 1 ; Su, Hanlu 1 ; Yu, Qun 1 ; He, Xiangman 1 ; Wang, Yong 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Coconut Res Inst, Sanya Res Inst, Natl Key Lab Trop Crop Breeding, Sanya 572025, Peoples R China
2.Huazhong Agr Univ, Coll Hort & Forestry Sci, Wuhan 430070, Peoples R China
3.Chinese Acad Agr Sci, Natl Nanfan Res Inst, Sanya 572000, Peoples R China
关键词：
areca palm; PEG-mediated transformation; protoplast; subcellular localization; CRISPR/Cas9;
期刊名称：PLANTS-BASEL （ 影响因子：4.1； 五年影响因子：4.5 ）
ISSN： 2223-7747
年卷期： 2025 年 14 卷 6 期
页码：
收录情况： SCI
摘要： Areca palm (Areca catechu L.) is an economically significant crop in tropical and subtropical regions. However, an efficient transformation and gene editing system for genetic improvement has still not been established. In this study, protoplasts were isolated from juvenile leaves, followed by PEG-mediated transformation and gene editing targeting the areca palm AcPDS via the CRISPR/Cas9 system. High yield (9.08 x 106 cells/g FW) and viability (91.57%) protoplasts were isolated successfully by digestion for 5 h in an enzyme solution. Transformation efficiency (11.85%) was obtained through PEG-mediated transformation (incubation for 30 min in the mixture containing 40% PEG-4000, 400 mM CaCl2, 30 mu g of plasmid DNA, and 100 mu L of protoplasts). Furthermore, subcellular localization was established by the cotransformation of GFP and pNLS-mCherry in the protoplasts. Moreover, the editing efficiency (2.82%) of AcPDS using the CRISPR/Cas9 system was detected by Hi-TOM sequencing. This study established an efficient transformation and gene editing system based on protoplasts in areca palm, which will be beneficial for gene function verification and genetic improvement in areca palm and other tropical palm crops.
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