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基因编辑快速改良玉米开花期研究

文献类型: 中文期刊

作者: 邢瑞霞 1 ; 朱金洁 2 ; 祁显涛 2 ; 谢传晓 2 ; 刘昌林 2 ; 江海洋 1 ;

作者机构: 1.安徽农业大学生命科学学院

2.中国农业科学院作物科学研究所

关键词: CRISPR/Cas9;ZmCCT10;开花期

期刊名称: 安徽农业科学

ISSN: 0517-6611

年卷期: 2023 年 003 期

页码: 96-100,105

摘要: 为获得早熟玉米种质,选择水稻光周期敏感基因Ghd7的同源基因ZmCCT10作为研究目标,利用基因编辑技术针对该基因的CDS区域进行敲除,获得相关材料后,选择其中表型较为明显的2种,进行生育期及植株表型等相关性状的数据调查与分析,发现敲除该基因后,在长日照的情况下,与野生型相比,编辑后的材料明显提前开花,并出现矮化等明显有利性状。ZmCCT10在玉米的开花调控网络中起抑制作用,敲除该基因可明显解除抑制。

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