|本期目录/Table of Contents|

[1]颜静宛,陈子强,周淑芬,等.利用CRISPR/Cas9系统创制水稻品种GW2基因的突变体[J].江苏农业科学,2024,52(3):73-78.
 Yan Jingwan,et al.Creation of mutants of GW2 gene in rice varieties using CRISPR/Cas9 system[J].Jiangsu Agricultural Sciences,2024,52(3):73-78.
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利用CRISPR/Cas9系统创制水稻品种GW2基因的突变体(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第52卷
期数:
2024年第3期
页码:
73-78
栏目:
生物技术
出版日期:
2024-02-05

文章信息/Info

Title:
Creation of mutants of GW2 gene in rice varieties using CRISPR/Cas9 system
作者:
颜静宛陈子强周淑芬王锋
福建省农业科学院生物技术研究所/福建省农业遗传工程重点实验室,福建福州 350003
Author(s):
Yan Jingwanet al
关键词:
水稻CRISPR/Cas9基因编辑粒质量GW2基因突变
Keywords:
-
分类号:
Q344+.14;S511.01
DOI:
-
文献标志码:
A
摘要:
培育具有育种价值的GW2基因编辑的水稻优异新品种在水稻育种中具有重要意义,利用CRISPR/Cas9基因编辑技术,以生产上广泛推广应用的13份水稻品种为材料,对粒质量基因(GW2)进行定向性状改良,通过农杆菌转化创制出一批无T-DNA元件的水稻非转基因GW2突变纯合株系。结果表明:13份T0代水稻转基因中,有28.0%~59.1%植株的GW2基因发生了突变,纯合突变株数量占总突变株数量的35.0%,双等位突变株数量占总突变株数量的14.2%,杂合突变株数量占总突变株数量的50.8%。此外,不同水稻品种发生的突变类型也略有不同。对13份T2代非转基因水稻GW2突变纯合株进行千粒质量性状的考种分析。与对应的野生型亲本品种相比,纯合突变水稻植株的千粒质量显著提高10.81%~58.22%。本研究结果极大地丰富了GW2的突变类型,为不同水稻品种的高产稳产创造了重要的种质资源,同时也为利用基因编辑提高水稻产量提供了有价值的育种信息。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2023-04-08
基金项目:福建省科技计划——省属公益类科研院所基本科研专项(编号:2020R1027008);福建省农业高质量发展超越“5511”协同创新工程(编号:XTCXGC2021002)。
作者简介:颜静宛(1977—),女,福建泉州人,硕士,副研究员,主要从事水稻分子生物学研究。E-mail:38501887@qq.com。
通信作者:王锋,博士,研究员,主要从事水稻遗传育种研究。E-mail:wf@fjage.org。
更新日期/Last Update: 2024-03-05