CN107312795A - 运用CRISPR/Cas9系统创制粉色果实番茄的基因编辑方法 - Google Patents
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Abstract
本发明涉及番茄转基因材料的构建,旨在提供一种运用CRISPR/Cas9系统对番茄SlMYB12基因造成突变,将红色果实番茄转变为粉色果实番茄的基因编辑方法。包括:设计SlMYB12基因的gRNA靶位点对应oligo引物,重组连接oligo二聚体和Cas9/gRNA载体。然后转化大肠杆菌感受态细胞,将测序结果正确的质粒转化农杆菌,并介导转化番茄愈伤组织获得转基因植株,获得转基因阳性株系;经基因测序和表型观察确定的纯合突变株系,即为完全丧失SlMYB12功能,果实粉红色的番茄突变体。本发明能有效敲除阻断SlMYB12基因的转录翻译,是成功实现番茄红色果实向粉色果实转变的理想基因编辑体系。
Description
技术领域
本发明涉及番茄转基因材料的构建,特别涉及运用CRISPR/Cas9基因编辑系统将红果番茄材料转变为粉果番茄材料的基因编辑方法。
背景技术
番茄是世界上最重要的蔬菜作物之一,也是果实类研究模式植物。目前在番茄生产上,欧美地区消费习惯以大红色果实番茄为主,而部分亚洲国家,尤其是中国和日本,则有一定的粉色果实番茄消费习惯。由于红果番茄育种工作开展早、积累材料丰富,红果番茄材料的丰产性、抗病性和商品性等相关特征总体上优于粉果番茄。因此,在育种工作中可利用的红果优异种质资源也远多于粉果材料。番茄果实颜色取决于果皮和果肉颜色,当果肉颜色为粉红色时,黄色果皮的番茄果实呈现红色,而透明果皮的番茄呈现粉红色。SlMYB12是番茄MYB转录因子家族成员之一,相关文献证明SlMYB12基因编码蛋白通过转录调控番茄果皮中类黄酮含量决定果皮颜色,当SlMYB12突变时,类黄酮合成路径被阻断,番茄果实果皮颜色呈透明。
在过去数年中,有相关研究通过QTL,病毒诱导基因沉默等生物学技术手段进行SlMYB12与透明果皮之间的相关性研究。但是以上技术手段不能完全抑制SlMYB12基因在番茄中的转录和翻译,且获得的材料不能稳定遗传。
CRISPR/Cas9基因编辑技术是近几年新发展起来的一种基因组定向编辑技术。至今为止,CRISPR/Cas9基因编辑技术已经在多种植物中实现了定点突变诱导(插入、缺失或修饰等)。由于成本低廉、操作简易和突变诱导率高等特点,CRISPR/Cas9系统作为一项高效植物遗传改良和育种研究的分子操作技术手段,应用前景十分广阔。但是,目前尚无运用该技术敲除水稻SlMYB12基因,实现番茄果实颜色从红色转为粉色的报道。
发明内容
本发明要解决的问题是,克服现有传统番茄育种技术周期长、效率低的不足和现有转基因技术无法定向敲除基因的问题,提供一种运用CRISPR/Cas9系统敲除红果番茄材料SlMYB12基因的基因编辑方法,以获得完全丧失SlMYB12功能,稳定遗传且无外源基因插入的理想粉果番茄突变体。
为了解决上述技术问题,本发明通过下述技术方案得以解决:
一种运用CRISPR/Cas9系统敲除番茄SlMYB12基因编辑方法,包括以下步骤:
(1)gRNA靶位点的选择,SlMYB12位于番茄基因组的1号染色体上,利用CRISPR-Plant在线设计工具,根据CRISPR/Cas9技术设计靶位点的原则,把靶位点设计在SlMYB12基因的5’端第一个外显子上;
(2)gRNA的片段克隆,以番茄(Solanum lycopersicum)基因组DNA序列为参考,设计两段oligo序列,其中F和R分别代表正、反向引物:
Target-F:5’-TTGTGGGCATCAAGAGAGGCAGA-3’
Target-R:5’-AACTCTGCCTCTCTTGATGCCCA-3’
反应体系为:Target-F 5μL;Target-R 5μL;H2O 15μL
反应条件为:95℃,3min;95℃到25℃室温条件下缓慢冷却;16℃5min;
(3)靶标序列插入Cas9/sgRNA载体:将上一步获得的退火oligo产物通过同源重组插入Cas9/sgRNA载体。取oligo二聚体1μL,与1μL Cas9/gRNA,1μL Solution 1,1μLSolution 2,6μL H2O混合均匀,在PCR仪中16℃反应2小时完成重组连接;
(4)载体农杆菌转化:将连接后的载体转化大肠杆菌感受态细胞,卡那霉素(Kanamycin)平板培养过夜,挑取单菌落摇菌培养,抽取质粒样品测序,测序结果正确的质粒转化农杆菌GV3101;
(5)农杆菌介导转化番茄愈伤组织获得转基因植株:以野生型番茄Alisa Craig为材料诱导愈伤组织,进行农杆菌介导的番茄转化实验,经潮霉素抗性筛选,抗性愈伤组织分化再生获得转基因阳性株系;
(6)获得阳性株系后,提取基因组DNA,在靶位点的两侧设计引物,对目的片段进行PCR扩增,纯化PCR扩增产物后进行测序,并判断突变是否纯合。如果靶标基因SlMYB12测序结果显示纯合突变,观察T0代突变体果实颜色加以验证(纯合突变为粉色);如果靶标基因SlMYB12测序结果显示为杂合突变,收取T0代突变体植株种子,发苗,筛选T1代植株中的SlMYB12纯合突变体,筛选方法同上。
(7)经基因组测序和表型验证为阳性的纯合株系,即为完全丧失SlMYB12功能,无外源基因插入的粉红色番茄果实突变体。
附图说明
图1:Cas9/sgRNA(编号VK005-14)与载体oligo二聚体重组连接位置示意图;
图2:SlMYB12基因1号外显子及1#株系基因变异图;
图3:野生型(Wt),1#株系,2#株系的靶位点突变测序图谱;
图4:SlMYB12编辑失败株系2#和编辑成功株系1#的番茄果实表型变化对比图。
具体实施方式
下面结合实施例对本发明作进一步详细描述:
实施例1番茄SlMYB12基因敲除株系的获得与鉴定
本发明所转番茄品种为Alisa Craig(Solanum lycopersicum cv.Alisa Craig)。
1.gRNA靶位点的选择
由于SlMYB12基因位于番茄基因组的第一号染色体上,根据CRISPR/Cas9技术设计靶位点的原则,本发明靶位点设计在SlMYB12基因第一个外显子上。见SEQ ID NO:1,SlMYB12基因1号外显子,划线部分为靶位点
2.gRNA的oligo合成与退火
2.1以gRNA靶位点为模板,按照如下格式设计引物oligo,引物序列如下,其中F和R分别代表正、反向引物:
Target-F:5’-TTG-TTGTGGGCATCAAGAGAGGCAGA
Target-R:5’-AAC-AACTCTGCCTCTCTTGATGCCCA
2.2 oligo退火
将oligo分别稀释成10μM,反应体系和程序分别为:
Target-F | 5μL |
Target-R | 5μL |
H2O | 15μL |
总计 | 25μL |
预变性95℃3min,95℃到25℃室温条件下缓慢冷却,16℃冷浴5min。
3.含gRNA载体构建
将退火后oligo二聚体和Cas9/gRNA载体进行连接,如图1所示,反应体系和程序如下:
16℃冷浴2小时。
4.将连接后的载体转化大肠杆菌感受态DH5a,涂板过夜,挑取单菌落,摇菌4h,提取质粒进行样品测序(生工,DP105)。测序引物为sqprimer1,序列如下:
GATGAAGTGGACGGAAGGAAGGAG。
5.将连接正确的质粒,转化农杆菌GV3101。
6.农杆菌介导转化番茄愈伤组织获得转基因植株以野生型番茄Alisa Craig为材料诱导愈伤组织,进行农杆菌介导的番茄转化实验。以GV3101农杆菌进行感染转化,经过潮霉素抗性筛选,抗性愈伤组织分化再生获得转基因阳性株系。
7.转基因番茄中SlMYB12基因突变体的检测
7.1设计目的基因检测引物,根据目的基因,在gRNA序列上游和下游分别设计引物,引物序列分别为:
SlMYB12-F:TAATTTTCATTGCCTTTTGCT
SlMYB12-R:TATTATTTTTTAAACGAAGAAAGTA
7.2将获得的3个转基因阳性植株,分别提取基因组DNA(天根,DP305试剂盒),进行PCR反应。利用天根PCR产物纯化试剂盒(DP214)纯化PCR产物,进行测序,测序公司为上海生工生物,测序引物序列如下:
Sqprimer2:TTCTGGACCTAGACTAAA
测序结果如图2、3所示。
测序结果经突变序列分析,发现1#株系存在4bp的小片段缺失,2#株系没有碱基变化(与野生型一致)。以上二个株系种植在人工温室内,收取果实,发现1#株系果实果皮为透明,果实为粉红色,而2#株系与野生型Alisa Craig一致,果皮为黄色,果实为大红色,如图4所示。相关文献证明SlMYB12为控制黄色果皮显性基因,因此,结果表明1#株系为SlMYB12纯合突变体。
总之,以上所述仅为本发明的较佳实施例,凡依本发明申请专利范围所作的均等变化与修饰,皆应属本发明专利的涵盖范围。
Claims (3)
1.运用CRISPR/Cas9系统敲除番茄SlMYB12的基因编辑方法,其特征在于,
包括gRNA靶位点设计在SlMYB12基因的上游5’端第一个外显子上的序列,为:F:5’-TGGGCATCAAGAGAGGCAGA-3’,R:5’-TCTGCCTCTCTTGATGCCCA-3’;
包括gRNA靶位点对应oligo二聚体的合成的序列,oligo序列为:Target-F:5’-TTGTGGGCATCAAGAGAGGCAGA-3’Target-R:5’-AACTCTGCCTCTCTTGATGCCCA-3’。
2.运用CRISPR/Cas9系统敲除番茄SlMYB12的基因编辑方法,其特征在于,包括以下步骤:
(1)gRNA靶位点的选择
利用CRISPR在线设计工具CRISPR-Plant,根据CRISPR/Cas9技术设计靶位点的原则,把gRNA靶位点设计在SlMYB12基因的上游5’端第一个外显子上,具体序列为:F:5’-TGGGCATCAAGAGAGGCAGA-3’,R:5’-TCTGCCTCTCTTGATGCCCA-3’;
(2)gRNA靶位点对应oligo二聚体的合成
根据gRNA靶点序列设计oligo并进行合成,oligo序列为:
Target-F:5’-TTGTGGGCATCAAGAGAGGCAGA-3’
Target-R:5’-AACTCTGCCTCTCTTGATGCCCA-3’;
(3)oligo二聚体插入到Cas9/gRNA表达转化载体中
利用北京唯尚立德生物科技有限公司的植物Cas9/gRNA质粒构建试剂盒,试剂混合比例为:
取最终体系10μL在16℃反应2小时;
(4)载体转化和阳性克隆鉴定
取步骤(3)的最终体系产物10μL加入到50μL DH5α感受态细胞中,轻弹混匀,冰浴30分钟,42℃热激60秒,冰浴2分钟,加入800μL LB培养液,置于37℃恒温150rpm摇床,复苏1小时候涂卡那霉素抗性平板,37℃恒温培养箱过夜,挑5-10个白色菌落摇菌培养测序,测序引物序列为:5’-GATGAAGTGGACGGAAGGAAGGAG-3’;
(5)农杆菌介导转化番茄愈伤组织获得基因编辑植株
以野生型番茄Alisa Craig为材料,进行农杆菌介导的番茄转化试验,将测序结果正确的质粒,转化GV3101农杆菌进行感染转化,经过潮霉素抗性筛选,抗性愈伤组织分化再生获得转基因阳性株系;
(6)突变体阳性株系基因测序和表型验证
获得阳性植株后,提取基因组DNA,在靶位点的两侧设计引物,对目的片段进行PCR扩增,将PCR产物进行纯化回收,直接进行测序,根据测序结果单碱基峰值判断靶标基因突变是否纯合,如果SlMYB12基因纯合突变,观察T0代突变体植株果实颜色进行表型验证,如果为杂合突变,收取T0代突变体植株种子,发苗,同样方法筛选T1代植株中的SlMYB12纯合突变体,结合表型观察验证;
(7)验证判断
经基因组测序和表型验证为阳性的纯合株系,即为完全丧失SlMYB12功能,无外源基因插入的粉红色番茄果实突变体。
3.根据权利要求2所述的运用CRISPR/Cas9系统敲除番茄SlMYB12的基因编辑方法,其特征在于,所述步骤(2)中将合成的oligo分别稀释成10μM,按照如下比例混合:
Target-F 5μL
Target-R 5μL
H2O 15μL
取最终体系25μL,混匀后,按照如下程序处理:
95℃ 3min
95℃到25℃室温条件下缓慢冷却
16℃ 5min。
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US11795443B2 (en) | 2017-10-16 | 2023-10-24 | The Broad Institute, Inc. | Uses of adenosine base editors |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104988160A (zh) * | 2015-07-31 | 2015-10-21 | 中国农业科学院蔬菜花卉研究所 | 一种粉果番茄材料的制备方法 |
CN105392361A (zh) * | 2013-01-31 | 2016-03-09 | 纽海姆有限公司 | 具有粉红色果实的番茄植物 |
-
2017
- 2017-08-24 CN CN201710734041.7A patent/CN107312795A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105392361A (zh) * | 2013-01-31 | 2016-03-09 | 纽海姆有限公司 | 具有粉红色果实的番茄植物 |
CN104988160A (zh) * | 2015-07-31 | 2015-10-21 | 中国农业科学院蔬菜花卉研究所 | 一种粉果番茄材料的制备方法 |
Non-Patent Citations (2)
Title |
---|
JOSEFINA-PATRICIA FERNANDEZ-MORENO等: "Characterization of a new pink-fruited tomato mutant results in the identification of a null allele of the SLMYB12 transcription factor", 《PLANT PHYSIOLOGY》 * |
北京唯尚立德生物科技有限公司: "植物Cas9gRNA质粒构建试剂盒 Catalog No VK005-09)", 《WWW.DOCIN.COM》 * |
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