CN113999856A - 大豆种子活力调控基因GmSV1及其应用 - Google Patents
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Abstract
本发明公开了一种大豆种子活力调控基因GmSV1及其应用,属于生物技术和作物基因工程领域。本发明所公开的大豆种子活力调控基因GmSV1在提高大豆种子活力中起到重要作用。具体是通过CRISPR/Cas9系统编辑敲除GmSV1基因,破坏GmSV1基因的生物学功能,获得GmSV1大豆突变体,相对于受体科丰1号,gmsv1‑1和gmsv1‑2突变体后代发芽速率得到显著提高,在萌发第2天,gmsv1‑1和gmsv1‑2发芽率分别提高54.84%(p<0.01)和61.29%(p<0.01),突变体表现为种子活力显著提高。本发明对于理解大豆种子萌发机制,促进高种子活力的大豆育种进程具有重要作用。
Description
技术领域
本发明涉及一种大豆种子活力调控基因GmSV1及其应用,属于生物技术和作物基因工程技术领域。
背景技术
大豆是重要的油料作物和粮饲兼用作物,在保障我国粮食生产安全中起到重要作用。我国南方春大豆产区是大豆生产的重要区域,在种植结构调整和丰富群众菜篮子方面发挥重要作用。但春大豆种子在发育和成熟过程中常会遇到高温高湿环境,导致种子活力严重受损,收获的种子播种后常常表现为田间出苗差,缺苗断垄严重,该问题已严重阻碍我国南方春大豆产业的健康发展。另一方面,大豆种子活力也会随着储藏时间的增加而不断降低,不利储藏环境更会进一步加剧种子活力的流失,大豆的种用价值和食用价值受到严重影响。
因此,解析大豆种子活力的遗传规律和形成机制是解决上述问题的经济有效手段,对高活力大豆育种和种业发展具有重要的推动作用。然而,目前有关大豆种子活力调控机理的研究较少,种子活力相关的QTL鲜有报道,决定大豆种子活力的功能基因及其调控机制知之甚少,因此大豆种子活力相关研究工作亟需进一步深入。在本专利中,申请人发现GmSV1基因可以调控大豆的萌发速率和萌发率,提高大豆种子的种子活力,这一基因功能的发现为大豆种子活力调控机制及形成提供新观点,为大豆遗传育种改良提供新的基因资源,具有重要的实际应用价值。
发明内容
技术问题
为了克服现有技术的不足,本发明的目的在于提供一种调控大豆种子活力的基因,本发明另一目的是提供上述调控大豆种子活力基因在提高大豆种子活力中的应用。
技术方案
为解决上述问题,本发明所采用的技术方案如下:
本发明所涉及的调控大豆种子活力的基因GmSV1,来源于大豆,其核苷酸序列为:SEQ ID No.1。
所述大豆种子活力调控基因GmSV1可以在基因工程提高大豆种子活力中得到应用。
具体是通过CRISPR/Cas9系统编辑技术使所述基因发生突变导致翻译蛋白提前终止,获得高种子活力大豆株系。包括如下步骤:
1)编辑载体构建:参照CRISPR/Cas9编辑技术,选定靶标序列,构建编辑载体;
2)采用农杆菌介导的遗传转化方法将编辑载体转入种子活力低的大豆品种中;
3)参照受体品种GmSV1基因序列,筛选GmSV1基因突变株系。
所述CRISPR/Cas9编辑系统的靶标序列sgRNA为SEQ ID No.1的第314-333位,位于GmSV1的第一外显子上,其序列如SEQ ID No.14所示。CRISPR/Cas9编辑系统创制的GmSV1基因等位变异基因gmsv1-1或gmsv1-2,其基因序列分别如SEQ ID No.2、SEQ ID No.3所示。等位变异基因gmsv1-1或gmsv1-2可以提高大豆种子活力中得到应用。
有益效果
相比现有技术,本发明的有益效果在于:
1、本发明提供的大豆种子活力相关蛋白及其编码核酸在调控大豆种子活力方面的功能均为申请人的首次发现,通过CRISPR/Cas9基因编辑技术靶向修饰,突变该基因核苷酸序列筛选大豆种子活力得到明显提高的株系,本发明为高活力大豆品种选育提供新材料,对于大豆高种子活力育种及其相关应用研究将具有重大理论和应用价值。
2、测序筛选GmSV1敲除突变株,发现在GmSV1基因SEQ ID No.1的第317-320位有4个碱基的缺失,该突变是导致翻译蛋白提前终止的突变,获得纯合gmsv1-1突变单株;另外在第330位置有2个碱基的插入,该突变是导致翻译蛋白提前终止的突变,获得纯合gmsv1-2突变单株。突变单株的等位变异基因gmsv1-1和gmsv1-2的序列分别如SEQ ID No.2和SEQID No.3所示。
3、相对于受体科丰1号,gmsv1突变体后代发芽速率得到显著提高。在萌发第2天和第3天时,gmsv1-1发芽率相比科丰1号分别提高54.84%(p<0.01)和18.37%(p<0.05),gmsv1-2的发芽率相比科丰1号分别提高61.29%(p<0.01)和18.36%(p<0.05)。由此可见,gmsv1纯合突变体后代种子的活力得到明显提高,通过敲除GmSV1基因可改善受体材料的种子活力。等位变异基因gmsv1-1或gmsv1-2可以在提高大豆种子活力中得到应用。
4、耗时短。理论上来说大豆品种中的一个基因被CRISPR/Cas9编辑破坏其基因功能之后,只需要两代就能拿到编辑纯合并且无筛选标记的大豆株系,和传统育种的耗时相比大大缩短了品种培育所需要的时间。
附图说明
图1、发生基因编辑位点测序双峰图
图2、野生型(科丰1号)和gmsv1突变体大豆后代种子的萌发。(A)野生型(WT)、gmsv1-1和gmsv1-2突变体后代种子萌发36h后的萌发情况(比例尺代表1cm)(B)野生型(WT)gmsv1-1和gmsv1-2突变体后代种子发芽率条形图
具体实施方式
以下的实施例便于更好地理解本发明,但并不限定本发明。
下述实施例中的实验方法,如无特殊说明,均为常规方法。
本发明通过构建GmSV1基因的编辑载体CRISPR/Cas9-GmSV1,再通过农杆菌介导的遗传转化方法将编辑载体CRISPR/Cas9-GmSV1导入种子活力低的大豆材料科丰1号(公知公用)中,从后代中筛选获得GmSV1敲除的株系,继代繁殖获得该株系纯合后代,最后通过测定新收获种子的发芽率考察其种子活力。具体包括如下步骤:
(1)sgRNA的获得
利用CRISPR-P(http://http://cbi.hzau.edu.cn/CRISPR2/)在线网页工具进行GmSV1基因(SEQ ID No.1)sgRNA靶位点序列的选择。设计得到的靶点为SEQ ID No.1的第314-333位,位于GmSV1基因的第一外显子上,其序列如SEQ ID No.14所示,反向互补序列如SEQ ID No.15所示,靶点设计好后,根据靶标序列合成引物SEQ ID No.4和SEQ ID No.5。
(2)sgRNA表达盒构建
a、以pGmU6质粒(Du H,Zeng X,Zhao M,Cui X,Wang Q,Yang H,Cheng H,YuD.Efficient targetedmutagenesis in soybean by TALENs and CRISPR/Cas9.JBiotechnol.2016Jan 10;217:90-7.)DNA为模板,分别以SEQ ID No.4+SEQ ID No.7和SEQID No.5+SEQ ID No.6作为引物,进行PCR扩增,PCR所用的聚合酶为KOD FX(Toyobo公司)。反应体系为50uL,按照KOD FX的说明书配制PCR反应体系。反应条件为:94℃、3min;94℃、30sec;60℃、30sec;68℃、20sec,35个循环。
b、取上步得到的两份PCR产物各1uL,加水8uL,混匀;取1uL作为模板,以SEQ IDNo.5和SEQ ID No.6为引物进行扩增,反应体系,反应条件同上。
c、采用琼脂糖凝胶电泳回收扩增产物,获得表达盒片段sgRNA-GmSV1。
(3)编辑载体CRISPR/Cas9-GmSV1的构建
a、按照表1配制酶切反应体系(内切酶SalI-HF购自NEB公司),分别对CRISPR/Cas9编辑载体和表达盒片段sgRNA-GmSV1进行酶切反应,37℃,反应45min。
b、按照表1配制连接反应体系(T4连接酶购自NEB公司),分别对CRISPR/Cas9编辑载体和表达盒片段sgRNA-GmSV1进行酶切反应,22℃,反应2h。
表1双酶切体系
表2连接反应体系
c、利用冻融法将上述重组质粒转化到大肠杆菌DH5α中,转化产物涂布卡那霉素抗性的LB固体培养基,37℃培养过夜,挑取单克隆并进行菌检PCR,菌检所用引物为SEQ IDNo.8和SEQ ID No.9,将菌检PCR产物条带大小正确的菌液提取质粒,进行测序检测,以SEQID No.8和SEQ ID No.9作为测序引物,测序验证其序列正确的即为编辑载体CRISPR/Cas9-GmSV1。
(4)GmSV1突变体的获得
采用农杆菌介导的遗传转化方法(Zeng P,Vadnais DA,Zhang Z,Placco JC(2004)Refined glufosinate selection in Agrobacterium-mediated transformationofsoybean(Glycine max L.Merrill).Plant Cell Rep 22:478–482)将编辑载体CRISPR/Cas9-GmSV1导入种子活力低的大豆材料科丰1号。T0代,提取DNA,用引物SEQ ID No.10和SEQ ID No.11检测草丁膦抗性标记基因,扩增条带清晰的为阳性转化植株;再以阳性株DNA为模板,利用引物SEQ ID No.12和SEQ ID No.13扩增测序,结果表明在靶标位点(sgRNA)附近出现测序双峰即为基因编辑成功的转化幼苗(图1),获得GmSV1基因突变植株。
(5)GmSV1突变体后代DNA分析
继代繁殖GmSV1突变体植株,自交得到T1代株系。提取DNA,用引物SEQ ID No.10和SEQ ID No.11扩增,琼脂糖凝胶检测扩增产物,扩增条带清晰的为含草丁膦标记基因后代,利用引物SEQ ID No.12和SEQ ID No.13扩增GmSV1基因片段,测序筛选GmSV1敲除突变株,测序发现在GmSV1基因SEQ ID No.1的第317-320位有4个碱基的缺失,该突变是导致翻译蛋白提前终止的突变,获得纯合gmsv1-1;另外在第330位置有2个碱基的插入,该突变是导致翻译蛋白提前终止的突变,获得纯合gmsv1-2突变单株。突变单株的等位变异基因gmsv1-1和gmsv1-2的序列分别如SEQ ID No.2和SEQ ID No.3所示。
(6)gmsv1突变体后代种子活力分析
对收获gmsv1纯合突变体种子以及受体科丰1号种子进行室内萌发试验。将20粒种子置于9cm铺有滤纸的培养皿中,设置三个生物学重复,加水15毫升,吸胀萌发36h后弃水并置培养皿于25℃保温,每天统计发芽率,统计6天,以胚根长度超过种子长度作为发芽标准,以受体科丰1号为对照。如图2所示,相对于科丰1号,gmsv1突变体后代发芽速率得到显著提高。在萌发第2天和第3天时,gmsv1-1的发芽率相比受体科丰1号分别提高54.84%(p<0.01)和18.37%(p<0.05),gmsv1-2的发芽率相比科丰1号分别提高61.29%(p<0.01)和18.36%(p<0.05)。由此可见,gmsv1纯合突变体后代种子的活力得到明显提高,通过敲除GmSV1基因可改善受体材料的种子活力。等位变异基因gmsv1-1或gmsv1-2可以在提高大豆种子活力中得到应用。
上述实施方式仅为本发明的优选实施方式,不能以此来限定本发明保护的范围,本领域的技术人员在本发明的基础上所做的任何非实质性的变化及替换均属于本发明所要求保护的范围。
SEQ ID No.1:
ACTATTCTTGAGACCGTCCACTATCCCTCTAGCCATTATTGAACATTTGACCTTCTCAAACGTGTGTCTTTCCCATTGTCACATTTCTCACCATGTGATTCACACCTCTCTTCCACCGTCCACTCGTTAACCCAGTAATCTCCATTTGTCTTTCCCATATGATATATATATCACCTTTGCCTTCAACACATCCCACATAACATAACCTCTTGTTTTGTCATCTAAGAAAACCTAGTGAGAGTAAGCACACATTGATCAGCAACAATGGCAGCCTACTCAAGCCATGCTTTGAAAACCATCCCTTTTTCTTCCTTTGTGAAGCCTGTCAGTACCAAACCAACATCATTCTTCACACCTTCACCTACCAAACCTTTCTTACCCTTCACCTCACCAAACCACTCTCTCACCAAAAATCTCAAGCTGAACTCCACTTTGCCACACTTTTGCTTGTCTTCAGTTCCCAAGAAATCTTTCACTTGTAGAAGCCAGGCTGAGCCTGTTGACTCAGGTAGACATACCCAATTTTCAATTTTTTTTTTGCTTCACTTTTTTCTTTTGGCTGAATGAAAGTGGGTTTGGCTTGATCTTGCGTTGACCCTTTTGTTTTATTTTTTTGCTTCATTAATTTGTAGAAAAAGTCCAAGAACTGAGTGTGTATGAGATCAACGAGCGTGACCGTGGAAGCCCCGTTTATCTTCGATTGAGCTATAAAAGTGTCAATTCCCTTGGTGATTTAGTCCCCTTTAGCAACAAGGTAACTTTCTTCCGTTCTTGGACAAAATTTAGATATAATTTCATAAGTATTTCTAGTATTGATCTCCAATGAATATTGGAAATTTAACTAGATAATCTATATTGAACTTTAACGCAAAGTTTCATTATGCAAATTAATAAAGTGTAACTTCAATTCTAATTAGATAACAACAATAAAATCCTCAGAAAAACTGTACATATGTTTTATCCTTCAATGTTTTGCTGCATTTGAACGCATTTACTTTTGTTATGGTAATTTTATTTTAAAATTATAATATTCTGAATTTTACGTTTATGTTGAATTATTTGTTGTTTTGTATTATGTTCAAACCTTAACTTTATTAGCTGTAAAGGGTACATATTTGCTGTTGTTAAATTGTTATGATTCGAATGATGTAGTTGCAAATGTTCAATTTTGCATGTAATTGTTGGTTTGATACTATGCAGTTGTACACTGGAGATTTGCAAAAGCGCATTGGGATAACATCTGGTATCTGTATTTTGATCCAAAACAAAGCTGAAAAGAAAGGGGACAGGTATGAAGCAATCTTCAGCTTCTACTTTGGAGACTATGGTCACATAGCAGTGCAGGGACCTTACCTGACCTATGAGGACACATATTTGGCTGTGACTGGTGGGTCTGGCATATTTGAGGGTGTTAAAGGTCAAGTGAAGCTGCGTCAGATTGTGTATCCTTTCAAGATTTTGTACACATTTTATCTAAAGGGTATCAAGGATTTGCCTCAGGAGCTTCTTGTCAAGACTGTTGAGCCAATTCCATCTGTTGAACCTTCCCCTGCTGCTAAGGCCCTTGAGCCCAATGCTACCATTGCTGGCTTCACCGACTAATTCATCAACTTTTTTTGTATTTGCTTTGGCCTTTGTAGTAGTATGATTTAAGTTACTGAATAATAATAACAAGTGGGGACTATGATGGGTTTTGTAGTGGTGGAGTTTCTATTTAACGAAAAGCTTGACATTATTCAGTTAGTGGTGTTTAAGCAAATATAATGAATAAGGAAAGGAAGTATAATTATGTTTGCCATCATTTCATTATATTTTCGAATTGTGGTTGTGTTTGTATAATTATATAATAATATCATTTGTTGTATATTTTATAAA
SEQ ID No.2:
ACTATTCTTGAGACCGTCCACTATCCCTCTAGCCATTATTGAACATTTGACCTTCTCAAACGTGTGTCTTTCCCATTGTCACATTTCTCACCATGTGATTCACACCTCTCTTCCACCGTCCACTCGTTAACCCAGTAATCTCCATTTGTCTTTCCCATATGATATATATATCACCTTTGCCTTCAACACATCCCACATAACATAACCTCTTGTTTTGTCATCTAAGAAAACCTAGTGAGAGTAAGCACACATTGATCAGCAACAATGGCAGCCTACTCAAGCCATGCTTTGAAAACCATCCCTTTTTCTTCCTTTGGCCTGTCAGTACCAAACCAACATCATTCTTCACACCTTCACCTACCAAACCTTTCTTACCCTTCACCTCACCAAACCACTCTCTCACCAAAAATCTCAAGCTGAACTCCACTTTGCCACACTTTTGCTTGTCTTCAGTTCCCAAGAAATCTTTCACTTGTAGAAGCCAGGCTGAGCCTGTTGACTCAGGTAGACATACCCAATTTTCAATTTTTTTTTTGCTTCACTTTTTTCTTTTGGCTGAATGAAAGTGGGTTTGGCTTGATCTTGCGTTGACCCTTTTGTTTTATTTTTTTGCTTCATTAATTTGTAGAAAAAGTCCAAGAACTGAGTGTGTATGAGATCAACGAGCGTGACCGTGGAAGCCCCGTTTATCTTCGATTGAGCTATAAAAGTGTCAATTCCCTTGGTGATTTAGTCCCCTTTAGCAACAAGGTAACTTTCTTCCGTTCTTGGACAAAATTTAGATATAATTTCATAAGTATTTCTAGTATTGATCTCCAATGAATATTGGAAATTTAACTAGATAATCTATATTGAACTTTAACGCAAAGTTTCATTATGCAAATTAATAAAGTGTAACTTCAATTCTAATTAGATAACAACAATAAAATCCTCAGAAAAACTGTACATATGTTTTATCCTTCAATGTTTTGCTGCATTTGAACGCATTTACTTTTGTTATGGTAATTTTATTTTAAAATTATAATATTCTGAATTTTACGTTTATGTTGAATTATTTGTTGTTTTGTATTATGTTCAAACCTTAACTTTATTAGCTGTAAAGGGTACATATTTGCTGTTGTTAAATTGTTATGATTCGAATGATGTAGTTGCAAATGTTCAATTTTGCATGTAATTGTTGGTTTGATACTATGCAGTTGTACACTGGAGATTTGCAAAAGCGCATTGGGATAACATCTGGTATCTGTATTTTGATCCAAAACAAAGCTGAAAAGAAAGGGGACAGGTATGAAGCAATCTTCAGCTTCTACTTTGGAGACTATGGTCACATAGCAGTGCAGGGACCTTACCTGACCTATGAGGACACATATTTGGCTGTGACTGGTGGGTCTGGCATATTTGAGGGTGTTAAAGGTCAAGTGAAGCTGCGTCAGATTGTGTATCCTTTCAAGATTTTGTACACATTTTATCTAAAGGGTATCAAGGATTTGCCTCAGGAGCTTCTTGTCAAGACTGTTGAGCCAATTCCATCTGTTGAACCTTCCCCTGCTGCTAAGGCCCTTGAGCCCAATGCTACCATTGCTGGCTTCACCGACTAATTCATCAACTTTTTTTGTATTTGCTTTGGCCTTTGTAGTAGTATGATTTAAGTTACTGAATAATAATAACAAGTGGGGACTATGATGGGTTTTGTAGTGGTGGAGTTTCTATTTAACGAAAAGCTTGACATTATTCAGTTAGTGGTGTTTAAGCAAATATAATGAATAAGGAAAGGAAGTATAATTATGTTTGCCATCATTTCATTATATTTTCGAATTGTGGTTGTGTTTGTATAATTATATAATAATATCATTTGTTGTATATTTTATAAA
SEQ ID No.3:
ACTATTCTTGAGACCGTCCACTATCCCTCTAGCCATTATTGAACATTTGACCTTCTCAAACGTGTGTCTTTCCCATTGTCACATTTCTCACCATGTGATTCACACCTCTCTTCCACCGTCCACTCGTTAACCCAGTAATCTCCATTTGTCTTTCCCATATGATATATATATCACCTTTGCCTTCAACACATCCCACATAACATAACCTCTTGTTTTGTCATCTAAGAAAACCTAGTGAGAGTAAGCACACATTGATCAGCAACAATGGCAGCCTACTCAAGCCATGCTTTGAAAACCATCCCTTTTTCTTCCTTTGTGAAGCCTGTCAGTCAACCAAACCAACATCATTCTTCACACCTTCACCTACCAAACCTTTCTTACCCTTCACCTCACCAAACCACTCTCTCACCAAAAATCTCAAGCTGAACTCCACTTTGCCACACTTTTGCTTGTCTTCAGTTCCCAAGAAATCTTTCACTTGTAGAAGCCAGGCTGAGCCTGTTGACTCAGGTAGACATACCCAATTTTCAATTTTTTTTTTGCTTCACTTTTTTCTTTTGGCTGAATGAAAGTGGGTTTGGCTTGATCTTGCGTTGACCCTTTTGTTTTATTTTTTTGCTTCATTAATTTGTAGAAAAAGTCCAAGAACTGAGTGTGTATGAGATCAACGAGCGTGACCGTGGAAGCCCCGTTTATCTTCGATTGAGCTATAAAAGTGTCAATTCCCTTGGTGATTTAGTCCCCTTTAGCAACAAGGTAACTTTCTTCCGTTCTTGGACAAAATTTAGATATAATTTCATAAGTATTTCTAGTATTGATCTCCAATGAATATTGGAAATTTAACTAGATAATCTATATTGAACTTTAACGCAAAGTTTCATTATGCAAATTAATAAAGTGTAACTTCAATTCTAATTAGATAACAACAATAAAATCCTCAGAAAAACTGTACATATGTTTTATCCTTCAATGTTTTGCTGCATTTGAACGCATTTACTTTTGTTATGGTAATTTTATTTTAAAATTATAATATTCTGAATTTTACGTTTATGTTGAATTATTTGTTGTTTTGTATTATGTTCAAACCTTAACTTTATTAGCTGTAAAGGGTACATATTTGCTGTTGTTAAATTGTTATGATTCGAATGATGTAGTTGCAAATGTTCAATTTTGCATGTAATTGTTGGTTTGATACTATGCAGTTGTACACTGGAGATTTGCAAAAGCGCATTGGGATAACATCTGGTATCTGTATTTTGATCCAAAACAAAGCTGAAAAGAAAGGGGACAGGTATGAAGCAATCTTCAGCTTCTACTTTGGAGACTATGGTCACATAGCAGTGCAGGGACCTTACCTGACCTATGAGGACACATATTTGGCTGTGACTGGTGGGTCTGGCATATTTGAGGGTGTTAAAGGTCAAGTGAAGCTGCGTCAGATTGTGTATCCTTTCAAGATTTTGTACACATTTTATCTAAAGGGTATCAAGGATTTGCCTCAGGAGCTTCTTGTCAAGACTGTTGAGCCAATTCCATCTGTTGAACCTTCCCCTGCTGCTAAGGCCCTTGAGCCCAATGCTACCATTGCTGGCTTCACCGACTAATTCATCAACTTTTTTTGTATTTGCTTTGGCCTTTGTAGTAGTATGATTTAAGTTACTGAATAATAATAACAAGTGGGGACTATGATGGGTTTTGTAGTGGTGGAGTTTCTATTTAACGAAAAGCTTGACATTATTCAGTTAGTGGTGTTTAAGCAAATATAATGAATAAGGAAAGGAAGTATAATTATGTTTGCCATCATTTCATTATATTTTCGAATTGTGGTTGTGTTTGTATAATTATATAATAATATCATTTGTTGTATATTTTATAAA
SEQ ID No.4:
TTGTGAAGCCTGTCAGTACCGTTTTAGAGCTAGAAATAGCAAG
SEQ ID No.5:
GGTACTGACAGGCTTCACAAAATCCATATGTTTTCCTGGGAC
SEQ ID No.6:
GTCAGTCGACGGAATTGTGAGCGGATAAC
SEQ ID No.7:
GTCAGTCGACCCATGAATAGGTCTATGACC
SEQ ID No.8:
GAGTTAGCTCACTCATTAGGC
SEQ ID No.9:
GATAGAGGTACGCTACTATAC
SEQ ID No.10:
CCATCGTCAACCACTACATCGAGACA
SEQ ID No.11:
CTTCAGCAGGTGGGTGTAGAGCGT
SEQ ID No.12:
TGAGACCGTCCACTATCCCT
SEQ ID No.13:
TTAGTCGGTGAAGCCAGCAA
SEQ ID No.14:
TTGTGAAGCCTGTCAGTACC
SEQ ID No.15:
GGTACTGACAGGCTTCACAA。
序列表
<110> 江苏省农业科学院
<120> 大豆种子活力调控基因GmSV1及其应用
<160> 15
<170> SIPOSequenceListing 1.0
<210> 1
<211> 1875
<212> DNA
<213> 大豆(Glycine max)
<400> 1
actattcttg agaccgtcca ctatccctct agccattatt gaacatttga ccttctcaaa 60
cgtgtgtctt tcccattgtc acatttctca ccatgtgatt cacacctctc ttccaccgtc 120
cactcgttaa cccagtaatc tccatttgtc tttcccatat gatatatata tcacctttgc 180
cttcaacaca tcccacataa cataacctct tgttttgtca tctaagaaaa cctagtgaga 240
gtaagcacac attgatcagc aacaatggca gcctactcaa gccatgcttt gaaaaccatc 300
cctttttctt cctttgtgaa gcctgtcagt accaaaccaa catcattctt cacaccttca 360
cctaccaaac ctttcttacc cttcacctca ccaaaccact ctctcaccaa aaatctcaag 420
ctgaactcca ctttgccaca cttttgcttg tcttcagttc ccaagaaatc tttcacttgt 480
agaagccagg ctgagcctgt tgactcaggt agacataccc aattttcaat tttttttttg 540
cttcactttt ttcttttggc tgaatgaaag tgggtttggc ttgatcttgc gttgaccctt 600
ttgttttatt tttttgcttc attaatttgt agaaaaagtc caagaactga gtgtgtatga 660
gatcaacgag cgtgaccgtg gaagccccgt ttatcttcga ttgagctata aaagtgtcaa 720
ttcccttggt gatttagtcc cctttagcaa caaggtaact ttcttccgtt cttggacaaa 780
atttagatat aatttcataa gtatttctag tattgatctc caatgaatat tggaaattta 840
actagataat ctatattgaa ctttaacgca aagtttcatt atgcaaatta ataaagtgta 900
acttcaattc taattagata acaacaataa aatcctcaga aaaactgtac atatgtttta 960
tccttcaatg ttttgctgca tttgaacgca tttacttttg ttatggtaat tttattttaa 1020
aattataata ttctgaattt tacgtttatg ttgaattatt tgttgttttg tattatgttc 1080
aaaccttaac tttattagct gtaaagggta catatttgct gttgttaaat tgttatgatt 1140
cgaatgatgt agttgcaaat gttcaatttt gcatgtaatt gttggtttga tactatgcag 1200
ttgtacactg gagatttgca aaagcgcatt gggataacat ctggtatctg tattttgatc 1260
caaaacaaag ctgaaaagaa aggggacagg tatgaagcaa tcttcagctt ctactttgga 1320
gactatggtc acatagcagt gcagggacct tacctgacct atgaggacac atatttggct 1380
gtgactggtg ggtctggcat atttgagggt gttaaaggtc aagtgaagct gcgtcagatt 1440
gtgtatcctt tcaagatttt gtacacattt tatctaaagg gtatcaagga tttgcctcag 1500
gagcttcttg tcaagactgt tgagccaatt ccatctgttg aaccttcccc tgctgctaag 1560
gcccttgagc ccaatgctac cattgctggc ttcaccgact aattcatcaa ctttttttgt 1620
atttgctttg gcctttgtag tagtatgatt taagttactg aataataata acaagtgggg 1680
actatgatgg gttttgtagt ggtggagttt ctatttaacg aaaagcttga cattattcag 1740
ttagtggtgt ttaagcaaat ataatgaata aggaaaggaa gtataattat gtttgccatc 1800
atttcattat attttcgaat tgtggttgtg tttgtataat tatataataa tatcatttgt 1860
tgtatatttt ataaa 1875
<210> 2
<211> 1871
<212> DNA
<213> 大豆(Glycine max)
<400> 2
actattcttg agaccgtcca ctatccctct agccattatt gaacatttga ccttctcaaa 60
cgtgtgtctt tcccattgtc acatttctca ccatgtgatt cacacctctc ttccaccgtc 120
cactcgttaa cccagtaatc tccatttgtc tttcccatat gatatatata tcacctttgc 180
cttcaacaca tcccacataa cataacctct tgttttgtca tctaagaaaa cctagtgaga 240
gtaagcacac attgatcagc aacaatggca gcctactcaa gccatgcttt gaaaaccatc 300
cctttttctt cctttggcct gtcagtacca aaccaacatc attcttcaca ccttcaccta 360
ccaaaccttt cttacccttc acctcaccaa accactctct caccaaaaat ctcaagctga 420
actccacttt gccacacttt tgcttgtctt cagttcccaa gaaatctttc acttgtagaa 480
gccaggctga gcctgttgac tcaggtagac atacccaatt ttcaattttt tttttgcttc 540
acttttttct tttggctgaa tgaaagtggg tttggcttga tcttgcgttg acccttttgt 600
tttatttttt tgcttcatta atttgtagaa aaagtccaag aactgagtgt gtatgagatc 660
aacgagcgtg accgtggaag ccccgtttat cttcgattga gctataaaag tgtcaattcc 720
cttggtgatt tagtcccctt tagcaacaag gtaactttct tccgttcttg gacaaaattt 780
agatataatt tcataagtat ttctagtatt gatctccaat gaatattgga aatttaacta 840
gataatctat attgaacttt aacgcaaagt ttcattatgc aaattaataa agtgtaactt 900
caattctaat tagataacaa caataaaatc ctcagaaaaa ctgtacatat gttttatcct 960
tcaatgtttt gctgcatttg aacgcattta cttttgttat ggtaatttta ttttaaaatt 1020
ataatattct gaattttacg tttatgttga attatttgtt gttttgtatt atgttcaaac 1080
cttaacttta ttagctgtaa agggtacata tttgctgttg ttaaattgtt atgattcgaa 1140
tgatgtagtt gcaaatgttc aattttgcat gtaattgttg gtttgatact atgcagttgt 1200
acactggaga tttgcaaaag cgcattggga taacatctgg tatctgtatt ttgatccaaa 1260
acaaagctga aaagaaaggg gacaggtatg aagcaatctt cagcttctac tttggagact 1320
atggtcacat agcagtgcag ggaccttacc tgacctatga ggacacatat ttggctgtga 1380
ctggtgggtc tggcatattt gagggtgtta aaggtcaagt gaagctgcgt cagattgtgt 1440
atcctttcaa gattttgtac acattttatc taaagggtat caaggatttg cctcaggagc 1500
ttcttgtcaa gactgttgag ccaattccat ctgttgaacc ttcccctgct gctaaggccc 1560
ttgagcccaa tgctaccatt gctggcttca ccgactaatt catcaacttt ttttgtattt 1620
gctttggcct ttgtagtagt atgatttaag ttactgaata ataataacaa gtggggacta 1680
tgatgggttt tgtagtggtg gagtttctat ttaacgaaaa gcttgacatt attcagttag 1740
tggtgtttaa gcaaatataa tgaataagga aaggaagtat aattatgttt gccatcattt 1800
cattatattt tcgaattgtg gttgtgtttg tataattata taataatatc atttgttgta 1860
tattttataa a 1871
<210> 15
<211> 1877
<212> DNA
<213> 大豆(Glycine max)
<400> 15
actattcttg agaccgtcca ctatccctct agccattatt gaacatttga ccttctcaaa 60
cgtgtgtctt tcccattgtc acatttctca ccatgtgatt cacacctctc ttccaccgtc 120
cactcgttaa cccagtaatc tccatttgtc tttcccatat gatatatata tcacctttgc 180
cttcaacaca tcccacataa cataacctct tgttttgtca tctaagaaaa cctagtgaga 240
gtaagcacac attgatcagc aacaatggca gcctactcaa gccatgcttt gaaaaccatc 300
cctttttctt cctttgtgaa gcctgtcagt caaccaaacc aacatcattc ttcacacctt 360
cacctaccaa acctttctta cccttcacct caccaaacca ctctctcacc aaaaatctca 420
agctgaactc cactttgcca cacttttgct tgtcttcagt tcccaagaaa tctttcactt 480
gtagaagcca ggctgagcct gttgactcag gtagacatac ccaattttca attttttttt 540
tgcttcactt ttttcttttg gctgaatgaa agtgggtttg gcttgatctt gcgttgaccc 600
ttttgtttta tttttttgct tcattaattt gtagaaaaag tccaagaact gagtgtgtat 660
gagatcaacg agcgtgaccg tggaagcccc gtttatcttc gattgagcta taaaagtgtc 720
aattcccttg gtgatttagt cccctttagc aacaaggtaa ctttcttccg ttcttggaca 780
aaatttagat ataatttcat aagtatttct agtattgatc tccaatgaat attggaaatt 840
taactagata atctatattg aactttaacg caaagtttca ttatgcaaat taataaagtg 900
taacttcaat tctaattaga taacaacaat aaaatcctca gaaaaactgt acatatgttt 960
tatccttcaa tgttttgctg catttgaacg catttacttt tgttatggta attttatttt 1020
aaaattataa tattctgaat tttacgttta tgttgaatta tttgttgttt tgtattatgt 1080
tcaaacctta actttattag ctgtaaaggg tacatatttg ctgttgttaa attgttatga 1140
ttcgaatgat gtagttgcaa atgttcaatt ttgcatgtaa ttgttggttt gatactatgc 1200
agttgtacac tggagatttg caaaagcgca ttgggataac atctggtatc tgtattttga 1260
tccaaaacaa agctgaaaag aaaggggaca ggtatgaagc aatcttcagc ttctactttg 1320
gagactatgg tcacatagca gtgcagggac cttacctgac ctatgaggac acatatttgg 1380
ctgtgactgg tgggtctggc atatttgagg gtgttaaagg tcaagtgaag ctgcgtcaga 1440
ttgtgtatcc tttcaagatt ttgtacacat tttatctaaa gggtatcaag gatttgcctc 1500
aggagcttct tgtcaagact gttgagccaa ttccatctgt tgaaccttcc cctgctgcta 1560
aggcccttga gcccaatgct accattgctg gcttcaccga ctaattcatc aacttttttt 1620
gtatttgctt tggcctttgt agtagtatga tttaagttac tgaataataa taacaagtgg 1680
ggactatgat gggttttgta gtggtggagt ttctatttaa cgaaaagctt gacattattc 1740
agttagtggt gtttaagcaa atataatgaa taaggaaagg aagtataatt atgtttgcca 1800
tcatttcatt atattttcga attgtggttg tgtttgtata attatataat aatatcattt 1860
gttgtatatt ttataaa 1877
<210> 3
<211> 43
<212> DNA
<213> 大豆(Glycine max)
<400> 3
ttgtgaagcc tgtcagtacc gttttagagc tagaaatagc aag 43
<210> 4
<211> 42
<212> DNA
<213> 大豆(Glycine max)
<400> 4
ggtactgaca ggcttcacaa aatccatatg ttttcctggg ac 42
<210> 5
<211> 29
<212> DNA
<213> 大豆(Glycine max)
<400> 5
gtcagtcgac ggaattgtga gcggataac 29
<210> 6
<211> 30
<212> DNA
<213> 大豆(Glycine max)
<400> 6
gtcagtcgac ccatgaatag gtctatgacc 30
<210> 7
<211> 21
<212> DNA
<213> 大豆(Glycine max)
<400> 7
gagttagctc actcattagg c 21
<210> 8
<211> 21
<212> DNA
<213> 大豆(Glycine max)
<400> 8
gatagaggta cgctactata c 21
<210> 9
<211> 26
<212> DNA
<213> 大豆(Glycine max)
<400> 9
ccatcgtcaa ccactacatc gagaca 26
<210> 10
<211> 24
<212> DNA
<213> 大豆(Glycine max)
<400> 10
cttcagcagg tgggtgtaga gcgt 24
<210> 11
<211> 20
<212> DNA
<213> 大豆(Glycine max)
<400> 11
tgagaccgtc cactatccct 20
<210> 12
<211> 20
<212> DNA
<213> 大豆(Glycine max)
<400> 12
ttagtcggtg aagccagcaa 20
<210> 13
<211> 20
<212> DNA
<213> 大豆(Glycine max)
<400> 13
ttgtgaagcc tgtcagtacc 20
<210> 14
<211> 20
<212> DNA
<213> 大豆(Glycine max)
<400> 14
ggtactgaca ggcttcacaa 20
Claims (7)
1.一种大豆种子活力调控基因GmSV1,来源于大豆,其核苷酸序列为:SEQ ID No.1。
2.权利要求1所述大豆种子活力调控基因GmSV1在基因工程提高大豆种子活力中的应用。
3.根据权利要求2所述的应用,其特征在于:是通过CRISPR/Cas9系统编辑技术使所述基因发生突变导致翻译蛋白提前终止,获得高种子活力大豆株系。
4.根据权利要求1或2所述的应用,其特征在于:具体包括如下步骤:
1)编辑载体构建:参照CRISPR/Cas9编辑技术,选定靶标序列,构建编辑载体;
2)采用农杆菌介导的遗传转化方法将编辑载体转入种子活力低的大豆品种中;
3)参照受体品种GmSV1基因序列,筛选GmSV1基因突变株;繁殖该突变株获得大豆种子活力提高的株系。
5.根据权利要求4所述的应用,其特征在于,所述CRISPR/Cas9编辑系统的靶标序列sgRNA为SEQ ID No.1的第314-333位,位于GmSV1的第一外显子上,其序列如SEQ ID No.14所示。
6.根据权利要求4所述的应用,其特征在于,CRISPR/Cas9编辑系统创制的GmSV1基因等位变异基因gmsv1-1或gmsv1-2,其基因序列分别如SEQ ID No.2、SEQ ID No.3所示。
7.权利要求6所述的等位变异基因gmsv1-1或gmsv1-2在提高大豆种子活力中的应用。
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