CN112724218B - 一种分离的莴苣Tr基因及其在控制莴苣对嗪胺灵过敏反应中的应用 - Google Patents

一种分离的莴苣Tr基因及其在控制莴苣对嗪胺灵过敏反应中的应用 Download PDF

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CN112724218B
CN112724218B CN202110116744.XA CN202110116744A CN112724218B CN 112724218 B CN112724218 B CN 112724218B CN 202110116744 A CN202110116744 A CN 202110116744A CN 112724218 B CN112724218 B CN 112724218B
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匡汉晖
安光辉
陈炯炯
张维奕
余长春
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Abstract

本发明属于植物工程技术领域,公开了一种分离的莴苣Tr基因及其在控制莴苣对嗪胺灵过敏反应中的应用。所述基因的核苷酸序列如SEQ ID NO.1所示。通过农杆菌介导转化Tr基因到不敏感莴苣,其结果表明,Tr能够使不敏感莴苣转变为对嗪胺灵敏感。通过CRISPR‑Cas9技术在敏感莴苣中敲除Tr基因的结果表明,Tr能够使敏感莴苣变为不敏感。Tr是莴苣中鉴定到的第一个控制莴苣对嗪胺灵过敏反应的基因,为植物过敏反应和抗病生物学途径的研究提供了新的实验材料和研究方法。同时Tr基因可作为载体选择标记,也可应用于转基因后代marker‑free个体的大规模高效筛选。

Description

一种分离的莴苣Tr基因及其在控制莴苣对嗪胺灵过敏反应中 的应用
技术领域
本发明属于植物工程技术领域,具体涉及一种分离的莴苣Tr基因及其在控制莴苣对嗪胺灵过敏反应中的应用。
背景技术
莴苣(Lactuca sativaL.)是菊科莴苣属植物,原产于地中海地区,是我国重要的蔬菜作物。依据其不同的形态及食用部位,莴苣可以进一步划分为叶用莴苣(即生菜,Lactuca sativaLinn.var.ramosa Hort.)、茎用莴苣(即莴笋,Lactuca sativaLinn.var.angustata Irish ex Bremer)。生菜可进一步分为罗马生菜(Romaine)、结球生菜(Crisphead)、散叶生菜(Looseleaf)、奶油生菜(Butterhead)等(Zhang et al.2017)。部分莴苣种质,尤其是罗马莴苣(Romaine)种质,表现为对杀菌剂嗪胺灵过敏,在喷施嗪胺灵溶液或含有嗪胺灵的农药之后,过敏莴苣在24小时内产生坏死斑点并失水萎蔫(Maxon1979)。因此,对莴苣的种植和生产产生了不便。世界范围内,莴苣尤其是罗马莴苣被大量种植,因而具有非常重要的经济价值。2017年,莴苣基因组测序完成,为莴苣各种遗传性状的控制基因的克隆及其功能研究提供了便利。
申请人发现,控制莴苣对嗪胺灵的过敏反应是由一个编码TIR-NBS-LRR类的抗病基因控制的。到目前为止,控制莴苣对嗪胺灵过敏反应的基因的类型及其分子机理均未被报道。因此,对控制莴苣对嗪胺灵过敏反应的基因的克隆及对其分子机理的解析具有重要的理论和应用价值。
发明内容
本发明的目的在于提供了一种分离的莴苣Tr基因,所述基因编码的蛋白质为SEQID NO.3所示,对应的CDS序列为SEQ ID NO.2所示。
本发明的另一个目的在于提供了莴苣Tr基因在控制莴苣对嗪胺灵过敏反应中的应用。
为了达到上述目的,本发明采取以下技术措施:
莴苣对嗪胺灵过敏反应的相关基因Tr的获得:
本发明通过利用对嗪胺灵过敏的罗马生菜(Romaine)与对嗪胺灵不过敏的结球生菜(Crisphead)进行杂交获得F1杂种,F1进一步自交获得F2代。利用F2代群体,联合BSR-seq和传统的遗传定位的方法,对控制莴苣对嗪胺灵过敏反应的基因进行图位克隆。对定位区间内参考基因组上的基因进行功能注释及序列分析,对F2代分离群体中的交换单株的单倍型分析之后,确定了候选基因,并通过转基因互补实验以及基因编辑实验验证了候选基因Tr编码对嗪胺灵的敏感性。该基因编码一个TIR-NBS-LRR类的抗病基因,属于TNL家族,Tr基因编码的白质为SEQ ID NO.3所示,其CDS为SEQ ID NO.2所示,Tr基因的全长为SEQ IDNO.1所示。
本发明的另一个目的在于提供了莴苣Tr基因在控制莴苣对嗪胺灵过敏反应中的应用;包括利用本领域的常规方式,将SEQ ID NO.3所示蛋白质对应的核苷酸在不敏感莴苣中表达,获得的转基因植株的表型变为嗪胺灵敏感;或者利用突变、敲除或基因沉默等方式,将Tr在敏感莴苣中敲除,获得的纯合敲除的转基因植株的表型为嗪胺灵不敏感。
以上所述的应用中,优选的,所述的嗪胺灵不敏感转基因植株包括SEQ ID NO.4~SEQ ID NO.9中的任一一个序列。
本发明的保护内容还包括:检测SEQ ID NO.3所示蛋白质对应的核苷酸,或SEQ IDNO.1所示基因的试剂用于莴苣嗪胺灵敏感性的筛选或育种;
SEQ ID NO.3所示蛋白质对应的核苷酸或SEQ ID NO.1所示基因制备嗪胺灵不敏感或嗪胺灵敏感的转基因莴苣;
以上所述的莴苣,优选的,为罗马生菜(Romaine)或结球生菜(Crisphead)。
更详细的技术方案见《具体实施方式》。
与现有技术相比,本发明具有以下优点:
本发明首次提出了一个控制莴苣对嗪胺灵过敏反应的基因,对莴苣对嗪胺灵过敏反应的分子机理以及植物抗病生物学途径的研究具有重要的理论意义。
作为首个克隆的控制莴苣对嗪胺灵过敏反应的基因。到目前为止,Tr基因从未被报道过参与任何植物对嗪胺灵的过敏反应。该基因在植物过敏反应和抗病生物学途径研究中有重要应用潜力,也可用于对转基因后代的marker-free个体的高通量选择。
附图说明
图1为敏感莴苣和不敏感莴苣在嗪胺灵溶液处理前(左)和处理24小时后(右)的表型示意图。
图2为莴苣一号染色体的约120Mb处有一个控制莴苣对嗪胺灵过敏反应性状的遗传位点示意图。
图3在不敏感莴苣中互补Tr基因可以使不敏感莴苣的表型变为敏感,在敏感莴苣中敲除Tr基因可以使敏感莴苣的表型变为不敏感。
其中:(a)在不敏感莴苣中互补Tr基因,得到阳性互补转基因植株Tr-COM#1,Tr-COM#1的表型由不敏感变为敏感(左一、左二);在敏感莴苣中敲除Tr基因,得到纯合敲除Tr基因的植株Tr-CR#1,Tr-CR#1的表型由敏感变为不敏感(右二、右一);标尺为1cm;
(b)转基因植株Tr-COM#1的T1代单株基因型与表型分析;S代表敏感表型;I代表不敏感表型;扩增出条带的孔道代表含有Tr转基因插入的植株;无扩增条带的孔道代表无Tr转基因插入的植株。
具体实施方式
本发明所述技术方案,如未特别说明,均为本领域的常规方案;所述试剂或材料,如未特别说明,均来源于商业渠道。
在本发明实施例中,不敏感莴苣为对嗪胺灵不敏感的结球生菜(Crisphead,PI536839);敏感莴苣为对嗪胺灵敏感的罗马生菜(Romaine,PI344074)。
实施例1:
控制莴苣对嗪胺灵过敏反应的基因Tr的获得:
1.莴苣对嗪胺灵过敏反应的遗传分析
为分析控制莴苣对嗪胺灵过敏反应的基因的遗传规律,本发明采用对嗪胺灵敏感的罗马生菜(Romaine,PI344074)与对嗪胺灵不敏感的结球生菜(Crisphead,PI536839)作为亲本(图1),进行杂交获得F1,进一步自交获得F2代群体(Yu et al.2020)。对F2代个体进行嗪胺灵溶液处理并对24小时之后的表型进行评估、记录及统计分析。在179株个体的F2群体中敏感表型的个体数量为134个,不敏感表型的个体数量为45个,敏感个体:不敏感个体=134:45≈3:1(χ2=0.0128<χ2(0.05,1)=3.84,P>0.05)。显示控制莴苣对嗪胺灵过敏反应的表型是由单基因控制的质量性状。
2.Tr基因的图位克隆
为克隆上述F2代分离群体中控制莴苣对嗪胺灵过敏反应的基因,本研究采用了BSR-seq的分析方法。从F2群体中选取敏感性状单株20株和不敏感性状单株20株,取相同生长部位及大小的叶片混合后磨样,提取两个混池的总RNA,并进一步采用IlluminaHiseq2500平台对总RNA进行测序。将RNA测序数据比对到莴苣参考基因组(https://genomevolution.org/coge/GenomeInfo.pl?gid=28333)上,采用SAMtools软件对两个混池进行SNP分析,并计算Δ(SNP-index)平均值,采用perl脚本对Δ(SNP-index)平均值进行图形展示。结果表明,在莴苣一号染色体的约120Mb处有一个明显的效应位点,即此位置存在一个控制莴苣对嗪胺灵过敏反应性状的遗传位点(图2)。借助分子标记,对该遗传基因进行图位克隆,最终筛选出一个基因与嗪胺灵敏感性状共分离。该基因只存在与敏感的个体中,不存在于不敏感的个体中,所述基因编码的蛋白质为SEQ ID NO.3所示,对应的CDS序列为SEQ ID NO.2所示,基因全长为SEQ ID NO.1所示。
实施例2:
控制莴苣对嗪胺灵过敏反应的基因Tr在莴苣中的应用:
(1)以敏感罗马生菜(Romaine,PI344074)DNA为模板,用引物:AGHP544F:GATATATTTCTCAAGATCAGAAGTACTAATTAAAGGGTTTGGAATTGAAA和AGHP544F:TTGAACGATCGGGGAAATTCGAGCTCTTACACATAAGACATGACAA,扩增出的目的片段包含SEQ ID NO.1所示序列,通过同源重组的方法将其插入到pRI101植物表达载体中(载体经SacI/ScaI线性化),并在农杆菌介导下(Curtis et al.1994)转化不敏感莴苣(tr/tr)。使用转基因检测引物:AGHP538F:CTTCTGTAAAAGGATCATGCC;AGHP538R:CTTGACATCTTCTTCACTTG检测转基因植株,共获得了4株转基因植株,并且每个株系均表现为对嗪胺灵敏感的表型(图3中(a)左二显示其中的一株转基因植株Tr-COM#1对嗪胺灵敏感的表型)。对其中一个转基因株系的T1代敏感表型及基因型分析发现,具有转基因插入的单株均表现为敏感表型,而无转基因插入的单株表现为不敏感表型(图3中(b)),表明转基因植株的敏感表型与转基因插入片段共分离,进一步验证了Tr具有控制莴苣对嗪胺灵过敏反应性状的功能。
(2)利用CRISPR-Cas9技术,对敏感亲本中的Tr基因进行敲除,gRNA序列是:CTTGACATCTTCTTCACTT,通过同源重组的方法将gRNA和U6启动子序列插入到经BsaI线性化的CRISPR-Cas9敲除载体pKSE401中(Tang et al.2018),并在农杆菌介导下(Curtisetal.1994),转化敏感莴苣(Tr/Tr),使用转基因检测引物:U26F:TGTCCCAGGATTAGAATGATTAGGC;U29R:AGCCCTCTTCTTTCGATCCATCAAC检测转基因植株,共获得了6株纯合敲除的转基因植株,并且对每个株系的敲除事件进行Sanger测序分析(图3中(c),测序获得的突变序列具体为:
Tr-CR#1:CCAATTATCAATAGAATCGTTAGCTTGGGTTGAACGATTACGAAATTGAAGGTGTGATCAAAATCCAAGAAATGATGAGTGT
Tr-CR#2:CCAATTATCAATAGAATCGTTAGACTTGACATCTTCTCTTGGGTTGAACGATTACGAAATTGAAGGTGTGATCAAAATCCAAGAAATGATGAGTGT
Tr-CR#3:CCAATTATCAATAGAATCGTTAGACTTGACATCTTCTTGGGTTGAACGATTACGAAATTGAAGGTGTGATCAAAATCCAAGAAATGATGAGTGT
Tr-CR#4:CCAATTATCAATAGAATCGTTAGACTTGACATCTTCTTCAAGAAATGATGAGTGT
Tr-CR#5:CCAATTATCAATAGAATCGTTAGACTTGACATCTTCTTCCTTGGGTTGAACGATTACGAAATTGAAGGTGTGATCAAAATCCAAGAAATGATGAGTGT
Tr-CR#6:CCAATTATCAATAGAATCGTTAGACTTGACATCTTCTTCATCTTGGGTTGAACGATTACGAAATTGAAGGTGTGATCAAAATCCAAGAAATGATGAGTGT
对所有6个转基因株系的T1代表型及基因型分析发现,具有Tr基因纯合敲除的单株均表现为不敏感表型,而Tr基因无敲除或是杂合敲除的单株表现为敏感表型(图3中(a)右一显示其中的一株转基因植株Tr-CR#1对嗪胺灵不敏感的表型),表明Tr基因敲除事件与不敏感表型共分离,进一步验证了Tr具有控制莴苣对嗪胺灵过敏反应性状的功能。
序列表
<110> 华中农业大学
<120> 一种分离的莴苣Tr基因及其在控制莴苣对嗪胺灵过敏反应中的应用
<160> 16
<170> SIPOSequenceListing 1.0
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<211> 7270
<212> DNA
<213> 人工序列(Artificial Sequence)
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aaaaatatat acatgcttac tcttactcaa aattctatct aagatataat aataatatat 180
ttaggtatcg aactctttat atgtatatat aactatattc cggtgaattg taaaagaaat 240
gtcaaacata tattataatg gtacgtggta ttaatttcag cccaatatat atttttctca 300
agcaaaaccc agcccaaaga tatcttcttc catttaaaag agcaaacaca acccgcacaa 360
acattcattc ggaaaaaaaa aataataaaa aaaatagaga aattaaatat ccttttactt 420
ttgttcctat aaatcctcct accaaattaa atgatgatat ttgtcatttt aatatatata 480
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aagccatgtc gaaataccga ccacaaaaca cccactacac gctagaatct tagtatcact 660
ggttgtaaca tttgcacttt cgttgaattt gcgtaataaa tatctgcatt ttcttggaat 720
ttaccttctc cttataaata aatattaata atacttataa agtaaaaaga aaaggagcac 780
ccctaaccca tcatcctcgt tcactctcct ctatatatgg ccgcctccct tcatccttaa 840
ctcgccgttt acctgccgac ttaccgtttt cagtcgtctt tctcagcctc gtcactgttg 900
gttcatcctc tttcatccct gcttcagatc tctaggttag tttcagatat tgtttgacaa 960
tttttcttat taatcataag tcaacgtcat aatcaattgt ttatttcgcg aacatgtgat 1020
tggatttatt ttctatttca gttactttta tttaatatta tatatcaatt aggatagcag 1080
acactctttt tagagtcaag tccactactc cagaatcatg aacagaaatt cgtgcaattg 1140
ggaaattttt cagcgctaca aaattgcttc ctcaattcct ttatattttc aaggaaattt 1200
gaggatctgt gtgtcaagaa gcttcttttt tttttttttt tttttttttt tttttttttt 1260
ttttttcctg tttggatctt taaattactc atttttgata tctagcgaac gcttgaaaat 1320
gccaaattgc caatattata ggcgattcct ttcatgggag gcaatcgtgg atcttgtagt 1380
tgtacccaga atggtatttg gtgttgattt gtggattttt aaaattaaaa tgttgacttt 1440
aaaggttaaa tgaataaatt gcttcgatat ttttttttgc acctgaactt aattagctgg 1500
aaaaaatagg ttaaccagtt caattagtgg agtaactgtt ttctaaataa ttcccatggc 1560
aatgtaattg ttactctgta tcaatactta gctatacctt tttccatttg aaataagagc 1620
aatctctctt tgcttgattc acatacgtcc tttgcacaca aaacaaccaa ggttagcacc 1680
aattaagcta tgaatcacct ttgagcttga aaattaaatc gagggttaaa acacacatat 1740
acatattatg caatgtatag ctccaatatc aactctaaac tcaaagtctg ggggtaaata 1800
tttccaaatt aacacaatta gagttcatat aatgaaattt aaacattttc taggcatgtt 1860
agttcacatg gcaaagttca gagatgcata tgtattgtat tttaattact taaaagtttt 1920
attttttagg aattcaaagt tattattaat attattattg aggtttaatt tgtttgatga 1980
gatttacgtt gcatattgta aatactaata atttgaattc ttttgtagag gcattatgta 2040
ctggatcctg acattgaagc acaagtgagg aaaactggtg aaaccaactt acattattga 2100
taacctgtgg agtttcagag cttacttagg tacacctgca tttaagaaga acctttaaat 2160
aaatactcaa aaaggtggga agggtgacga gtcatcaaca cacaactcat aatggttgtt 2220
ctatctgaaa ttccagaagg atcttcatct tcttcatcaa ctcatggccc tagttcatca 2280
acttgtggtc ctagttcatc aactcaagat catagatatg atgtattttt aagttttaga 2340
ggtgttgaca ctcgtcttag ttttactaat tatctgtatg aggcccttct agatgccaat 2400
atcaatacct tcttggacaa tgaagagatt gaaacagggg aagatctaaa acctgaatta 2460
gagagtgcaa ttaaggcatc tcgggcttct attattgtgt tgtctaaaaa ttacgcttct 2520
tcaacatggt gtctggatga attggtgctg atccttgagc agcgtatcac atccaaccac 2580
attgtcatcc ccatatttta tcatgtggag cccacccatg tcaggaagca acaaagtagc 2640
tttggagatg caatggctga gcataagcag aagatggaga gggagacaaa tgcaaataag 2700
agaagtcaat gggctcaaaa gatggatagg tggaataaag cacttacaga agttgctgat 2760
ttaaaaggga aggacgttac tggcaggtaa ccacatattc ccccatatga aaattttcta 2820
tattatcttc accatatgca tttcagcaag tttttttttt tttttttcct ttcctttttt 2880
ttttttaatt atcattgaat agacgtatat tcatatggta ggataacaaa gatgcacaaa 2940
gttgaatcca tgttatctga tctcattaat aaaattatat agatagatta attattctga 3000
taatttttac atgtttgtta tgcatttatt tatttatttt aaacaactct taatctaatc 3060
ctaaaccaca ccaatgtctc gagcgagact tgaaccctca accccttgga cgagaaacac 3120
gttttccaac ccctgatact gctaggtgat aagccctttg gtttatgcat attgtattta 3180
aaataggaag acacaacaat tagaaaagaa gagatcatgc cacatcatat attagcggtt 3240
ttaggttaac tagctgcatt atttggccct tatttaaaat gtcattgtat attttgtata 3300
aatataacat tgttgcataa ccggtaaaaa ggcgaaatgt tgttgcataa ataaccaatt 3360
aaccctttta ttaaaaacca gatacgttgc tgtacatcta ctattagtta taccatacta 3420
ccttcaaatc atagtgtctt ttatgataaa taacttctgt tgtaagtagt aaaggataac 3480
ctacaggcat tcttttgaga ctcaccacat tgctggttga gttttacggt cttgtagaaa 3540
catagtgaag ttacaaggcc cattagtgaa aacttgtatt acattggtag ttttggtctt 3600
attatacata aatatttgtg accttacaca ttagatatgt atatggttag aatgaaaaga 3660
caatatggtt tgatgtgaag aacttaatta aaagtttaaa actaatagtt gttgtgaagg 3720
aatcatattt ttggaatatt atcttgtcat tgataaagag gttaaaccct catttataaa 3780
tcaactagta cctaaaacag gaaaatagaa attaagtaac ctaaaatcaa ataaacccta 3840
ctttacatat atctaacact aacactcgtg atataatttt gatttggatc tttatataaa 3900
ataaaatcac caaatttgtt ttgttagttt tgtgcattgt gttttgtaat tcttattaaa 3960
tcatgtttca ggctagagat ggagtttatt gaagaaattg tgaaggacat ccatcgtaga 4020
ttacatgcac cattaagaag tgttcaacag ctatatattg ggatggacta ccatattaac 4080
tttgtgactt catggttgaa agatggatca tcacatacgg tagacatact cactattaca 4140
ggtataggcg ggatcgggaa gacatcttta gccaaacatg tctatgggct atattctcat 4200
gaattccaca aaagcagcta tattgaagat atcactagga gatgtgatgg gaagtatact 4260
gggctgcttg atatacaaaa acaattgtgc ggtgacattg caaaaacaag ttcaattcaa 4320
gtttatgatg tttcaaaata cacatcaatg atagagaatg caatagctcg taaaagggtg 4380
tttcttgttc ttgatgacat cagtagtatt gatcagttcg atgcattact tggaagtaaa 4440
ggttttcatc ctggaagcaa ggttataata acgacaaagg acagatgctt gacagagagt 4500
tgtgcactat tcaaaacaaa cattaaaccc aagcatgtag aacactttct tcatggctta 4560
cgtgagactg aatcacgaca acttttgtgc tcccatgcat tcatgtgcaa ccatcccaag 4620
gaaggttatg aagaggtgtc aaataagatt ttggagtatt gtcaaggaca tccattggct 4680
cttgaagttt tgggcaagct tcttcataat cgaggtgtgg cgtattggga agggtgcatg 4740
gaaggcctaa agaaagaaac aaatgatcgt ataaataatg tcttgagaat gagcttcgaa 4800
tctttgccat ccaaaaacga taaggaactg tttaagcata ttgcttgttt ttttgttgga 4860
atagacagag atgttagcga aacaatatta gaggcgtgtg atataaacac gagatctgga 4920
atcacgaatc tcgttgacaa atgtcttctt agtattggat ggaataatga attgaagatg 4980
catcagttgg ttcaagagat gggaagattc gaagtacatc aagaatcacc tgataagcca 5040
tggaaacgaa gtcgattatg gtgtcataag gattcattca aagtgctgaa acaaaaaaag 5100
gtaagaagcc attatgcttt tagtagtgtg catgtccaaa atactttgta ttgcctaatt 5160
tgtttatttg cattctgttt cttcttaggg taagggaaat cttctaggcc tttcccttga 5220
catgcacatg cttgagaaag agaagttagg agcatcgtat gaactgaaaa cagaagcatt 5280
aagtaacatg gataatttga tgctactgaa actcaattat gtgtacatga atgggtctta 5340
tgagaacttt ccagaagaaa taaaatggtt gtgtatgaat gggtttcgtt taaagtctat 5400
acctttagac ttacctatgc agaatctggt tgcccttgac atgtcatata gcaatattga 5460
atcattttcc ggttgttata gcaatccaca gcgacttgag aaaaggcaaa aggtaaagtt 5520
atcttcattc attagtcatg catgtgagtt gatgaaattc aatacgatac taacttattt 5580
ccattttgta gttggatggc tcgtgcttta aagagaaaag gttgtttgct tcactgaaga 5640
ttcttaattt aagtttctgc gaacaacttc atagtgttgg tgactttgac caactccctg 5700
cacttgagag gttaatactt aggaattgca ttggattggt tgacgtttgt gaatcaattc 5760
ggcaatgtgt tgagcttatc ctcatcgatc tgagttactg catgaaactt gaaaaacttc 5820
caagaaatat aggcatgtta aacaaggttg aaacaatgtt gttagatggt tgtaatcttg 5880
gtgaatctgg aatcaagaat atggatatgg attcactgga aatgtgcacg gttaccaaca 5940
ttgacataaa cagagccttt atgggttgta taccacgtga tttgaagtac tctgcaatgt 6000
ctttaccgag gtctttagta atgttgtcac ttacagagaa caagttgtcc aatgaatcct 6060
ttcccatgga ctttagttgt ctatccatgt taaaggaatt atatttagat ggcaatcttt 6120
tcaattccat gcctagttgt gtgagaacgc ttcctagact tgaaatactt agtatggatg 6180
attgtgaaaa attgaagtca gtcgagtatc ctccacgtac actaaagaag ttgtttcttg 6240
atgttgctgg tgattatcat acaaacaaag ttgtatttgt tccagacatg tccccactcc 6300
aattatcaat agaatcgtta gacttgacat cttcttcact tgggttgaac gattacgaaa 6360
ttgaaggtgt gatcaaaatc caagaaatga tgagtgttga tgaaaaggtg ttacgtagct 6420
tgggctggac taatttagac ttcctcaaca aaaggcgcgt gggaactaat tcttcagaat 6480
ctaaaatcca ggttttgtct agttaactta cctgtctgtg tttatgtgaa gacatataat 6540
gttaattatt atggtggttt gtatttggca gaggatgttt tatgaatttg gaatattcag 6600
cacaaggtat gaggctgagg agatgccgag ttggtttatg catagaagtg tggggccagt 6660
gatatcattt accatcccat catcatctcc aaacaacctc cttacagggc tcaacttctg 6720
ctctctgcac acattaaacc ctcttgatga ggagttggat ttatcagatc atgaactttt 6780
ccctttgacg ccaatgatga caattagtaa tataacaaaa aaacgtatgt ggatatatga 6840
acgttttgtg gccagattta atgaaactct ggatctttgg gtgatattaa gtcattggat 6900
gtttgggaag aatgagatgg aggccggtga ccacattact atcactgtta caccgcagtg 6960
gcatgatcct tttacagaag catattatga agttgtaaag gagtgtgggg tgagtcttgt 7020
gtatgaagat ggagagaaga aggatgaaga agaagatgtg ttgggttatt acaagtcatg 7080
gaatcacata attggtggag atctctctcc ttttcaagca acaacaggac aatacatcct 7140
agacagcgaa cgactttttg aggctggcat taatttttgg ccatatcatc gtaaattcat 7200
tccagacggg cccgactatc aaggtagatg tcatttatta aaatatttta ttgtcatgtc 7260
ttatgtgtaa 7270
<210> 2
<211> 3627
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 2
atggttgttc tatctgaaat tccagaagga tcttcatctt cttcatcaac tcatggccct 60
agttcatcaa cttgtggtcc tagttcatca actcaagatc atagatatga tgtattttta 120
agttttagag gtgttgacac tcgtcttagt tttactaatt atctgtatga ggcccttcta 180
gatgccaata tcaatacctt cttggacaat gaagagattg aaacagggga agatctaaaa 240
cctgaattag agagtgcaat taaggcatct cgggcttcta ttattgtgtt gtctaaaaat 300
tacgcttctt caacatggtg tctggatgaa ttggtgctga tccttgagca gcgtatcaca 360
tccaaccaca ttgtcatccc catattttat catgtggagc ccacccatgt caggaagcaa 420
caaagtagct ttggagatgc aatggctgag cataagcaga agatggagag ggagacaaat 480
gcaaataaga gaagtcaatg ggctcaaaag atggataggt ggaataaagc acttacagaa 540
gttgctgatt taaaagggaa ggacgttact ggcaggctag agatggagtt tattgaagaa 600
attgtgaagg acatccatcg tagattacat gcaccattaa gaagtgttca acagctatat 660
attgggatgg actaccatat taactttgtg acttcatggt tgaaagatgg atcatcacat 720
acggtagaca tactcactat tacaggtata ggcgggatcg ggaagacatc tttagccaaa 780
catgtctatg ggctatattc tcatgaattc cacaaaagca gctatattga agatatcact 840
aggagatgtg atgggaagta tactgggctg cttgatatac aaaaacaatt gtgcggtgac 900
attgcaaaaa caagttcaat tcaagtttat gatgtttcaa aatacacatc aatgatagag 960
aatgcaatag ctcgtaaaag ggtgtttctt gttcttgatg acatcagtag tattgatcag 1020
ttcgatgcat tacttggaag taaaggtttt catcctggaa gcaaggttat aataacgaca 1080
aaggacagat gcttgacaga gagttgtgca ctattcaaaa caaacattaa acccaagcat 1140
gtagaacact ttcttcatgg cttacgtgag actgaatcac gacaactttt gtgctcccat 1200
gcattcatgt gcaaccatcc caaggaaggt tatgaagagg tgtcaaataa gattttggag 1260
tattgtcaag gacatccatt ggctcttgaa gttttgggca agcttcttca taatcgaggt 1320
gtggcgtatt gggaagggtg catggaaggc ctaaagaaag aaacaaatga tcgtataaat 1380
aatgtcttga gaatgagctt cgaatctttg ccatccaaaa acgataagga actgtttaag 1440
catattgctt gtttttttgt tggaatagac agagatgtta gcgaaacaat attagaggcg 1500
tgtgatataa acacgagatc tggaatcacg aatctcgttg acaaatgtct tcttagtatt 1560
ggatggaata atgaattgaa gatgcatcag ttggttcaag agatgggaag attcgaagta 1620
catcaagaat cacctgataa gccatggaaa cgaagtcgat tatggtgtca taaggattca 1680
ttcaaagtgc tgaaacaaaa aaagggtaag ggaaatcttc taggcctttc ccttgacatg 1740
cacatgcttg agaaagagaa gttaggagca tcgtatgaac tgaaaacaga agcattaagt 1800
aacatggata atttgatgct actgaaactc aattatgtgt acatgaatgg gtcttatgag 1860
aactttccag aagaaataaa atggttgtgt atgaatgggt ttcgtttaaa gtctatacct 1920
ttagacttac ctatgcagaa tctggttgcc cttgacatgt catatagcaa tattgaatca 1980
ttttccggtt gttatagcaa tccacagcga cttgagaaaa ggcaaaagtt ggatggctcg 2040
tgctttaaag agaaaaggtt gtttgcttca ctgaagattc ttaatttaag tttctgcgaa 2100
caacttcata gtgttggtga ctttgaccaa ctccctgcac ttgagaggtt aatacttagg 2160
aattgcattg gattggttga cgtttgtgaa tcaattcggc aatgtgttga gcttatcctc 2220
atcgatctga gttactgcat gaaacttgaa aaacttccaa gaaatatagg catgttaaac 2280
aaggttgaaa caatgttgtt agatggttgt aatcttggtg aatctggaat caagaatatg 2340
gatatggatt cactggaaat gtgcacggtt accaacattg acataaacag agcctttatg 2400
ggttgtatac cacgtgattt gaagtactct gcaatgtctt taccgaggtc tttagtaatg 2460
ttgtcactta cagagaacaa gttgtccaat gaatcctttc ccatggactt tagttgtcta 2520
tccatgttaa aggaattata tttagatggc aatcttttca attccatgcc tagttgtgtg 2580
agaacgcttc ctagacttga aatacttagt atggatgatt gtgaaaaatt gaagtcagtc 2640
gagtatcctc cacgtacact aaagaagttg tttcttgatg ttgctggtga ttatcataca 2700
aacaaagttg tatttgttcc agacatgtcc ccactccaat tatcaataga atcgttagac 2760
ttgacatctt cttcacttgg gttgaacgat tacgaaattg aaggtgtgat caaaatccaa 2820
gaaatgatga gtgttgatga aaaggtgtta cgtagcttgg gctggactaa tttagacttc 2880
ctcaacaaaa ggcgcgtggg aactaattct tcagaatcta aaatccagag gatgttttat 2940
gaatttggaa tattcagcac aaggtatgag gctgaggaga tgccgagttg gtttatgcat 3000
agaagtgtgg ggccagtgat atcatttacc atcccatcat catctccaaa caacctcctt 3060
acagggctca acttctgctc tctgcacaca ttaaaccctc ttgatgagga gttggattta 3120
tcagatcatg aacttttccc tttgacgcca atgatgacaa ttagtaatat aacaaaaaaa 3180
cgtatgtgga tatatgaacg ttttgtggcc agatttaatg aaactctgga tctttgggtg 3240
atattaagtc attggatgtt tgggaagaat gagatggagg ccggtgacca cattactatc 3300
actgttacac cgcagtggca tgatcctttt acagaagcat attatgaagt tgtaaaggag 3360
tgtggggtga gtcttgtgta tgaagatgga gagaagaagg atgaagaaga agatgtgttg 3420
ggttattaca agtcatggaa tcacataatt ggtggagatc tctctccttt tcaagcaaca 3480
acaggacaat acatcctaga cagcgaacga ctttttgagg ctggcattaa tttttggcca 3540
tatcatcgta aattcattcc agacgggccc gactatcaag gtagatgtca tttattaaaa 3600
tattttattg tcatgtctta tgtgtaa 3627
<210> 3
<211> 1208
<212> PRT
<213> 人工序列(Artificial Sequence)
<400> 3
Met Val Val Leu Ser Glu Ile Pro Glu Gly Ser Ser Ser Ser Ser Ser
1 5 10 15
Thr His Gly Pro Ser Ser Ser Thr Cys Gly Pro Ser Ser Ser Thr Gln
20 25 30
Asp His Arg Tyr Asp Val Phe Leu Ser Phe Arg Gly Val Asp Thr Arg
35 40 45
Leu Ser Phe Thr Asn Tyr Leu Tyr Glu Ala Leu Leu Asp Ala Asn Ile
50 55 60
Asn Thr Phe Leu Asp Asn Glu Glu Ile Glu Thr Gly Glu Asp Leu Lys
65 70 75 80
Pro Glu Leu Glu Ser Ala Ile Lys Ala Ser Arg Ala Ser Ile Ile Val
85 90 95
Leu Ser Lys Asn Tyr Ala Ser Ser Thr Trp Cys Leu Asp Glu Leu Val
100 105 110
Leu Ile Leu Glu Gln Arg Ile Thr Ser Asn His Ile Val Ile Pro Ile
115 120 125
Phe Tyr His Val Glu Pro Thr His Val Arg Lys Gln Gln Ser Ser Phe
130 135 140
Gly Asp Ala Met Ala Glu His Lys Gln Lys Met Glu Arg Glu Thr Asn
145 150 155 160
Ala Asn Lys Arg Ser Gln Trp Ala Gln Lys Met Asp Arg Trp Asn Lys
165 170 175
Ala Leu Thr Glu Val Ala Asp Leu Lys Gly Lys Asp Val Thr Gly Arg
180 185 190
Leu Glu Met Glu Phe Ile Glu Glu Ile Val Lys Asp Ile His Arg Arg
195 200 205
Leu His Ala Pro Leu Arg Ser Val Gln Gln Leu Tyr Ile Gly Met Asp
210 215 220
Tyr His Ile Asn Phe Val Thr Ser Trp Leu Lys Asp Gly Ser Ser His
225 230 235 240
Thr Val Asp Ile Leu Thr Ile Thr Gly Ile Gly Gly Ile Gly Lys Thr
245 250 255
Ser Leu Ala Lys His Val Tyr Gly Leu Tyr Ser His Glu Phe His Lys
260 265 270
Ser Ser Tyr Ile Glu Asp Ile Thr Arg Arg Cys Asp Gly Lys Tyr Thr
275 280 285
Gly Leu Leu Asp Ile Gln Lys Gln Leu Cys Gly Asp Ile Ala Lys Thr
290 295 300
Ser Ser Ile Gln Val Tyr Asp Val Ser Lys Tyr Thr Ser Met Ile Glu
305 310 315 320
Asn Ala Ile Ala Arg Lys Arg Val Phe Leu Val Leu Asp Asp Ile Ser
325 330 335
Ser Ile Asp Gln Phe Asp Ala Leu Leu Gly Ser Lys Gly Phe His Pro
340 345 350
Gly Ser Lys Val Ile Ile Thr Thr Lys Asp Arg Cys Leu Thr Glu Ser
355 360 365
Cys Ala Leu Phe Lys Thr Asn Ile Lys Pro Lys His Val Glu His Phe
370 375 380
Leu His Gly Leu Arg Glu Thr Glu Ser Arg Gln Leu Leu Cys Ser His
385 390 395 400
Ala Phe Met Cys Asn His Pro Lys Glu Gly Tyr Glu Glu Val Ser Asn
405 410 415
Lys Ile Leu Glu Tyr Cys Gln Gly His Pro Leu Ala Leu Glu Val Leu
420 425 430
Gly Lys Leu Leu His Asn Arg Gly Val Ala Tyr Trp Glu Gly Cys Met
435 440 445
Glu Gly Leu Lys Lys Glu Thr Asn Asp Arg Ile Asn Asn Val Leu Arg
450 455 460
Met Ser Phe Glu Ser Leu Pro Ser Lys Asn Asp Lys Glu Leu Phe Lys
465 470 475 480
His Ile Ala Cys Phe Phe Val Gly Ile Asp Arg Asp Val Ser Glu Thr
485 490 495
Ile Leu Glu Ala Cys Asp Ile Asn Thr Arg Ser Gly Ile Thr Asn Leu
500 505 510
Val Asp Lys Cys Leu Leu Ser Ile Gly Trp Asn Asn Glu Leu Lys Met
515 520 525
His Gln Leu Val Gln Glu Met Gly Arg Phe Glu Val His Gln Glu Ser
530 535 540
Pro Asp Lys Pro Trp Lys Arg Ser Arg Leu Trp Cys His Lys Asp Ser
545 550 555 560
Phe Lys Val Leu Lys Gln Lys Lys Gly Lys Gly Asn Leu Leu Gly Leu
565 570 575
Ser Leu Asp Met His Met Leu Glu Lys Glu Lys Leu Gly Ala Ser Tyr
580 585 590
Glu Leu Lys Thr Glu Ala Leu Ser Asn Met Asp Asn Leu Met Leu Leu
595 600 605
Lys Leu Asn Tyr Val Tyr Met Asn Gly Ser Tyr Glu Asn Phe Pro Glu
610 615 620
Glu Ile Lys Trp Leu Cys Met Asn Gly Phe Arg Leu Lys Ser Ile Pro
625 630 635 640
Leu Asp Leu Pro Met Gln Asn Leu Val Ala Leu Asp Met Ser Tyr Ser
645 650 655
Asn Ile Glu Ser Phe Ser Gly Cys Tyr Ser Asn Pro Gln Arg Leu Glu
660 665 670
Lys Arg Gln Lys Leu Asp Gly Ser Cys Phe Lys Glu Lys Arg Leu Phe
675 680 685
Ala Ser Leu Lys Ile Leu Asn Leu Ser Phe Cys Glu Gln Leu His Ser
690 695 700
Val Gly Asp Phe Asp Gln Leu Pro Ala Leu Glu Arg Leu Ile Leu Arg
705 710 715 720
Asn Cys Ile Gly Leu Val Asp Val Cys Glu Ser Ile Arg Gln Cys Val
725 730 735
Glu Leu Ile Leu Ile Asp Leu Ser Tyr Cys Met Lys Leu Glu Lys Leu
740 745 750
Pro Arg Asn Ile Gly Met Leu Asn Lys Val Glu Thr Met Leu Leu Asp
755 760 765
Gly Cys Asn Leu Gly Glu Ser Gly Ile Lys Asn Met Asp Met Asp Ser
770 775 780
Leu Glu Met Cys Thr Val Thr Asn Ile Asp Ile Asn Arg Ala Phe Met
785 790 795 800
Gly Cys Ile Pro Arg Asp Leu Lys Tyr Ser Ala Met Ser Leu Pro Arg
805 810 815
Ser Leu Val Met Leu Ser Leu Thr Glu Asn Lys Leu Ser Asn Glu Ser
820 825 830
Phe Pro Met Asp Phe Ser Cys Leu Ser Met Leu Lys Glu Leu Tyr Leu
835 840 845
Asp Gly Asn Leu Phe Asn Ser Met Pro Ser Cys Val Arg Thr Leu Pro
850 855 860
Arg Leu Glu Ile Leu Ser Met Asp Asp Cys Glu Lys Leu Lys Ser Val
865 870 875 880
Glu Tyr Pro Pro Arg Thr Leu Lys Lys Leu Phe Leu Asp Val Ala Gly
885 890 895
Asp Tyr His Thr Asn Lys Val Val Phe Val Pro Asp Met Ser Pro Leu
900 905 910
Gln Leu Ser Ile Glu Ser Leu Asp Leu Thr Ser Ser Ser Leu Gly Leu
915 920 925
Asn Asp Tyr Glu Ile Glu Gly Val Ile Lys Ile Gln Glu Met Met Ser
930 935 940
Val Asp Glu Lys Val Leu Arg Ser Leu Gly Trp Thr Asn Leu Asp Phe
945 950 955 960
Leu Asn Lys Arg Arg Val Gly Thr Asn Ser Ser Glu Ser Lys Ile Gln
965 970 975
Arg Met Phe Tyr Glu Phe Gly Ile Phe Ser Thr Arg Tyr Glu Ala Glu
980 985 990
Glu Met Pro Ser Trp Phe Met His Arg Ser Val Gly Pro Val Ile Ser
995 1000 1005
Phe Thr Ile Pro Ser Ser Ser Pro Asn Asn Leu Leu Thr Gly Leu Asn
1010 1015 1020
Phe Cys Ser Leu His Thr Leu Asn Pro Leu Asp Glu Glu Leu Asp Leu
1025 1030 1035 1040
Ser Asp His Glu Leu Phe Pro Leu Thr Pro Met Met Thr Ile Ser Asn
1045 1050 1055
Ile Thr Lys Lys Arg Met Trp Ile Tyr Glu Arg Phe Val Ala Arg Phe
1060 1065 1070
Asn Glu Thr Leu Asp Leu Trp Val Ile Leu Ser His Trp Met Phe Gly
1075 1080 1085
Lys Asn Glu Met Glu Ala Gly Asp His Ile Thr Ile Thr Val Thr Pro
1090 1095 1100
Gln Trp His Asp Pro Phe Thr Glu Ala Tyr Tyr Glu Val Val Lys Glu
1105 1110 1115 1120
Cys Gly Val Ser Leu Val Tyr Glu Asp Gly Glu Lys Lys Asp Glu Glu
1125 1130 1135
Glu Asp Val Leu Gly Tyr Tyr Lys Ser Trp Asn His Ile Ile Gly Gly
1140 1145 1150
Asp Leu Ser Pro Phe Gln Ala Thr Thr Gly Gln Tyr Ile Leu Asp Ser
1155 1160 1165
Glu Arg Leu Phe Glu Ala Gly Ile Asn Phe Trp Pro Tyr His Arg Lys
1170 1175 1180
Phe Ile Pro Asp Gly Pro Asp Tyr Gln Gly Arg Cys His Leu Leu Lys
1185 1190 1195 1200
Tyr Phe Ile Val Met Ser Tyr Val
1205
<210> 4
<211> 82
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 4
ccaattatca atagaatcgt tagcttgggt tgaacgatta cgaaattgaa ggtgtgatca 60
aaatccaaga aatgatgagt gt 82
<210> 5
<211> 96
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 5
ccaattatca atagaatcgt tagacttgac atcttctctt gggttgaacg attacgaaat 60
tgaaggtgtg atcaaaatcc aagaaatgat gagtgt 96
<210> 6
<211> 94
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 6
ccaattatca atagaatcgt tagacttgac atcttcttgg gttgaacgat tacgaaattg 60
aaggtgtgat caaaatccaa gaaatgatga gtgt 94
<210> 7
<211> 55
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 7
ccaattatca atagaatcgt tagacttgac atcttcttca agaaatgatg agtgt 55
<210> 8
<211> 98
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 8
ccaattatca atagaatcgt tagacttgac atcttcttcc ttgggttgaa cgattacgaa 60
attgaaggtg tgatcaaaat ccaagaaatg atgagtgt 98
<210> 9
<211> 100
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 9
ccaattatca atagaatcgt tagacttgac atcttcttca tcttgggttg aacgattacg 60
aaattgaagg tgtgatcaaa atccaagaaa tgatgagtgt 100
<210> 10
<211> 50
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 10
gatatatttc tcaagatcag aagtactaat taaagggttt ggaattgaaa 50
<210> 11
<211> 46
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 11
ttgaacgatc ggggaaattc gagctcttac acataagaca tgacaa 46
<210> 12
<211> 21
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 12
cttctgtaaa aggatcatgc c 21
<210> 13
<211> 20
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 13
cttgacatct tcttcacttg 20
<210> 14
<211> 19
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 14
cttgacatct tcttcactt 19
<210> 15
<211> 25
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 15
tgtcccagga ttagaatgat taggc 25
<210> 16
<211> 25
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 16
agccctcttc tttcgatcca tcaac 25

Claims (9)

1.一种分离的控制莴苣对嗪胺灵过敏反应的蛋白,所述的蛋白为SEQ ID NO.3所示。
2.编码SEQ ID NO.3所示蛋白的基因。
3.根据权利要求2所述的基因,所述的基因为SEQ ID NO.1所示。
4.根据权利要求2所述的基因,所述的基因为SEQ ID NO.2所示。
5.权利要求1所述的蛋白或权利要求2所述的基因在控制莴苣对嗪胺灵过敏反应中的应用。
6.检测权利要求2所述基因的试剂在莴苣嗪胺灵敏感性的筛选中的应用。
7.检测权利要求2所述基因的试剂在莴苣嗪胺灵敏感性育种中的应用。
8.权利要求2所述基因在制备嗪胺灵不敏感或嗪胺灵敏感的转基因莴苣中的应用,所述的嗪胺灵不敏感转基因莴苣为将所述基因纯合敲除的单株,其对应的突变基因序列为SEQ ID NO.2第2736-2834位碱基替换为SEQ ID NO.4~SEQ ID NO.9中的任一一个序列。
9.权利要求5~8中的任意一个应用,所述的莴苣为罗马生菜(Romaine)。
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