CN109679967A - 一个抗大豆花叶病毒基因GmRDBM的应用 - Google Patents

一个抗大豆花叶病毒基因GmRDBM的应用 Download PDF

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CN109679967A
CN109679967A CN201910081298.6A CN201910081298A CN109679967A CN 109679967 A CN109679967 A CN 109679967A CN 201910081298 A CN201910081298 A CN 201910081298A CN 109679967 A CN109679967 A CN 109679967A
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智海剑
殷金龙
王丽群
晋彤彤
李凯
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Abstract

本发明公开了一个抗大豆花叶病毒基因GmRDBM的应用。本发明从抗大豆花叶病毒品种大白麻上克隆了一个编码CC‑NBS‑LRR功能域的基因GmRDBM。对其进行测序,并通过软件预测获得该基因编码的氨基酸序列。本发明利用Crispr/Cas9技术对大白麻的GmRDBM序列进行编辑,然后对敲除GmRDBM的植株进行接种大豆花叶病毒实验,证明了该基因是大白麻品种的抗大豆花叶病毒基因。本发明得到的这个基因及其蛋白序列可以用于大豆对大豆花叶病毒抗性的改良。

Description

一个抗大豆花叶病毒基因GmRDBM的应用
技术领域
本发明属于生物基因技术领域,涉及一个抗大豆花叶病毒基因GmRDBM的应用。
技术背景
大豆是我国乃至世界范围内食用油和蛋白的主要来源。其生产受到多种病害的危害。其中大豆花叶病毒病是大豆的主要病害之一。大豆花叶病毒在全国各大豆产区均有发现,根据侵染能力的不同划分为多种株系;大豆花叶病毒造成的大豆产量损失可达15%~70%;同时,大豆花叶病毒也会导致大豆籽粒的种皮产生斑驳,使品质下降。由于目前没有有效杀灭该病毒的药剂,培育抗病品种是控制该病害最为经济、有效的方法,而获得抗病基因是培育抗病品种的物质基础。
植物在与病原的长期共存和对抗中进化形成了多种抵御病原入侵或者降低病原在植株内传播速度的机制。其中抗病基因(R基因)能够识别病原,赋予植物最为有效的抗性性状。目前已证明能够抗大豆花叶病毒的基因很少。
发明内容
本发明提供一个抗大豆花叶病毒的基因GmRDBM,所述基因cDNA核甘酸序列如SEQID NO.1所示。
所述的抗大豆花叶病毒的基因GmRDBM编码的蛋白质,具有序列表中SEQ ID NO.2所述的氨基酸序列。
本发明所述基因GmRDBM在培育抗大豆花叶病毒品种中的应用是指将GmRDBM基因通过转基因转入要改良的大豆品种内,可以提高品种对大豆花叶病毒的抗性。
本发明的优势与价值:
抗大豆花叶病毒育种是当今大豆品种选育的重要目标之一。本发明鉴定分离出的GmRDBM基因能够抗多个大豆花叶病毒株系,可以通过转基因等方法导入到感大豆花叶病毒的品种中,改良受体品种,提高大豆品种对大豆花叶病毒的抗性,从而保证大豆的产量和品质,提高国产大豆的供给率。
附图说明
图1GmRDBM的PCR扩增产物的琼脂糖凝胶电泳。其中Marker为TAKARA的DNA marker1kb ladder,GmRDBM为cDNA扩增结果,Control为阴性对照。
图2GmRDBM抗大豆花叶病毒基因含有的结构域。通过EMBL-EBI的InterPro工具预测所得。
图3大白麻通过转基因敲除GmRDBM基因后的测序验证。DBM-WT显示的为野生型未敲除的大白麻测序结果,黑框内为敲除靶向序列;前三个峰图为敲除GmRDBM基因后形成的的峰图,a、b、c分别代表不同的插入缺失变异。
图4敲除GmRDBM基因后的大白麻接种大豆花叶病毒SC4 3周后的叶片表型。DBM-GmRDBMKO指示敲除GmRDBM基因后的大白麻叶片;NN-WT指示野生型南农1138-2的叶片;DBM-WT指示野生型大白麻叶片;SC4指示接种大豆花叶病毒SC4株系;PBS为接种磷酸缓冲液的阴性对照。
图5敲除GmRDBM基因后的大白麻接种大豆花叶病毒3周的大豆花叶病毒CP蛋白积累的ELISA检测。纵坐标为ELISA结束后酶标板在波长405nm处的吸光度;误差线为三次生物学重复的标准误差;从吸光度可以看出接种大豆花叶病毒后GmRDBM基因敲除后的大白麻叶片和南农1138-2病毒CP蛋白积累量远远高于野生型大白麻。
图6敲除GmRDBM基因后的大白麻接种大豆花叶病毒2周的大豆花叶病毒RNA的RT-PCR检测。KO指示敲除GmRDBM基因后的大白麻叶片RT-PCR结果;NN指示野生型南农1138-2的叶片RT-PCR结果;DBM指示野生型大白麻叶片RT-PCR结果;Tubulin为大豆内源内参基因;从PCR产物的亮度可以看出,在内参基因含量基本一致的情况的下,接种大豆花叶病毒后GmRDBM基因敲除后的大白麻叶片和南农1138-2病毒RNA含量远远高于野生型大白麻。
图7GmRDBM基因对更多大豆花叶病毒株系(分离物)抗性的检测。每行表型图片对应两个大豆花叶病毒株系(分离物),其中前3列图片对应“/”之前的大豆花叶病毒株系(分离物),后3列图片对应“/”之后的大豆花叶病毒株系(分离物);叶片上白色方框标记每个叶片右下角放大的叶片细节所在的位置;根据叶片表型可以看出,接种大豆花叶病毒后GmRDBM基因敲除后的大白麻叶片和南农1138-2叶片花叶皱缩程度高于野生型大白麻。
图8敲除GmRDBM基因后的大白麻接种更多大豆花叶病毒株系(分离物)后的大豆花叶病毒CP蛋白积累的ELISA检测。纵坐标为ELISA结束后酶标板在波长405nm处的吸光度;误差线为三次生物学重复的标准误差;从吸光度平均值可以看出接种大豆花叶病毒后野生型大白麻病毒CP蛋白积累量低于GmRDBM基因敲除后的大白麻和南农1138-2。
具体实施方式
以下实施例用于说明本发明,但不用来限制本发明的范围。
实施例1:GmRDBM基因的获得
1.RNA的提取:
将大豆品种大白麻播种,出苗后采集嫩叶以备总RNA的提取。将上述叶片0.1g放入离心管中加入液氮迅速研磨,然后加入1ml Trizol(英潍捷基公司)混匀后静置5min;加入0.2ml的三氯甲烷摇晃15sec,静置2min;12000rpm离心10min,吸取400μl上清加入到400μl异丙醇中混匀;离心10min后弃上清,加入1ml 70%的乙醇并涡旋1min;离心5min后弃上清,并置于通风橱晾干;加入50μl的ddH2O备用。
2.第一链cDNA的合成:
第一链cDNA的合成使用PrimeScript II RTase(TAKARA公司)进行。吸取上述RNA1μl加入到PCR管中,加入Oligo dT Primer及dNTP Mixture各1μl,加入ddH2O至10μl。混合均匀后65℃保温5min后,冰上迅速冷却。在上述混合液中加入5×PrimeScript II Buffer4μl、RNase Inhibitor 0.5μl、PrimeScript II RTase 1μl和ddH2O 4.5μl;混匀后于42℃保温60min即可。
3.PCR的扩增与基因克隆
根据大豆的全基因数据库(http://phytozome.jgi.doe.gov/pz/portal.html),利用Primer5.0软件设计特异性引物:上游引物F1:5'-CTCACGGCTTCCACCACT-3'(SEQ IDNO.3),下游引物R1:5'-TCCGCATACTCATACACTCCTAC-3'(SEQ ID NO.4)。以上述cDNA为模板进行PCR扩增,所用扩增酶为TAKARA的PrimerSTAR-Max-DNA-Polymerase,具体使用全部按照说明书进行。PCR扩增产物使用1%的琼脂糖凝胶在200V的电压下电泳10min,然后使用EB染料染色并在紫外灯下观察拍照,结果如图1。将扩增产物使用AxyPrep DNA凝胶回收试剂盒进行纯化备用,纯化过程全部按照说明书进行。纯化后的片段使用TAKARA的加A反应试剂盒加A后连接到TAKARA的T-Vector pMD19(Simple)载体上。将连接产物通过热激法转化大肠杆菌菌株DH5a(康为世纪)中,在含有氨苄青霉素的LB固体培养基上培养过夜。挑取单菌落并使用M13引物检测含有目标插入片段的单菌落送公司(华大基因)进行测序。将测序序列放入生物软件BIOXM,查找其最大的开放读码框,结果见SEQ ID NO.1。将每3个碱基翻译成一个氨基酸,得到的氨基酸序列见SEQ ID NO.2。将预测的氨基酸序列提交到EMBL-EBI的InterPro工具(http://www.ebi.ac.uk/interpro/)中进行蛋白结构域的预测,结果显示该GmRDBM基因编码的蛋白质为含有CC-NB-ARC-LRR结构域的蛋白,见图2。
实施例2:GmRDBM基因抗病功能的证明
1.大豆品种大白麻GmRDBM基因敲除植株的获得
根据实施例1获得的基因序列,筛选可能成为Crispr/Cas9基因编辑系统的靶点,最终选取序列AATGAAAACAACAAGGGCTGTGG作为敲除靶向序列。在华大基因公司合成构建敲除载体所需要的两条引物F2:5’-GGGTTGATGAAAACAACAAGGGCTG-3’(SEQ ID NO.5)和R2:5’-AAACCAGCCCTTGTTGTTTTCATCA-3’(SEQ ID NO.6)。将上述引物使用ddH2O稀释到10uM,各取1μl到18μl TE缓冲液中混匀。将上述混合产物加热的98℃,然后缓慢降温到室温以便形成双链序列。将上述产物吸取1μl与1μl BsaI酶切后的pCBSG载体混合,加入1μl T4连接酶(NEB公司)、1μl 10x T4buffer和6μl ddH2O混合均匀后室温放置3小时进行连接。连接后的载体通过实施例1所述的方法转化并提取单菌落的质粒测序。测序所用的引物为U6-SG20-gRNA-CX:GCAAGTGCGGTGACAAGACAAG。将测序正确的质粒通过冻融法转化农杆菌EHA105菌株。然后通过农杆菌侵染成熟的大豆子叶节技术转化大豆品种大白麻。将转化成功的诱导芽移栽的营养土并收取其种子,提取后代植株的基因组DNA,使用引物F3:5’-AGGACAGGCACAACTCTACTA-3’(SEQ ID NO.7)和R3:5’-ATTCACGCCTACGCCAAT-3’(SEQ IDNO.8)扩增基因组基因敲除靶位点序列送测序公司测序。对比测序结果和未敲除的野生型大白麻序列峰图以确认GmRDBM基因被敲除的植株,见图3。选择上述检测表明敲除纯合的植株收取种子用于后续实验。
2.大白麻GmRDBM基因敲除植株接种不同大豆花叶病毒株系(分离物)后的表型改变
将不同大豆花叶病毒株系(分离物)接种于感病品种南农1138-2上,待2周后上位叶出现花叶症状,收集新鲜的叶片待用。将大白麻GmRDBM基因敲除植株的种子(DBM-GmRDBMKO)、野生型大白麻(DBM-WT)及南农1138-2(NN-WT)各2盆分别播种于温室内,等到第1对真叶完全展开后进行接种大豆花叶病毒实验,同种大豆的不同2盆分别接种大豆花叶病株系SC4和磷酸缓冲液对照(PBS)。接种后3周调查上位叶表现出的性状,并拍照记录,见图5。接种大豆花叶病毒后的大白麻GmRDBM基因敲除植株与南农1138-2都出现一定程度花叶症状,而接种PBS的大白麻GmRDBM基因敲除植株和接种大豆花叶病毒的野生型大白麻植株没有明显花叶皱缩现象。说明GmRDBM基因的敲除会导致大白麻由抗大豆花叶病毒品种变为感病品种,GmRDBM基因对大白麻抵抗大豆花叶病毒是必须的。
为了探究该病毒是否能够抵抗更多种大豆花叶病毒株系(分离物),按照上述实验方法对GmRDBM基因敲除植株、野生型大白麻和南农1138-2接种了3424-1、SC14、4296-1、6101、SJ-3、4213-1、6768-1株系(分离物)。接种2周后上位叶的表型照片如图7所示,GmRDBM基因的敲除都会导致敲除后的大白麻比野生型的大白麻表现出更为明显的花叶现象。说明GmRDBM基因能够介导对多个大豆花叶病毒株系(分离物)的抗性。
3.大白麻GmRDBM基因敲除植株接种不同大豆花叶病毒株系(分离物)后的CP蛋白积累的检测和病毒RNA积累的检测
为了进一步确认GmRDBM基因的敲除后的植株对大豆花叶病毒的抗性丧失或减弱,实验选取不同植株接种不同分离物2或3周后的上位叶进行大豆花叶病毒CP蛋白的ELISA检测。每种处理取3个生物学重复。检测步骤如下:(1)将采集的叶片加入液氮磨碎,加入10倍叶片重量的抽提缓冲液混匀;(2)按照1:800稀释比例用包被抗体缓冲液稀释包被抗体,向每个酶标板的孔中加入稀释后的抗体100μl,室温(21~24℃)放置4小时,然后甩掉板内的液体,每孔加满PBST缓冲液,迅速倒掉。重复6次;(3)每孔中加100μl待测样品,放在保湿盒内室温(21~24℃)放置2.5小时,然后甩掉板内的液体,每孔加满PBST缓冲液,迅速倒掉。重复8次;(4)按照1:800稀释比例用酶标抗体缓冲液稀释酶标抗体,向每个酶标板的孔中加入稀释后的酶标抗体100μl,室温(21~24℃)放置2.5小时,然后甩掉板内的液体,每孔加满PBST缓冲液,迅速倒掉。重复8次;(5)向每个酶标板的孔中加入100μl的1mg/ml的ρNPP溶液,避光、室温(21~24℃)下显色30min,加50μl 3M NaOH终止反应。(6)在酶标仪405nm波长下,测定光密度值(OD),并计算同一处理不同样品的平均值。ELISA检测结果见图5、图8。CP蛋白的ELISA结果显示,GmRDBM基因的敲除后的植株其CP蛋白的积累量高于野生型大白麻,说明GmRDBM基因的存在能够降低大豆花叶病毒CP蛋白的积累。
为了从RNA水平上检测大豆花叶病毒基因组积累的差异,本实验选取了接种SC4和PBS 2周后的叶片进行RT-PCR实验。首先提取样品的RNA,合成其cDNA(同实施例1所述),然后以cDNA为模板进行PCR扩增,每个cDNA进行2对引物的PCR扩增,分别用来扩增大豆花叶病毒的基因组序列和大豆内源Tubulin,扩增大豆花叶病毒序列的引物为SMV-F:5’-TTCTGAAAGTCCGTATATGCCTAG-3’(SEQ ID NO.9),SMV-R:5’-GCCTTTCAGTATTTTCGGAGTT-3’(SEQ ID NO.10),扩增大豆内源Tubulin的引物为
Tubulin-F:5’-GGAGTTCACAGAGGCAGAG-3’(SEQ ID NO.11),Tubulin-R:5’-CACTTACGCATCACATAGCA-3’(SEQ ID NO.12)。PCR扩增所用的TAKARA公司的Ex-taq酶,扩增方法按照说明书进行,循环数为30。扩增产物在1.5%的琼脂糖凝胶中进行电泳,使用EB染色后在紫外光下拍照。结果如图6所示。GmRDBM基因的敲除后的植株进行RT-PCR后能够明显检测到病毒基因组的积累,而含有GmRDBM基因的野生型的大白麻中基本检测不到病毒的基因组。结果与表型症状及ELISA检测结果一致,进一步说明GmRDBM基因确实能抗大豆花叶病毒。
序列表
<110> 南京农业大学
<120> 一个抗大豆花叶病毒基因GmRDBM的应用
<160> 12
<170> SIPOSequenceListing 1.0
<210> 1
<211> 3888
<212> DNA
<213> 大豆品种大白麻(Glycine max (Linn.) Merr.)
<400> 1
atgggggata ttgttctttc catcgtagca aagttagcag aatatacagt gggcccaatt 60
ttagaccatg ctcgatactt gtgttgtttc aacaacattg ctgggaatct tccaaatgcc 120
aaggaagaat tggaattaac ccgaaacagt gtgaaggaac gagttgaaga agctattatg 180
aggactgaaa taattgaacc agcagttgag aagtggctga aagatgttga gaaagtctta 240
gaagaagtgc atatgcttca aggaagaatt tcggaagtaa gcaagagcta tttcagaagg 300
caattccaat attttcttac aaaagaaata gcaagaaaaa ttgagaaaat ggctcaactc 360
aaccacaaca gcaagtttga gccattttct aagattgccg aacttccagg catgaagtac 420
tattcatcca aagattttgt tcgtttcaaa tcaagagaat cgacttatga gaaccttttg 480
gaagcattaa aggataaaag cgcttgcacg attggactag ttggactagg aggctcagga 540
aaaactactt tggcgaaaga ggttggtaag aaagctgagg agttaaaact ttttgagaag 600
gttgtcatgg caacagtctc tcaaactcca aatatcacaa gcatccaaat gcaaattgct 660
gataagttgg gtttgaaatt tgaggaaaaa acagaggaag gtagagcaca aagactatca 720
gagagattaa ggacaggcac aactctacta atcttggatg atgtatggga aaagctagaa 780
tttgaggcta ttggtattcc atacaatgaa aacaacaagg gctgtggagt aattttaacc 840
actcggagta gagaagtatg catttccatg caatgccaaa caataattga gcttaatctc 900
ttagctggca atgaagcttg ggatttgttc aaattgaatg caaacataac tgatgagtcc 960
ccatatgcat tgaaaggcgt tgcaacaaaa attgtagatg aatgcaaagg attggctatt 1020
gcaattgtga cggtgggaag cacactgaag ggcaaaactg ttaaagagtg ggaattagca 1080
ttgtcaagac taaaagattc tgaaccacta gatattccaa aaggcttaag aagtccttat 1140
gcctgtcttg gattgagtta tgataatttg accaatgaat tagccaagtc cttgttcttg 1200
ttgtgttcta tatttccaga ggatcatgaa attgatttgg aagatttatt tcgatttgga 1260
aagggaatgg gcctacctgg gacttttgga acaatggaga aagcaaggag ggagatgcag 1320
atagctgtta gcatcctcat tgattgttat ttgttgttgg aggccagtaa aaaagaaagg 1380
gtgaaaatgc atgacatggt tcgtgatgta gccttgtgga tagcatctaa aactggtaaa 1440
gcaattttgg caagtaccgg aatggatcca agaatgttgt tagaggatga aaccataaaa 1500
gataagaggg caatatcctt atgggatttg aaaaatggcc agcttcttga tgatgatcaa 1560
ttgaattgtc catcacttga aattctcttg tttcattcaa ccgaggttga ctttgatgta 1620
tcaaatgctt gttttgaaag gctaaaaatg attaaaatcc tggcaatctt aacatctagc 1680
ttaatttggc gtaggcgtga attgatgaag ccatttggta catcgtatct ctccttgtca 1740
ctgccacaat caatggagtc attacaaaat cttcatactc tgtgcttgag aggtcatata 1800
ttaggtgaca tctccatttt ggaaagccta caagcacttg aggttcttga cttgcgtaat 1860
tcttctttta tagaattgcc taatggaatc gcgtcattaa agaaattgaa gcttctggat 1920
ttgttcaatt gtgtcattcg ggaacataat gcttacgagg ttataggaag atgtttgcag 1980
ctgaatgaat tgtatttgtg tatatattta tgtgcatatg aggaatttcc gcataatatc 2040
tccttgtcaa gattagagag gtatgtttta aattttaaaa tgtacagcca gagctggact 2100
gacatgatgg aagaacatag accatgtaga gctttatgca taaatggttt taatgcctca 2160
gttcaaagtt ttatatcatt accaatcaag gatttctttc aaaaagcaga gtaccttcat 2220
ttgagggacc ttaagggagg ttacgaaaat gtaatcccat ccatggttcc acaaggcatg 2280
aatcacttga ctttcctaat cctcgaagat tgtccagaga taaaatgcgt ctttgatggt 2340
accacaatgc aaactgaaga tgcgttctcc agcctagtca ttttacgctt gtatgaattg 2400
gataaccttg aagaagtgtt taatgacccc tcttccagat gttctctcaa aagtttagaa 2460
gagctaagca tagagagttg cagacaattg tacaatattt cctttcccaa gaactcaaag 2520
ctatgccatc tcaagttctt gacaatagat cattgcccga tgctaacttg tatcttcaag 2580
ccatccattg tccaaactct agagctgcta gaacaagtga caatatctga ctgctttgaa 2640
ttgaagcaga taatagaaga agtggaagaa gggagtgttg attatgttag cagtcaaagt 2700
catacctctt tgatgcttcc aaaattaagg acacttacta ttcttcgatg tcacagcttg 2760
gaatatatat tccctatgtg ttatgctcat gggctagcaa gtttggaaga gctgaacatt 2820
ggattttgtg ataagttgaa gtatgtattt ggcagtgaaa aggaacatga tcttagagtg 2880
taccagcacc agagtcatcc tcagactaat attcacatca atttccttaa tttggaaact 2940
ctacggttga cggagttgcc gaatttggtt gagatttggc ctaaatattt tgatccacat 3000
ttaccaaatt tgaaagagct acaatgcatt gattgtccaa gactgcctga ctcttgggtg 3060
cgtagggtga tgattattga ttcagatctg caacaagact caactacaac ggagaaggaa 3120
ttactatgct cggttaccac cacattcaac caattatccg atcaagtgct ttcttctaaa 3180
cttagacatc ttcaattgta tggtcttgga gtaaaaggtc ttttccaatt ccaaatcaga 3240
gaacatggga gcaacacaga acttgctcct ttaaacttgg atctaattta tgctgaattg 3300
agtgatctac ctgagctcga gttcatatgg aagggcccca caaattttct aagcctccag 3360
atgcttgacg tgatttatgt gaatagatgt ccaaaattga aagtcatctt ctcccctacc 3420
attgttagaa gcttaccaat gctgagaaca ctggaaataa cccattgtga ggaattggag 3480
caaatatttg attcaggtga tgcacaaacc ctatatactt gttcacaaca agtgtgcttc 3540
ccaaatctcc attatatttg tgtcgaaaag tgcaacaagt tgaaatacct ttttcataat 3600
tttgtggctg gtcactttca caatctgatc gcgttggaaa taaaagactg ctctcagtta 3660
cagaaggttt ttgcttttga atgtgaaact gatgacgatg atcaagaagg gattgttatg 3720
gatggagaaa aagtactact acgtaacctg ctacgtataa gactcagccg tttgccaaac 3780
ttcaaagaga ttcaccatgg attcaagtta aaagatgatg ttgaagaaca tatcataaat 3840
gattgtccta aatattatcc aagtttatat ctacacacag aagagtaa 3888
<210> 2
<211> 1295
<212> PRT
<213> 大豆品种大白麻(Glycine max (Linn.) Merr.)
<400> 2
Met Gly Asp Ile Val Leu Ser Ile Val Ala Lys Leu Ala Glu Tyr Thr
1 5 10 15
Val Gly Pro Ile Leu Asp His Ala Arg Tyr Leu Cys Cys Phe Asn Asn
20 25 30
Ile Ala Gly Asn Leu Pro Asn Ala Lys Glu Glu Leu Glu Leu Thr Arg
35 40 45
Asn Ser Val Lys Glu Arg Val Glu Glu Ala Ile Met Arg Thr Glu Ile
50 55 60
Ile Glu Pro Ala Val Glu Lys Trp Leu Lys Asp Val Glu Lys Val Leu
65 70 75 80
Glu Glu Val His Met Leu Gln Gly Arg Ile Ser Glu Val Ser Lys Ser
85 90 95
Tyr Phe Arg Arg Gln Phe Gln Tyr Phe Leu Thr Lys Glu Ile Ala Arg
100 105 110
Lys Ile Glu Lys Met Ala Gln Leu Asn His Asn Ser Lys Phe Glu Pro
115 120 125
Phe Ser Lys Ile Ala Glu Leu Pro Gly Met Lys Tyr Tyr Ser Ser Lys
130 135 140
Asp Phe Val Arg Phe Lys Ser Arg Glu Ser Thr Tyr Glu Asn Leu Leu
145 150 155 160
Glu Ala Leu Lys Asp Lys Ser Ala Cys Thr Ile Gly Leu Val Gly Leu
165 170 175
Gly Gly Ser Gly Lys Thr Thr Leu Ala Lys Glu Val Gly Lys Lys Ala
180 185 190
Glu Glu Leu Lys Leu Phe Glu Lys Val Val Met Ala Thr Val Ser Gln
195 200 205
Thr Pro Asn Ile Thr Ser Ile Gln Met Gln Ile Ala Asp Lys Leu Gly
210 215 220
Leu Lys Phe Glu Glu Lys Thr Glu Glu Gly Arg Ala Gln Arg Leu Ser
225 230 235 240
Glu Arg Leu Arg Thr Gly Thr Thr Leu Leu Ile Leu Asp Asp Val Trp
245 250 255
Glu Lys Leu Glu Phe Glu Ala Ile Gly Ile Pro Tyr Asn Glu Asn Asn
260 265 270
Lys Gly Cys Gly Val Ile Leu Thr Thr Arg Ser Arg Glu Val Cys Ile
275 280 285
Ser Met Gln Cys Gln Thr Ile Ile Glu Leu Asn Leu Leu Ala Gly Asn
290 295 300
Glu Ala Trp Asp Leu Phe Lys Leu Asn Ala Asn Ile Thr Asp Glu Ser
305 310 315 320
Pro Tyr Ala Leu Lys Gly Val Ala Thr Lys Ile Val Asp Glu Cys Lys
325 330 335
Gly Leu Ala Ile Ala Ile Val Thr Val Gly Ser Thr Leu Lys Gly Lys
340 345 350
Thr Val Lys Glu Trp Glu Leu Ala Leu Ser Arg Leu Lys Asp Ser Glu
355 360 365
Pro Leu Asp Ile Pro Lys Gly Leu Arg Ser Pro Tyr Ala Cys Leu Gly
370 375 380
Leu Ser Tyr Asp Asn Leu Thr Asn Glu Leu Ala Lys Ser Leu Phe Leu
385 390 395 400
Leu Cys Ser Ile Phe Pro Glu Asp His Glu Ile Asp Leu Glu Asp Leu
405 410 415
Phe Arg Phe Gly Lys Gly Met Gly Leu Pro Gly Thr Phe Gly Thr Met
420 425 430
Glu Lys Ala Arg Arg Glu Met Gln Ile Ala Val Ser Ile Leu Ile Asp
435 440 445
Cys Tyr Leu Leu Leu Glu Ala Ser Lys Lys Glu Arg Val Lys Met His
450 455 460
Asp Met Val Arg Asp Val Ala Leu Trp Ile Ala Ser Lys Thr Gly Lys
465 470 475 480
Ala Ile Leu Ala Ser Thr Gly Met Asp Pro Arg Met Leu Leu Glu Asp
485 490 495
Glu Thr Ile Lys Asp Lys Arg Ala Ile Ser Leu Trp Asp Leu Lys Asn
500 505 510
Gly Gln Leu Leu Asp Asp Asp Gln Leu Asn Cys Pro Ser Leu Glu Ile
515 520 525
Leu Leu Phe His Ser Thr Glu Val Asp Phe Asp Val Ser Asn Ala Cys
530 535 540
Phe Glu Arg Leu Lys Met Ile Lys Ile Leu Ala Ile Leu Thr Ser Ser
545 550 555 560
Leu Ile Trp Arg Arg Arg Glu Leu Met Lys Pro Phe Gly Thr Ser Tyr
565 570 575
Leu Ser Leu Ser Leu Pro Gln Ser Met Glu Ser Leu Gln Asn Leu His
580 585 590
Thr Leu Cys Leu Arg Gly His Ile Leu Gly Asp Ile Ser Ile Leu Glu
595 600 605
Ser Leu Gln Ala Leu Glu Val Leu Asp Leu Arg Asn Ser Ser Phe Ile
610 615 620
Glu Leu Pro Asn Gly Ile Ala Ser Leu Lys Lys Leu Lys Leu Leu Asp
625 630 635 640
Leu Phe Asn Cys Val Ile Arg Glu His Asn Ala Tyr Glu Val Ile Gly
645 650 655
Arg Cys Leu Gln Leu Asn Glu Leu Tyr Leu Cys Ile Tyr Leu Cys Ala
660 665 670
Tyr Glu Glu Phe Pro His Asn Ile Ser Leu Ser Arg Leu Glu Arg Tyr
675 680 685
Val Leu Asn Phe Lys Met Tyr Ser Gln Ser Trp Thr Asp Met Met Glu
690 695 700
Glu His Arg Pro Cys Arg Ala Leu Cys Ile Asn Gly Phe Asn Ala Ser
705 710 715 720
Val Gln Ser Phe Ile Ser Leu Pro Ile Lys Asp Phe Phe Gln Lys Ala
725 730 735
Glu Tyr Leu His Leu Arg Asp Leu Lys Gly Gly Tyr Glu Asn Val Ile
740 745 750
Pro Ser Met Val Pro Gln Gly Met Asn His Leu Thr Phe Leu Ile Leu
755 760 765
Glu Asp Cys Pro Glu Ile Lys Cys Val Phe Asp Gly Thr Thr Met Gln
770 775 780
Thr Glu Asp Ala Phe Ser Ser Leu Val Ile Leu Arg Leu Tyr Glu Leu
785 790 795 800
Asp Asn Leu Glu Glu Val Phe Asn Asp Pro Ser Ser Arg Cys Ser Leu
805 810 815
Lys Ser Leu Glu Glu Leu Ser Ile Glu Ser Cys Arg Gln Leu Tyr Asn
820 825 830
Ile Ser Phe Pro Lys Asn Ser Lys Leu Cys His Leu Lys Phe Leu Thr
835 840 845
Ile Asp His Cys Pro Met Leu Thr Cys Ile Phe Lys Pro Ser Ile Val
850 855 860
Gln Thr Leu Glu Leu Leu Glu Gln Val Thr Ile Ser Asp Cys Phe Glu
865 870 875 880
Leu Lys Gln Ile Ile Glu Glu Val Glu Glu Gly Ser Val Asp Tyr Val
885 890 895
Ser Ser Gln Ser His Thr Ser Leu Met Leu Pro Lys Leu Arg Thr Leu
900 905 910
Thr Ile Leu Arg Cys His Ser Leu Glu Tyr Ile Phe Pro Met Cys Tyr
915 920 925
Ala His Gly Leu Ala Ser Leu Glu Glu Leu Asn Ile Gly Phe Cys Asp
930 935 940
Lys Leu Lys Tyr Val Phe Gly Ser Glu Lys Glu His Asp Leu Arg Val
945 950 955 960
Tyr Gln His Gln Ser His Pro Gln Thr Asn Ile His Ile Asn Phe Leu
965 970 975
Asn Leu Glu Thr Leu Arg Leu Thr Glu Leu Pro Asn Leu Val Glu Ile
980 985 990
Trp Pro Lys Tyr Phe Asp Pro His Leu Pro Asn Leu Lys Glu Leu Gln
995 1000 1005
Cys Ile Asp Cys Pro Arg Leu Pro Asp Ser Trp Val Arg Arg Val Met
1010 1015 1020
Ile Ile Asp Ser Asp Leu Gln Gln Asp Ser Thr Thr Thr Glu Lys Glu
1025 1030 1035 1040
Leu Leu Cys Ser Val Thr Thr Thr Phe Asn Gln Leu Ser Asp Gln Val
1045 1050 1055
Leu Ser Ser Lys Leu Arg His Leu Gln Leu Tyr Gly Leu Gly Val Lys
1060 1065 1070
Gly Leu Phe Gln Phe Gln Ile Arg Glu His Gly Ser Asn Thr Glu Leu
1075 1080 1085
Ala Pro Leu Asn Leu Asp Leu Ile Tyr Ala Glu Leu Ser Asp Leu Pro
1090 1095 1100
Glu Leu Glu Phe Ile Trp Lys Gly Pro Thr Asn Phe Leu Ser Leu Gln
1105 1110 1115 1120
Met Leu Asp Val Ile Tyr Val Asn Arg Cys Pro Lys Leu Lys Val Ile
1125 1130 1135
Phe Ser Pro Thr Ile Val Arg Ser Leu Pro Met Leu Arg Thr Leu Glu
1140 1145 1150
Ile Thr His Cys Glu Glu Leu Glu Gln Ile Phe Asp Ser Gly Asp Ala
1155 1160 1165
Gln Thr Leu Tyr Thr Cys Ser Gln Gln Val Cys Phe Pro Asn Leu His
1170 1175 1180
Tyr Ile Cys Val Glu Lys Cys Asn Lys Leu Lys Tyr Leu Phe His Asn
1185 1190 1195 1200
Phe Val Ala Gly His Phe His Asn Leu Ile Ala Leu Glu Ile Lys Asp
1205 1210 1215
Cys Ser Gln Leu Gln Lys Val Phe Ala Phe Glu Cys Glu Thr Asp Asp
1220 1225 1230
Asp Asp Gln Glu Gly Ile Val Met Asp Gly Glu Lys Val Leu Leu Arg
1235 1240 1245
Asn Leu Leu Arg Ile Arg Leu Ser Arg Leu Pro Asn Phe Lys Glu Ile
1250 1255 1260
His His Gly Phe Lys Leu Lys Asp Asp Val Glu Glu His Ile Ile Asn
1265 1270 1275 1280
Asp Cys Pro Lys Tyr Tyr Pro Ser Leu Tyr Leu His Thr Glu Glu
1285 1290 1295
<210> 5
<211> 18
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 5
ctcacggctt ccaccact 18
<210> 6
<211> 23
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 6
tccgcatact catacactcc tac 23
<210> 3
<211> 25
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 3
gggttgatga aaacaacaag ggctg 25
<210> 4
<211> 25
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 4
aaaccagccc ttgttgtttt catca 25
<210> 7
<211> 21
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 7
aggacaggca caactctact a 21
<210> 8
<211> 18
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 8
attcacgcct acgccaat 18
<210> 9
<211> 24
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 9
ttctgaaagt ccgtatatgc ctag 24
<210> 10
<211> 22
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 10
gcctttcagt attttcggag tt 22
<210> 11
<211> 19
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 11
ggagttcaca gaggcagag 19
<210> 12
<211> 20
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 12
cacttacgca tcacatagca 20

Claims (2)

1.抗大豆花叶病毒的基因GmRDBM在抗大豆花叶病毒品种培育中的应用,所述的抗大豆花叶病毒的基因GmRDBM,其cDNA序列如SEQ ID NO.1所示。
2.根据权利要求1所述的应用,其特征在于,将GmRDBM的基因通过转基因方法转入要改良的品种,从而获得抗大豆花叶病毒的品种。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110951755A (zh) * 2019-12-23 2020-04-03 南京农业大学 大豆花叶病毒保守片段cfo及由其构建的反向重复载体在大豆对smv广谱抗性中的应用
CN117247964A (zh) * 2023-09-04 2023-12-19 南京农业大学 一个能够调控大豆花叶病毒抗性的E3泛素连接酶基因GmPUB20的应用

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102584967A (zh) * 2011-12-30 2012-07-18 南京大学 大豆中抗SMV蛋白及其编码基因Rsv3C与应用

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102584967A (zh) * 2011-12-30 2012-07-18 南京大学 大豆中抗SMV蛋白及其编码基因Rsv3C与应用

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110951755A (zh) * 2019-12-23 2020-04-03 南京农业大学 大豆花叶病毒保守片段cfo及由其构建的反向重复载体在大豆对smv广谱抗性中的应用
CN117247964A (zh) * 2023-09-04 2023-12-19 南京农业大学 一个能够调控大豆花叶病毒抗性的E3泛素连接酶基因GmPUB20的应用
CN117247964B (zh) * 2023-09-04 2024-05-28 南京农业大学 一个能够调控大豆花叶病毒抗性的E3泛素连接酶基因GmPUB20的应用

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