CN109913468B - 小麦分蘖性状相关基因TaTAC1、其表达产物、其表达载体及应用 - Google Patents
小麦分蘖性状相关基因TaTAC1、其表达产物、其表达载体及应用 Download PDFInfo
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- CN109913468B CN109913468B CN201910213415.XA CN201910213415A CN109913468B CN 109913468 B CN109913468 B CN 109913468B CN 201910213415 A CN201910213415 A CN 201910213415A CN 109913468 B CN109913468 B CN 109913468B
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Abstract
本发明公开了一种小麦分蘖性状相关基因TaTAC1、其表达产物、其表达载体及应用,以解决小麦分蘖性状相关基因缺乏的技术问题。本发明提供一种小麦分蘖性状相关基因TaTAC1,其所在基因组核苷酸序列,其全长cDNA核苷酸序列,其CDS核苷酸序列。提供一种小麦分蘖性状相关基因TaTAC1的突变型,其CDS核苷酸序列。还提供一种小麦分蘖性状相关基因编码的蛋白的氨基酸序列。设计一种由上述基因构建的表达载体,并由上述的表达载体构建的重组菌。将上述基因在制备转基因植物细胞、植物育种中应用。本发明有助于揭示小麦株型的分子遗传基础,对利用基因工程技术改良小麦株型起到重要作用,为高产小麦新品种培育提供新思路。
Description
技术领域
本发明涉及植物基因工程技术领域,具体涉及一种小麦分蘖性状相关基因TaTAC1、其表达产物、其表达载体及应用。
背景技术
高等植物的分蘖(分枝)系统是高等植物形态结构的重要组成部分,分蘖(分枝)模式对植物生长的诸多方面均有重要影响,包括植物的株型、光能利用效率以及对环境的适应能力等(Wang Y, Li J. Molecular basis of plant architecture. Annu Rev PlantBiol, 2008, 59 (1): 253-279.)。
分蘖是小麦、水稻等禾本科作物非常重要的农艺性状之一,其通过影响作物穗数的多少进而影响和决定作物产量。分蘖包括分蘖能力与分蘖角度两个方面,前者表现了分蘖数的多少,决定了有效穗数和光合面积大小,直接影响作物产量;后者则体现了主茎与分蘖之间的集散程度,决定了植株的空间构型,并通过影响群体的种植密度以及光合效率间接影响作物群体产量。在高密度种植的条件下,分蘖数和分蘖角度就成了影响作物产量的关键因素,而调控作物的分蘖数和分蘖角度也就成为增加作物产量的有效及必要途径之一。
目前,在模式作物水稻中已发掘出一大批调控分蘖生长的重要基因,部分基因的功能得到深入解析;通过遗传操作与基因工程技术将这些基因导入现有栽培品种中,可改良株型并提高产量,部分基因已在实际生产中发挥显著功效,如TAC1(Yu B, Lin Z, Li H,et a1.TAC1, a major quantitative trait locus controlling tiller angle inrice. Plant J, 2007, 52 (5): 891-898)、IPA1(Jiao Y, Wang Y, Xue D, et al.Regulation of OsSPL14 by OsmiR156 defines ideal plant architecture in rice.Nat Genet,2010, 42: 541-544;Zhang L, Yu H, Ma B, et al. A natural tandemarray alleviation epigenetic repression of IPA1 and leads to superioryielding rice. Nat Commun, 2017, 8: 14789)、PAY1(Zhao L, Tan L, Zhu Z, et al. PAY1 improves plant architecture and enhances grain yield in rice. Plant J,83 (3): 528-536)等。
然而,受限于复杂的遗传背景限制,小麦中的分蘖性状相关基因挖掘工作进展缓慢,迄今为止,对控制小麦分蘖性状相关基因的克隆仍鲜有报道。
因此,挖掘和克隆控制更多的小麦分蘖性状相关基因,并从分子水平上阐明其遗传机制,将有助于明确小麦株型的遗传特点,对株型改良育种具有重要意义;还有助于培育优质高产的小麦新品种,为提高小麦产量提供技术支持。
发明内容
本发明要解决的技术问题是提供一种小麦分蘖性状相关基因TaTAC1、其表达产物、其表达载体,并将其应用于制备转基因植物细胞和植物育种中,以解决小麦分蘖性状相关基因缺乏的技术问题,为小麦育种提供更多的选择。
为解决上述技术问题,本发明采用如下技术方案:
挖掘出一种小麦分蘖性状相关基因TaTAC1,其所在基因组核苷酸序列如SEQ IDNO.1所示。
挖掘出一种小麦分蘖性状相关基因TaTAC1,其全长cDNA核苷酸序列为:
(1)如SEQ ID NO.2所示的核酸序列;或
(2)由SEQ ID NO.2所示的核酸序列衍生的具有同等功能的核酸序列。
包括在严格条件下与SEQ ID NO.2的DNA序列杂交且编码控制小麦分蘖相关性状蛋白的DNA分子;或与SEQ ID NO.2的DNA序列具有90%以上同源性及编码控制小麦分蘖相关性状蛋白的DNA分子。
上述严格条件可为用0.1×SSPE(或 0.1×SSC),0.1%SDS的溶液,在DNA或者RNAgel blot实验中65℃下杂交并洗膜。
优选的,其CDS核苷酸序列为:
(1)如SEQ ID NO.3所示的核酸序列,为全长cDNA序列的开放阅读框架(自5′末端第47至829位碱基);或
(2)由SEQ ID NO.3所示的核酸序列衍生的具有同等功能的核酸序列。
提供一种小麦分蘖性状相关基因TaTAC1的突变型,其CDS核苷酸序列如SEQ IDNO.4所示。
还提供一种小麦分蘖性状相关基因编码的蛋白TaTAC1,其氨基酸序列为:
(1)如SEQ ID NO.5所示的氨基酸序列;或
(2)在SEQ ID NO.5所示的氨基酸序列的基础上进行一个或多个氨基酸的添加、删除或替换而获得活性片段或保守性变异体的序列。
设计一种由上述基因构建的表达载体,并由上述的表达载体构建的重组菌。
所述重组表达载体具体可为在pLGY-02的酶切位点BamH I和Sac I之间插入SEQID NO.3所示的核酸序列的自5′末端的第47-829位脱氧核苷酸得到的重组质粒。
所述植物表达载体包括双元农杆菌载体和可用于植物微弹轰击的载体等。所述植物表达载体还可包含外源基因的3′端非翻译区域,即包含聚腺苷酸信号和任何其它参与mRNA加工或基因表达的DNA片段。所述聚腺苷酸信号可引导聚腺苷酸加入到mRNA前体的3′端,如农杆菌冠瘿瘤诱导(Ti)质粒基因(如胭脂合成酶Nos基因)、植物基因(如大豆贮存蛋白基因)3′端转录的非翻译区均具有类似功能。使用所述基因构建重组植物表达载体时,在其转录起始核苷酸前可加上任何一种增强型启动子或组成型启动子,如花椰菜花叶病毒(CAMV)35S启动子、玉米的泛素启动子(Ubiquitin),它们可单独使用或与其它的植物启动子结合使用;此外,使用本发明的基因构建植物表达载体时,还可使用增强子,包括翻译增强子或转录增强子,这些增强子区域可以是ATG起始密码子或邻接区域起始密码子等,但必需与编码序列的阅读框相同,以保证整个序列的正确翻译。所述翻译控制信号和起始密码子的来源是广泛的,可以是天然的,也可以是合成的。翻译起始区域可以来自转录起始区域或结构基因。为了便于对转基因植物细胞或植物进行鉴定及筛选,可对所用植物表达载体进行加工,如加入可在植物中表达的编码可产生颜色变化的酶或发光化合物的基因(GUS基因、萤光素酶基因等)、具有抗性的抗生素标记物(庆大霉素标记物、卡那霉素标记物等)或是抗化学试剂标记基因(如抗除莠剂基因)等。从转基因植物的安全性考虑,可不加任何选择性标记基因,直接以逆境筛选转化植株。
将上述基因在制备转基因植物细胞中应用。即将所述基因导入目的植物中,得到可调节分蘖(分枝)的转基因植物。携带有所述基因的表达载体可通过使用Ti质粒、Ri质粒、植物病毒载体、直接DNA转化、显微注射、电导、农杆菌介导、基因枪等常规生物学方法转化植物细胞或组织,并将转化的植物组织培育成植株。
所述目的植物既可以是单子叶植物也可以是双子叶植物。所述单子叶植物具体可为小麦,如小麦品种轮选987。
将上述基因和/或上述蛋白在植物育种中应用。
与现有技术相比,本发明的有益技术效果在于:
1. 本发明首次公开、并确认了一种新的小麦分蘖性状相关基因,命名为TaTAC1,该基因位于小麦染色体5A上,其表达的蛋白可调控小麦分蘖角度和分蘖数。
2. 本发明明确了小麦分蘖性状相关基因TaTAC1的DNA序列,CDS序列和编码蛋白序列,为小麦育种的应用实践打下基础。
3. 本发明有助于揭示小麦株型的分子遗传基础,同时对利用基因工程技术改良小麦株型和快速高效培育高产小麦品种起到重要作用。
4. 本发明的小麦分蘖的性状相关基因TaTAC1可应用于小麦株型改良育种,为高产小麦新品种培育提供了新的技术途径。
附图说明
图1为野生型KWT和TaTAC1突变体(K3908)的表型比较图;
图2为野生型KWT和TaTAC1突变体(K3908)的分蘖角度(a)和分蘖数(b)统计比较图;
图3为过表达转基因株系(T3-3和T3-6)与空载对照(LX987)在拔节期的株型比较图;
图4为过表达转基因株系(T3-3和T3-6)与空载对照(LX987)在灌浆期的株型比较图;
图5为过表达转基因株系(T3-3和T3-6)与空载对照(LX987)中表达量(a)、分蘖角度(b)和分蘖数(c)统计比较图;
图6为pLGY-02载体质粒图谱。
具体实施方式
下面结合附图和实施例来说明本发明的具体实施方式,但以下实施例只是用来详细说明本发明,并不以任何方式限制本发明的范围。
在以下实施例中所涉及的仪器设备如无特别说明,均为常规仪器设备;所涉及的试剂如无特别说明,均为市售常规试剂;所涉及的试验方法,如无特别说明,均为常规方法。以下实施例中的定量试验,均设置三次重复实验,结果取平均值。引物合成及测序工作均由生工生物工程(上海)股份有限公司完成。
实施例1:控制小麦分蘖相关性状基因TaTAC1的获得
(1)将四倍体小麦Kronos经甲基磺酸乙酯(EMS)诱导突变处理并经过3代自交和表型性状观察,调查株高、分蘖角度、分蘖数、旗叶长宽、茎粗及穗下节长等株型相关性状,待突变体株系内所有单株表型均不再发生分离后,形成基因型纯和的突变体系。
通过对分蘖相关性状的调查,从这些突变体系中发现了一个分蘖角度减小、分蘖减少的突变体,命名为K3908。
野生型KWT和突变体K3908的表型比较如图1所示:
同野生型KWT植株相比,突变体K3908植株表现为分蘖角度显著减小,分蘖数也明显减少。
野生型KWT和TaTAC1突变体K3908的分蘖角度和分蘖数比较如图2所示:
对野生型KWT和突变体K3908植株分蘖角度与分蘖数进行测量对比,可以直观看出突变体K3908植株分蘖角度与分蘖数均显著小于野生型KWT植株。
(2)将突变体K3908与其诱变亲本Kronos进行杂交,杂交F1代表现为野生型表型,根据遗传学F1杂合子表现出与显性亲本相同表型,从而可以推测出控制这个突变性状的基因是隐性的。
将杂交F1经过自交后产生F2后代群体,调查200个F2单株,其中显性个体,即表型与野生表型相同的单株152株,表型突变的单株48株,性状分离比例接近3:1(Χ2 = 0.015;P= 0.726)。由此可以得出突变体表型性状由一个隐性单基因控制。
(3)从上述F2后代中挑选分蘖角度极大与极小的极端表型单株(各6株)进行转录组测序,并对转录本进行无参拼接,通过对序列比较最终鉴定出一个转录本序列发生碱基突变的基因。
将该突变基因序列同野生型序列进行比对发现,在该基因的第3外显子、CDS序列的第463碱基处,有1个核苷酸由C突变为T,从而导致基因翻译提前终止,该基因CDS序列如SEQ ID NO.4所示。进一步将该基因序列在NCBI数据库中进行Blast同源比对发现,该突变基因为水稻中TAC1基因同源基因,因此将该基因命名为TaTAC1。
(4)为验证上述突变是否为控制小麦分蘖性状基因TaTAC1,对由TaTAC1突变体和野生型构建的F2中100个单株进行了基因型检测,利用引物CX1 F和CX1 R对包含突变位点的DNA片段进行PCR扩增并测序,并利用统计软件分析突变位点基因型与表型之间的关联性。
引物序列如下:
CX1 F:5'- TGTCTGGCTTTCACCTCTGACTAA-3';
CX1 R:5'-GATGACCGTTGAGAAGGGTACGA -3'。
PCR反应体系为:
表1反应体系
PCR反应程序为:
94℃ 5 min;94℃ 30 s,58℃ 30 s,72℃ 1 min,35 cycles;最后72℃延伸10min。
对100个F2单株突变位点基因型进行鉴定,结合分蘖角度表型数据进行统计分析,结果如表2所示:
表2 分蘖角度表型数据
结果显示在TaTAC1基因CDS序列的第463碱基处发生与突变体相同碱基替换的基因型纯合植株表型数据同未发生突变或杂合植株表型之间存在极显著差异(P=1.5×10-5,by Student’s t-test at P < 0.01 )。
进一步对鉴定结果分析发现100个F2单株中,所有株型表现接近于突变体K3908的单株均在TaTAC1基因CDS序列的第463碱基处发生了与突变体相同的碱基替换,而其余单株在第463碱基处未发生碱基替换或位点基因型表现为C/T杂合类型,说明该突变基因为控制小麦分蘖性状基因TaTAC1。
实施例2:TaTAC1转基因水稻的获得及其鉴定
(1)TaTAC1植物过表达载体的构建
利用通过转录组测序所获得的Kronos中TaTAC1转录本序列信息,在EnsemblPlants网站的小麦基因组数据库中进行序列比对(http://plants.ensembl.org/Triticum_aestivum/Info/Index),获得小麦中国春分蘖性状相关基因TaTAC1,该基因位于小麦染色体5A上,其基因组序列如SEQ ID NO.1所示,进一步利用RACE实验获得其全长cDNA序列如SEQ ID NO.2所示,其CDS序列如SEQ ID NO.3所示,其编码的蛋白序列如SEQ IDNO.5所示。
根据小麦中国春中TaTAC1的全长cDNA序列设计引物,并在引物两端分别引入限制性内切酶BamH I和Sac I识别位点及保护碱基,引物序列如下:
FL1 F: 5'- CGGGATCCATGGCCCTCAAGGTGTTCAG-3'
(带下划线碱基为限制性内切酶BamH I识别位点及保护碱基);
FL1 R: 5'-GAGAGCTCCTAGGCACCAAGCAGCGGAG -3'
(带下划线碱基为限制性内切酶Sac I识别位点及保护碱基)。
利用TRIZOL试剂提取中国春苗期总RNA,以此RNA为模板,使用SuperScript III反转录酶(Invitrogen,Cat no.18080-044)进行反转录得到cDNA,以此cDNA为模板,利用引物FL1 F和FL1 R进行PCR扩增小麦TaTAC1基因的编码序列。
PCR反应体系为:
表3 反应体系
PCR反应程序为:
94℃ 2 min;94℃ 15 s,58℃ 30 s,68℃ 1 min,35 cycles;最后68℃延伸10min。
反应结束后,对扩增产物进行1%琼脂糖凝胶电泳检测,回收并纯化783bp的DNA片段进行测序,测序结果表明,扩增得到的DNA片段与SEQ ID NO.3所示序列一致。
表达载体选择pLGY-02,其载体图谱如图6所示。
将上述783bp的DNA片段克隆入植物表达载体pLGY-02的酶切位点BamH I和Sac I之间,得到含有小麦TaTAC1基因的重组表达载体,命名为pLGY-02-TaTAC1。
(2)TaTAC1转基因小麦的获得
将pLGY-02用农杆菌浸染法转化小麦轮选987的幼胚愈伤组织,经过筛选、预分化、分化得到空载对照植株LX987。
将pLGY-02-TaTAC1用农杆菌浸染法转化小麦轮选987的幼胚愈伤组织,经过筛选、预分化、分化得到阳性植株。将阳性植株利用引物FL1 F和FL1 R进行PCR鉴定,得到T0代转基因植株。
(3)转基因水稻的PCR鉴定和表型鉴定
利用FL1F和FL1R引物对进行PCR筛选阳性转基因植株,共获得13个阳性转基因植株,经过加代,获得T3代纯合转基因株系(T3-3和T3-6)。
过表达转基因株系T3(T3-3和T3-6)与空载对照LX987在拔节期的株型如图3所示:
同空载对照LX987植株比较,在拔节期过表达转基因株系T3(T3-3与T3-6)表现为更大的分蘖角度以及较多的分蘖数。
过表达转基因株系T3(T3-3和T3-6)与空载对照LX987在灌浆期的株型如图4所示:
同空载对照LX987植株比较,在灌浆期过表达转基因株系T3(T3-3与T3-6)仍然表现为更大的分蘖角度以及较多的分蘖数。
利用FL1F和FL1R引物,荧光实时定量PCR检测基因TaTAC1在T3代阳性转基因植株叶片中的表达量。
结果如图5中a部分所示,目的基因TaTAC1在T3代阳性转基因植株叶片中的表达量显著高于空载对照,是空载叶中表达量的4倍左右。
统计小麦植株的分蘖角度和分蘖数,结果如图5中b和c部分所示,同空载对照植株相比,转基因植株表型表现为分蘖角度增大、分蘖增加,株型变松散。
综上,本发明的麦分蘖性状相关基因TaTAC1表达的蛋白可调控小麦分蘖角度和分蘖数,可用于研究控制小麦株型,特别是分蘖相关性状的分子机理研究,在小麦育种方面有着重要的应用价值。
上面结合附图和实施例对本发明作了详细的说明,但是,所属技术领域的技术人员能够理解,在不脱离本发明宗旨的前提下,还可以对上述实施例中的各个具体参数进行变更,形成多个具体的实施例,均为本发明的常见变化范围,在此不再一一详述。
SEQUENCE LISTING
<110> 河南农业大学
<120> 小麦分蘖性状相关基因TaTAC1、其表达产物、其表达载体及应用
<130> 2019
<160> 9
<170> PatentIn version 3.2
<210> 1
<211> 2751
<212> DNA
<213> Triticum aestivum
<400> 1
agctactgtc tggctttcac ctctgactaa agattggcta tagagaatgg ccctcaaggt 60
atacagttaa cttgtcctga tacaccattt gtcggtgtat agtgtatgct gcaaagtaca 120
tgtctttgca gtttctgctt ctcttaaact gtgtgtaaga ttcaattccc tggtcttgta 180
tttagtgatg ctgctaatga gctacgtgtt cttatggcat caccaggtgt tcagttggct 240
gaatcggaag atgcattcca atgcggagta ctgcaccatt gatgataata agggtaagca 300
tctcaggact ctggatacct tccttttatg ccatcacgca tttctttgtt cttatttatg 360
tcgtcaacat tttttaatgg atcagccatg gagaaggaag actctgtgcg cgcgcgcgcg 420
agtgtggctg agcaagacac tgaagccctg ctgctccgtg atgtgcttct taatggcata 480
cttgcgattg gcacgcttgg ccacaacatg aactcccctg aggcccgcca tgaacaagat 540
gagttcatcg tcatggatga agaaaaggtg gaccaagaga agtacgaaga ggaaaagtgt 600
gaggacaaag aagaggcatt cgctacagca ccaagtgcac cagaacctgc tattgaacct 660
gccaggatgc attcatcgtc gatgaaagaa tacaacttca cgtgttctgt aaaggaagaa 720
atcctgatgt gtgaagttga agtggaggat atctctaaaa tccaggaaca accacttctg 780
atggcagaga aggttgagaa agtgagaact acacttgctg atctatttgc agccgaaaca 840
ttctcaccaa gtgatacagg ggagaagagt caccagaaga ctgttattat tgctggggca 900
tccacttcaa aacctacatt gtgcatggaa aagacacata aaaagaagcc aataaagcca 960
atgccagatc ctctgaaggc tacgagaaaa ttaagtcgag tatggctttc ttcgtcccta 1020
tcttttatgt gttgcaacta tgctcatttt atgaaaacgt tgccattggt tcttctgcaa 1080
attcatgtta gcttgtcgtg ttacactgcc tgttacttac ctagaagtgg ttcaaattcg 1140
ccactttact ccatggacac gacagtgttt tatatattgc tcatgttttt tcaccggaaa 1200
gtaagcttta tgcagcttag cctatcttga taacaaacag tcactaacat gtcatcatct 1260
gatggtattg gtcatctgtg ggaataagta ggtcgtgaag aagatgctgg ggaagaagat 1320
ccacccagag cagctcaatg gacgtagtaa tgcagaggaa cctccgctgc ttggtgccta 1380
ggctcgcgga caagtttgtt ttctctatct ggtaatctac tacctggaat ttattttcat 1440
atgatcttgg aattatatag caatgtcgta cccttctcaa cggtcatcaa atcgacatgg 1500
atggtgtatt gttgatggtt gatttccatt tcaggctttc ttaagacttc ttccttggag 1560
cccaatattt ataataaaat tatgcttttt ctgtggcaat tttagtgtag aatgggtcca 1620
cttggtcgag tgtagatttg ctgatgggtc gcgactagcc atgacaaacg aatcacattt 1680
gaaataaaga aactgtgcgt tgttcagact tacctgtggc aacacattgg gataatagaa 1740
catctgaaca cgtgaatttt ggcagcttca gtaagtgatg gaaaaattag tgggggagta 1800
cataaaaggc atttcctgta tcaacttgtt cacattgtcg gtagagagaa agagaagcca 1860
aaagtttata acaaaattat tgacgaaaat attccttgat gaaactgatg gtagttttaa 1920
gtagaaagaa tgatgtaagt tcgagtgtca ttaaaatgcc actggtcagg aagatgatgt 1980
cccttgctcc tataggaaca gagtacttcc atcattctgt gatctctgaa cccaatcatg 2040
gaagatcctc tggtaggaag agctgacacg agtcgatact cctggggact actcccggag 2100
tagtaccaag gcatgggata gtacttaaac tactaatagt aacagacgca ttccctcctt 2160
cgggccatgc cgccaagctt tcttgagcac atggcctgca acgcgacgac gagcacgcgc 2220
tgaaaatcgc tagcagacag gcaactgaaa cagtgggggc tatgggctga agctacgatg 2280
tatacggagc atgcaaccgt agcagacctc ctcgccatac aatacgcgaa catctctgcc 2340
gccctgtgtg gtgatagccg aggctgtaca gatttgattg tgcgcagaca gcaactgaga 2400
tttgctcctt tgttttgcag gatcatgtta cgttccattg gatccctaca gtgccccgga 2460
ggtccggatt cctttgctgg agagaagcat ccaaccacaa cgtactacgt tggccgacaa 2520
tgtttccgtg cctcatcagc tgcctgttcg cccgccagtg acgaagaata gcctgctgcc 2580
taaatatatc tatctatcta tctatcttgt ctattgttta ttacatgttg attcccgtgt 2640
gtaaagctag ccacagttgc ggtgtcctgt cctgtcctgt aagatggatc gatgttctcg 2700
tggtactgca tgtccccgtg cgtcggtatc aataaaccct ccgctttctt t 2751
<210> 2
<211> 1190
<212> DNA
<213> Triticum aestivum
<400> 2
agctactgtc tggctttcac ctctgactaa agattggcta tagagaatgg ccctcaaggt 60
gttcagttgg ctgaatcgga agatgcattc caatgcggag tactgcacca ttgatgataa 120
taaggccatg gagaaggaag actctgtgcg cgcgcgcgcg agtgtggctg agcaagacac 180
tgaagccctg ctgctccgtg atgtgcttct taatggcata cttgcgattg gcacgcttgg 240
ccacaacatg aactcccctg aggcccgcca tgaacaagat gagttcatcg tcatggatga 300
agaaaaggtg gaccaagaga agtacgaaga ggaaaagtgt gaggacaaag aagaggcatt 360
cgctacagca ccaagtgcac cagaacctgc tattgaacct gccaggatgc attcatcgtc 420
gatgaaagaa tacaacttca cgtgttctgt aaaggaagaa atcctgatgt gtgaagttga 480
agtggaggat atctctaaaa tccaggaaca accacttctg atggcagaga aggttgagaa 540
agtgagaact acacttgctg atctatttgc agccgaaaca ttctcaccaa gtgatacagg 600
ggagaagagt caccagaaga ctgttattat tgctggggca tccacttcaa aacctacatt 660
gtgcatggaa aagacacata aaaagaagcc aataaagcca atgccagatc ctctgaaggc 720
tacgagaaaa ttaagtcgag tcgtgaagaa gatgctgggg aagaagatcc acccagagca 780
gctcaatgga cgtagtaatg cagaggaacc tccgctgctt ggtgcctagg ctcgcggaca 840
agtttgtttt ctctatctgg atcatgttac gttccattgg atccctacag tgccccggag 900
gtccggattc ctttgctgga gagaagcatc caaccacaac gtactacgtt ggccgacaat 960
gtttccgtgc ctcatcagct gcctgttcgc ccgccagtga cgaagaatag cctgctgcct 1020
aaatatatct atctatctat ctatcttgtc tattgtttat tacatgttga ttcccgtgtg 1080
taaagctagc cacagttgcg gtgtcctgtc ctgtcctgta agatggatcg atgttctcgt 1140
ggtactgcat gtccccgtgc gtcggtatca ataaaccctc cgctttcttt 1190
<210> 3
<211> 783
<212> DNA
<213> Triticum aestivum
<400> 3
atggccctca aggtgttcag ttggctgaat cggaagatgc attccaatgc ggagtactgc 60
accattgatg ataataaggc catggagaag gaagactctg tgcgcgcgcg cgcgagtgtg 120
gctgagcaag acactgaagc cctgctgctc cgtgatgtgc ttcttaatgg catacttgcg 180
attggcacgc ttggccacaa catgaactcc cctgaggccc gccatgaaca agatgagttc 240
atcgtcatgg atgaagaaaa ggtggaccaa gagaagtacg aagaggaaaa gtgtgaggac 300
aaagaagagg cattcgctac agcaccaagt gcaccagaac ctgctattga acctgccagg 360
atgcattcat cgtcgatgaa agaatacaac ttcacgtgtt ctgtaaagga agaaatcctg 420
atgtgtgaag ttgaagtgga ggatatctct aaaatccagg aacaaccact tctgatggca 480
gagaaggttg agaaagtgag aactacactt gctgatctat ttgcagccga aacattctca 540
ccaagtgata caggggagaa gagtcaccag aagactgtta ttattgctgg ggcatccact 600
tcaaaaccta cattgtgcat ggaaaagaca cataaaaaga agccaataaa gccaatgcca 660
gatcctctga aggctacgag aaaattaagt cgagtcgtga agaagatgct ggggaagaag 720
atccacccag agcagctcaa tggacgtagt aatgcagagg aacctccgct gcttggtgcc 780
tag 783
<210> 4
<211> 783
<212> DNA
<213> Triticum aestivum
<400> 4
atggccctca aggtgttcag ttggctgaat cggaagatgc attccaatgc ggagtactgc 60
accattgatg ataataaggc catggagaag gaagactctg tgcgcgcgtg cgcgagtgtg 120
gctgagcaag acactgaagc cctgctgctc cgtgatgtgc ttcttaatgg catacttgcg 180
attggcacgc ttggccacaa catgaactcc cctgaggccc gccatgaaca agatgagttc 240
atcgtcatgg atgaagaaaa ggtggaccaa gagaagtacg aagaggaaaa gtgtgaggac 300
aaagaagagg cattcgctac agcaccaagt gcaccagaac ctgctattga acctgccagg 360
atgcattcat cgtcgatgaa agaatacaac ttcacgtgtt ctgtaaagga agaaatcctg 420
atgtgtgaag ttgaagtgga ggatatctct aaaatccagg aataaccact tctgatggca 480
gagaaggttg agaaagtgag aactacactt gctgatctat ttgcagccga aacattctca 540
ccaagtgata caggggagaa gagtcaccag aagactgtta ttattgctgg ggcatccact 600
tcaaaaccta cattgtgcat ggaaaagaca cataaaaaga agccaataaa gccaatgcca 660
gatcctctga aggctacgag aaaattaagt cgagtcgtga agaagatgct ggggaagaag 720
atccacccag agcagctcaa tggacgtagt aatgcagagg aacctccgct gcttggtgcc 780
tag 783
<210> 5
<211> 260
<212> PRT
<213> Triticum aestivum
<400> 5
Met Ala Leu Lys Val Phe Ser Trp Leu Asn Arg Lys Met His Ser Asn
1 5 10 15
Ala Glu Tyr Cys Thr Ile Asp Asp Asn Lys Ala Met Glu Lys Glu Asp
20 25 30
Ser Val Arg Ala Arg Ala Ser Val Ala Glu Gln Asp Thr Glu Ala Leu
35 40 45
Leu Leu Arg Asp Val Leu Leu Asn Gly Ile Leu Ala Ile Gly Thr Leu
50 55 60
Gly His Asn Met Asn Ser Pro Glu Ala Arg His Glu Gln Asp Glu Phe
65 70 75 80
Ile Val Met Asp Glu Glu Lys Val Asp Gln Glu Lys Tyr Glu Glu Glu
85 90 95
Lys Cys Glu Asp Lys Glu Glu Ala Phe Ala Thr Ala Pro Ser Ala Pro
100 105 110
Glu Pro Ala Ile Glu Pro Ala Arg Met His Ser Ser Ser Met Lys Glu
115 120 125
Tyr Asn Phe Thr Cys Ser Val Lys Glu Glu Ile Leu Met Cys Glu Val
130 135 140
Glu Val Glu Asp Ile Ser Lys Ile Gln Glu Gln Pro Leu Leu Met Ala
145 150 155 160
Glu Lys Val Glu Lys Val Arg Thr Thr Leu Ala Asp Leu Phe Ala Ala
165 170 175
Glu Thr Phe Ser Pro Ser Asp Thr Gly Glu Lys Ser His Gln Lys Thr
180 185 190
Val Ile Ile Ala Gly Ala Ser Thr Ser Lys Pro Thr Leu Cys Met Glu
195 200 205
Lys Thr His Lys Lys Lys Pro Ile Lys Pro Met Pro Asp Pro Leu Lys
210 215 220
Ala Thr Arg Lys Leu Ser Arg Val Val Lys Lys Met Leu Gly Lys Lys
225 230 235 240
Ile His Pro Glu Gln Leu Asn Gly Arg Ser Asn Ala Glu Glu Pro Pro
245 250 255
Leu Leu Gly Ala
260
<210> 6
<211> 24
<212> DNA
<213> 人工合成
<400> 6
tgtctggctt tcacctctga ctaa 24
<210> 7
<211> 23
<212> DNA
<213> 人工合成
<400> 7
gatgaccgtt gagaagggta cga 23
<210> 8
<211> 28
<212> DNA
<213> 人工合成
<400> 8
cgggatccat ggccctcaag gtgttcag 28
<210> 9
<211> 28
<212> DNA
<213> 人工合成
<400> 9
gagagctcct aggcaccaag cagcggag 28
Claims (8)
1.一种小麦分蘖性状相关基因TaTAC1,其全长cDNA核苷酸序列如SEQ ID NO.2所示的核酸序列。
2.根据权利要求1所述的小麦分蘖性状相关基因TaTAC1,其特征在于,其CDS核苷酸序列如SEQ ID NO.3所示的核酸序列。
3.一种小麦分蘖性状相关基因TaTAC1的突变型,其CDS核苷酸序列如SEQ ID NO.4所示。
4.一种小麦分蘖性状相关基因编码的蛋白TaTAC1,其氨基酸序列如SEQ ID NO.5所示的氨基酸序列。
5.一种由权利要求1~3任一项所述基因构建的表达载体。
6.一种由权利要求5所述的表达载体构建的重组菌。
7.权利要求1~3任一项所述基因在制备转基因植物细胞中的应用。
8.权利要求1~3任一项所述基因和/或权利要求4所述蛋白在植物育种中的应用。
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CN118048368B (zh) * | 2024-04-11 | 2024-07-12 | 南京农业大学 | 一个普通小麦分蘖角度调控基因tata1-6d的克隆和应用 |
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