CN108060167B - 一种长牡蛎tyrosinase1启动子及其重组表达载体及应用 - Google Patents

一种长牡蛎tyrosinase1启动子及其重组表达载体及应用 Download PDF

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CN108060167B
CN108060167B CN201711401175.3A CN201711401175A CN108060167B CN 108060167 B CN108060167 B CN 108060167B CN 201711401175 A CN201711401175 A CN 201711401175A CN 108060167 B CN108060167 B CN 108060167B
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郇聘
王倩
刘保忠
谭素建
王鸿霞
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Abstract

本发明涉及分子生物学技术,具体的说是一种长牡蛎tyrosinase 1启动子及其重组表达载体及应用。启动子为SEQ ID No.1所示的碱基序列。所述启动子为与SEQ ID No.1所示的碱基序列具有80%或80%以上同源性的碱基序列,且具有启动子功能。通过注射重组表达载体,启动目的基因的表达,实现目的基因在贝类幼虫中的表达。

Description

一种长牡蛎tyrosinase1启动子及其重组表达载体及应用
技术领域
本发明涉及分子生物学技术,具体的说是一种长牡蛎tyrosinase 1 启动子及其重组表达载体及应用。
背景技术
在软体动物早期发育研究中,目前尚无可用的启动子。Tyrosinase 是一种含铜氧化酶,参与众多生化过程,包括贝壳形成、色素合成及免疫反应等。tyrosinase 1启动子可以在贝类幼虫中驱动报告基因的表达,为软体动物的发育研究提供便利。
发明内容
本发明的目的在于提供一种长牡蛎tyrosinase 1启动子及其重组表达载体及应用。
为实现上述目的,本发明采用技术方案为:
一种长牡蛎tyrosinase 1启动子,启动子为SEQ ID No.1所示的碱基序列。
所述启动子为与SEQ ID No.1所示的碱基序列具有80%或80%以上同源性的碱基序列,且具有启动子功能。
一种长牡蛎tyrosinase 1启动子的应用,所述启动子在制备重组表达载体中的应用。
一种长牡蛎tyrosinase 1启动子的应用,所述启动子在贝类幼虫中启动目的基因表达。
所述目的基因为可在细胞中转录或翻译的功能基因或RNA序列,如编码蛋白的各种功能基因(如EGFP)、反义RNA或其它具有调节功能的长 RNA序列(如LnRNA),在本例应用中是EGFP。
含所述的长牡蛎tyrosinase 1启动子的重组表达载体。
一种所述的含长牡蛎tyrosinase 1启动子的重组表达载体的应用,其特征在于:所述重组表达载体在贝类幼虫中启动目的基因表达中的应用。
本发明所具有的优点:
通过注射重组表达载体,启动目的基因的表达,实现目的基因在贝类幼虫中的表达。
附图说明
图1为本发明实施例提供的pEGFP-1质粒示意图。
图2为本发明实施例提供的pEGFP-1质粒中的多克隆位点图。
图3为本发明实施例提供的注射重组载体的笠贝早期幼虫中tyrosinase 1启动子驱动GFP表达的结果图,其中,注射重组载体的幼虫出现GFP的绿色荧光。
具体实施方式
下面结合附图和实施例对本发明做进一步解释说明。
实施例1
启动子扩增:
使用海洋动物组织基因组DNA提取试剂盒(TIANGEN,目录号:DP324)提取长牡蛎(Crassostrea gigas)基因组DNA,根据长牡蛎基因组数据库 (http://www.oysterdb.com)设计长牡蛎基因启动子特异性引物。
(上游引物Cgtyr1PmF,加16碱基的载体pEGFP-1同源末端1,下游引物Cgtyr1PmR,加16碱基的载体pEGFP-1同源末端2)
以上述提取的长牡蛎的gDNA为模板,使用Premix TaqTM(LA TaqTM Version 2.0)(Takara,目录号:RR900Q)聚合酶进行PCR扩增。如表 1所示。
表1基因启动子扩增的PCR体系
组成 体积
Premix Taq(LA TaqVersion 2.0) 25μl
DNA模板 2μl
上游引物Cgtyr1PmF(10μM) 2μl
下游引物Cgtyr1PmR(10μM) 2μl
超纯水 19μl
PCR扩增程序为:98℃预变性2min;98℃变性20s,58℃退火20s,72 ℃延伸2min30s,进行35个反应循环;72℃延伸7min。
上游引物Cgtyr1PmF:CGCGGGCCCGGGATCCTACAGTAAAGGTCAGCCCAACTAT,其中下划线代表16碱基的载体pEGFP-1同源末端1;下游引物Cgtyr1PmR:GGCGACCGGTGGATCCCTTGAAAGAGAATTTCAGAAATTCA,其中下划线代表16碱基的载体pEGFP-1同源末端2。
PCR扩增产物经1.0%琼脂糖凝胶电泳分离,得到大小为2300bp左右的条带,使用Thermo Scientific的GeneJET Gel Extraction Kit(目录号:K0692)进行纯化回收,即得cgtyr1启动子碱基序列如序列表1 所示。
实施例2
cgtyr1::GFP重组载体构建:
将pEGFP-1质粒(中国科学院海洋研究所张晓军提供,还可以从优宝生物(http://www.youbio.cn/)订购,货号:VT1106,其碱基序列如序列 2中所示)用BamHI酶切线性化,将如上述得到的PCR回收产物cgtyr1 启动与线性化的pEGFP-1进行In-Fusion连接(In-Fusion HD Cloning Kit,TaKaRa,目录号:638909),转化大肠杆菌,挑取阳性转化子测序(如cgtyr1启动子序列所示),证明准确,具体为:
In-Fusion连接体系:
组成 体积
PCR回收产物(cgtyr1启动子) 1.5μl
超纯水 3.5μl
线性化pEGFP-1 3μl
Infusion Mix 2μl
总体积 10μl
将上述记载的两片段按照上述表中记载的连接体系混合,50℃水浴中连接15min,经过连接后用感受态细胞DH5α进行转化。取出-80℃保存感大肠杆菌受态,立即静置于冰中;将适量体积的待转化DNA(每100μL感受态加入50ng DNA,体积不要超过感受态细胞体积的5%)与感受态轻轻混匀,冰上静置20min;42℃热激90s,然后冰上放置2-3min。加入900 μL的LB液体培养基(不含抗生素),37℃150rpm振荡培养1-1.5h; 5000rpm离心3min,弃上清,用100μL LB液体培养基重悬浮菌体。将重悬液涂于卡那霉素抗性LB平板上,37℃倒置培养12-20h。选取单菌落,进行菌落PCR鉴定。空载质粒的产物大小约为100bp,重组载体产物长度约为2400bp。鉴定用引物:pEGFP-1-F,CGAGCTCAAGCTTCGAATTCTG; pEGFP-1-R,CGCCGTCCAGCTCGACCAG。获得含有pEGFP-1+cgtyr1表达载体的重组大肠杆菌,命名为cgtyr1::GFP(参见图1)。对cgtyr1::GFP表达载体中的cgtyr1启动子进行测序,测序结果如cgtyr1启动子所示。测序结果表明,获得的cgtyr1::GFP重组表达载体中cgtyr1启动子序列正确。
用无内毒素质粒小提中量试剂盒(目录号:DP118-02)从大肠杆菌 cgtyr1::GFP中提取重组载体cgtyr1::GFP。
实施例3
软体动物早期幼虫中GFP的表达
将提取的重组载体cgtyr1::GFP配置成注射液:重组载体50ng/uL,酚红 0.05%。
将性成熟的笠贝放入70ml新鲜海水的培养杯中(每杯一只),待其产卵排精后,分别收集精子和卵细胞。
将收集的卵细胞转入盛有5ml新鲜海水的培养皿中,放置于解剖镜下。将显微注射仪(WARNER,目录号:PLI-100A)输入气压维持在200pa。用 Microloader(eppendorf,目录号:5242956003)吸取0.5ul注射液注入注射针Femtotip II(eppendorf,目录号:5242957000),将注射针连接于注射仪。设置注射参数:输入气压200pa,平衡气压3pa,注射压力 15pa,注射时间0.08s。注射体积依据酚红颜色指示,不超过卵体积的 5%。
将注射后的卵转移至12孔培养板,加入5ml新鲜海水,按体积5%的比例加入备好的精子,室温受精一小时后将精子洗脱,重新加入5ml新鲜海水。培养20hpf后检测重组载体的的表达情况,拍照记录(参见图3)。由图3可见注射重组载体的笠贝早期幼虫中GFP表达(绿色荧光),证明该重组载体可以在贝类幼虫中启动目的基因表达。
tyrosinase 1启动子序列:该启动子名称cgi tyrosinase 1,或简称cgtyr1启动子
TACAGTAAAGGTCAGCCCAACTATGATCAATTCAGTACTTGCAAAAATAAATACTACGAA ACTTACAACTTAAGGTATTGTTGTTTCTTTATTATTTATCGAAAATCATTTGATTTAATT GAAAACAATTGTTAATTGATGCTTTGGATTATTAAATAAAACCAAGATAAAAAAAATCGA CTAAAAAAATTAATCAACCAAAATTGCATAATGTAAAATATCAGCACATCCAAATTTTCA TGAGATTTCGGATGTATCGTCAAAAAATATATATTGTTAGAATCATTTCATGACTTACAG AAAACGATCAATTGATAATAAAAGTAAACAGGATACATTGTATTTCTGTAAGAATAAATT ATTCAGAGTTACTGATAGATTTTGGAGCCACCTGTGATCGTTCAATGTACCACCTACCTT AATCACAGTAGAACCTGGTGAATGGGGTTGATTATACAGAGCCGTCAGAATTTTAAATAC TCATTTTTCATATGAATTTCATTTTTTAAGTACAATAAAAAAACAATCGCAATCAATCAA TCTCTCGCGTGCTTTTTAGTGATTTTAATGGGTAATTTATGAAAATTAAATTAAACTGAT CAGGTCTGAACATATGATTTATATCTCTCTCTCCATAACCACAATTTCTAATGGATTAAA CAGAAGAATTTTCTATACTCATCAAAAAAACTTTTTACAATGCGTTCACATAACCGAGAC GTCACAGCCGTTGGAAAATTCATTTAAAAAATTAATTTAAAGAATAGGGAGAACTTGTTC GGCACTAAAGGCCATTGCACAATACACCCCTGAAAATCAGCTTCATCTTATAGTGTGATG TTCAAATTTTATATGAAGGTTTTACTCCGCAACAAAATAATAAGTTCATACAATCAATTA GTACCATACTTCGTTCAAAAATCGTGTTAACTTCCATAATAAACGATGACTTTAATTTCC TTATGATGTTGAATAAGCGATGTAAAGAAACTCGCTCTCATATATTGAACATATCAATGT TTACAATTTTTCGGAACAAATGGTTAAAGATTTTATTACATCTGAGATTTGATCAGATAG CTTGCAACGCATGGTCATAATCAAGTTCAATTTAGAACGAAAATACGTTCCAAATGATTA CACTCTGCACATTGCAGAATACAAAAAATTTAAAATACAAATTATTAAATTTTTTATCAA GTTATATCTATGCCTTTGTCTTAATTCAATGACTGATCGCTAACAAAATTCACAAAAGAA CATAGAAATAAAATCATTTAGTTAAATTGATCCTTCTATGAAAAGATTTCAAATACGAGA CGTGAATTCCATGCATTTACTTGTGCTCTAAAAAGCAAAGAAATGAATGAAAGAAACTAT CCTAATGAACTCCTTCTGGTTAGAATTTCTAAAGTTCAGACTTGTCTCAAATCAAAAAAC CGTGTAAACGGATCTATTAATAAATACTAAGTAGGCAGGAATCTCTTAATTCAGTTAGAA AATCAAACCCTTTTTGACACATAAAAAGACACATCTTGTATTCAAATTTTACCTTAGTAA TTTTTAATAATTGTTAGTCATGTCAGAAACTCCTAATGATTATTTTGAATGAATGATGGA TTGTTTTCCCAGGGCATTACTAACAGAATGGTGAGCAGTCTGTCACTCTAGGCGTTACAC AGAGGTTTCCATTTCCCACCAATCACCGAGCCCGCACGTACACAAGCTGTATATAAAGCT CCCGAACCCGAGACCAAAGACACGGCCTCCGGACAATCAAGAATCCAAGGTGCGTTACCA AAAAAGCTTATTCTATTCTCGCTTCTCTTTTTTATGACATTTTTATTAAGAAGCGAGACA TAAAGTTTGATTATTAGTATGCTGAGGTTTAAAGTTAATTTACTGTTTTTGCTTAAAAAA AAAAAATCCTATAAAAAATAAACTTTTGTTAGCCCTAGTTATTTTTTAAGGGTTGGCTAG GGTGTTCTCTTGCTTTTCAAAAATGACATTTATAGTGCATAATCAAATAAATAGACATAA AGTTTGATTATTAATATGCTGAGGTTTAAAGTTAATCTACTGTTTTTGCTTTAAAAAAAG AAAATACCTATTAAAAAAAATAAACTTTAGATAGTCCTAACTATTTTATAACAGTTTGGCTGGGATGTTCTCTTTATTTTTCAAAAATTACATTTAGTGCATAATAATTTCAAAATTTAC ACTTAATCCCTGTAGTTCATATATTCAAATGTTTCCATTAATGAATTTCTGAAATTCTCTTTCAAG
pEGFP-1载体序列:
TAGTTATTACTAGCGCTACCGGACTCAGATCTCGAGCTCAAGCTTCGAATTCTGCAGTCGACGGTACCGCGGG CCCGGGATCCACCGGTCGCCACCATGGTGAGCAAGGGCGAGGAGCTGTTCACCGGGGTGGTGCCCATCCTGGTCGAGCTGGACGGCGACGTAAACGGCCACAAGTTCAGCGTGTCCGGCGAGGGCGAGGGCGATGCCACCT ACGGCAAGCTGACCCTGAAGTTCATCTGCACCACCGGCAAGCTGCCCGTGCCCTGGCCCACCCTCGTGACC ACCCTGACCTACGGCGTGCAGTGCTTCAGCCGCTACCCCGACCACATGAAGCAGCACGACTTCTTCAAGTCC GCCATGCCCGAAGGCTACGTCCAGGAGCGCACCATCTTCTTCAAGGACGACGGCAACTACAAGACCCGCGC CGAGGTGAAGTTCGAGGGCGACACCCTGGTGAACCGCATCGAGCTGAAGGGCATCGACTTCAAGGAGGAC GGCAACATCCTGGGGCACAAGCTGGAGTACAACTACAACAGCCACAACGTCTATATCATGGCCGACAAGCA GAAGAACGGCATCAAGGTGAACTTCAAGATCCGCCACAACATCGAGGACGGCAGCGTGCAGCTCGCCGAC CACTACCAGCAGAACACCCCCATCGGCGACGGCCCCGTGCTGCTGCCCGACAACCACTACCTGAGCACCCA GTCCGCCCTGAGCAAAGACCCCAACGAGAAGCGCGATCACATGGTCCTGCTGGAGTTCGTGACCGCCGCCG GGATCACTCTCGGCATGGACGAGCTGTACAAGTAAAGCGGCCGCGACTCTAGATCATAATCAGCCATACCAC ATTTGTAGAGGTTTTACTTGCTTTAAAAAACCTCCCACACCTCCCCCTGAACCTGAAACATAAAATGAATGCA ATTGTTGTTGTTAACTTGTTTATTGCAGCTTATAATGGTTACAAATAAAGCAATAGCATCACAAATTTCACAAA TAAAGCATTTTTTTCACTGCATTCTAGTTGTGGTTTGTCCAAACTCATCAATGTATCTTAAGGCGTAAATTGTA AGCGTTAATATTTTGTTAAAATTCGCGTTAAATTTTTGTTAAATCAGCTCATTTTTTAACCAATAGGCCGAAATC GGCAAAATCCCTTATAAATCAAAAGAATAGACCGAGATAGGGTTGAGTGTTGTTCCAGTTTGGAACAAGAGT CCACTATTAAAGAACGTGGACTCCAACGTCAAAGGGCGAAAAACCGTCTATCAGGGCGATGGCCCACTACG TGAACCATCACCCTAATCAAGTTTTTTGGGGTCGAGGTGCCGTAAAGCACTAAATCGGAACCCTAAAGGGAG CCCCCGATTTAGAGCTTGACGGGGAAAGCCGGCGAACGTGGCGAGAAAGGAAGGGAAGAAAGCGAAAGG AGCGGGCGCTAGGGCGCTGGCAAGTGTAGCGGTCACGCTGCGCGTAACCACCACACCCGCCGCGCTTAATG CGCCGCTACAGGGCGCGTCAGGTGGCACTTTTCGGGGAAATGTGCGCGGAACCCCTATTTGTTTATTTTTCTA AATACATTCAAATATGTATCCGCTCATGAGACAATAACCCTGATAAATGCTTCAATAATATTGAAAAAGGAAGA GTCCTGAGGCGGAAAGAACCAGCTGTGGAATGTGTGTCAGTTAGGGTGTGGAAAGTCCCCAGGCTCCCCAG CAGGCAGAAGTATGCAAAGCATGCATCTCAATTAGTCAGCAACCAGGTGTGGAAAGTCCCCAGGCTCCCCAGCAGGCAGAAGTATGCAAAGCATGCATCTCAATTAGTCAGCAACCATAGTCCCGCCCCTAACTCCGCCCATC CCGCCCCTAACTCCGCCCAGTTCCGCCCATTCTCCGCCCCATGGCTGACTAATTTTTTTTATTTATGCAGAGGC CGAGGCCGCCTCGGCCTCTGAGCTATTCCAGAAGTAGTGAGGAGGCTTTTTTGGAGGCCTAGGCTTTTGCAA AGATCGATCAAGAGACAGGATGAGGATCGTTTCGCATGATTGAACAAGATGGATTGCACGCAGGTTCTCCGG CCGCTTGGGTGGAGAGGCTATTCGGCTATGACTGGGCACAACAGACAATCGGCTGCTCTGATGCCGCCGTGT TCCGGCTGTCAGCGCAGGGGCGCCCGGTTCTTTTTGTCAAGACCGACCTGTCCGGTGCCCTGAATGAACTGC AAGACGAGGCAGCGCGGCTATCGTGGCTGGCCACGACGGGCGTTCCTTGCGCAGCTGTGCTCGACGTTGTC ACTGAAGCGGGAAGGGACTGGCTGCTATTGGGCGAAGTGCCGGGGCAGGATCTCCTGTCATCTCACCTTGCT CCTGCCGAGAAAGTATCCATCATGGCTGATGCAATGCGGCGGCTGCATACGCTTGATCCGGCTACCTGCCCAT TCGACCACCAAGCGAAACATCGCATCGAGCGAGCACGTACTCGGATGGAAGCCGGTCTTGTCGATCAGGAT GATCTGGACGAAGAGCATCAGGGGCTCGCGCCAGCCGAACTGTTCGCCAGGCTCAAGGCGAGCATGCCCGA CGGCGAGGATCTCGTCGTGACCCATGGCGATGCCTGCTTGCCGAATATCATGGTGGAAAATGGCCGCTTTTCT GGATTCATCGACTGTGGCCGGCTGGGTGTGGCGGACCGCTATCAGGACATAGCGTTGGCTACCCGTGATATTG CTGAAGAGCTTGGCGGCGAATGGGCTGACCGCTTCCTCGTGCTTTACGGTATCGCCGCTCCCGATTCGCAGC GCATCGCCTTCTATCGCCTTCTTGACGAGTTCTTCTGAGCGGGACTCTGGGGTTCGAAATGACCGACCAAGC GACGCCCAACCTGCCATCACGAGATTTCGATTCCACCGCCGCCTTCTATGAAAGGTTGGGCTTCGGAATCGTT TTCCGGGACGCCGGCTGGATGATCCTCCAGCGCGGGGATCTCATGCTGGAGTTCTTCGCCCACCCTAGGGGG AGGCTAACTGAAACACGGAAGGAGACAATACCGGAAGGAACCCGCGCTATGACGGCAATAAAAAGACAGA ATAAAACGCACGGTGTTGGGTCGTTTGTTCATAAACGCGGGGTTCGGTCCCAGGGCTGGCACTCTGTCGATA CCCCACCGAGACCCCATTGGGGCCAATACGCCCGCGTTTCTTCCTTTTCCCCACCCCACCCCCCAAGTTCGG GTGAAGGCCCAGGGCTCGCAGCCAACGTCGGGGCGGCAGGCCCTGCCATAGCCTCAGGTTACTCATATATAC TTTAGATTGATTTAAAACTTCATTTTTAATTTAAAAGGATCTAGGTGAAGATCCTTTTTGATAATCTCATGACCA AAATCCCTTAACGTGAGTTTTCGTTCCACTGAGCGTCAGACCCCGTAGAAAAGATCAAAGGATCTTCTTGAG ATCCTTTTTTTCTGCGCGTAATCTGCTGCTTGCAAACAAAAAAACCACCGCTACCAGCGGTGGTTTGTTTGCC GGATCAAGAGCTACCAACTCTTTTTCCGAAGGTAACTGGCTTCAGCAGAGCGCAGATACCAAATACTGTCCT TCTAGTGTAGCCGTAGTTAGGCCACCACTTCAAGAACTCTGTAGCACCGCCTACATACCTCGCTCTGCTAATC CTGTTACCAGTGGCTGCTGCCAGTGGCGATAAGTCGTGTCTTACCGGGTTGGACTCAAGACGATAGTTACCGGATAAGGCGCAGCGGTCGGGCTGAACGGGGGGTTCGTGCACACAGCCCAGCTTGGAGCGAACGACCTACA CCGAACTGAGATACCTACAGCGTGAGCTATGAGAAAGCGCCACGCTTCCCGAAGGGAGAAAGGCGGACAG GTATCCGGTAAGCGGCAGGGTCGGAACAGGAGAGCGCACGAGGGAGCTTCCAGGGGGAAACGCCTGGTAT CTTTATAGTCCTGTCGGGTTTCGCCACCTCTGACTTGAGCGTCGATTTTTGTGATGCTCGTCAGGGGGGCGGA GCCTATGGAAAAACGCCAGCAACGCGGCCTTTTTACGGTTCCTGGCCTTTTGCTGGCCTTTTGCTCACATGTT CTTTCCTGCGTTATCCCCTGATTCTGTGGATAACCGTATTACCGCCATGCAT。
序列表
<110> 中国科学院海洋研究所
<120> 一种长牡蛎 tyrosinase 1启动子及其重组表达载体及应用
<140> 2017114011753
<141> 2017-12-22
<160> 1
<170> SIPOSequenceListing 1.0
<210> 1
<211> 2286
<212> DNA
<213> 人工序列(Artificial Sequence)
<400> 1
tacagtaaag gtcagcccaa ctatgatcaa ttcagtactt gcaaaaataa atactacgaa 60
acttacaact taaggtattg ttgtttcttt attatttatc gaaaatcatt tgatttaatt 120
gaaaacaatt gttaattgat gctttggatt attaaataaa accaagataa aaaaaatcga 180
ctaaaaaaat taatcaacca aaattgcata atgtaaaata tcagcacatc caaattttca 240
tgagatttcg gatgtatcgt caaaaaatat atattgttag aatcatttca tgacttacag 300
aaaacgatca attgataata aaagtaaaca ggatacattg tatttctgta agaataaatt 360
attcagagtt actgatagat tttggagcca cctgtgatcg ttcaatgtac cacctacctt 420
aatcacagta gaacctggtg aatggggttg attatacaga gccgtcagaa ttttaaatac 480
tcatttttca tatgaatttc attttttaag tacaataaaa aaacaatcgc aatcaatcaa 540
tctctcgcgt gctttttagt gattttaatg ggtaatttat gaaaattaaa ttaaactgat 600
caggtctgaa catatgattt atatctctct ctccataacc acaatttcta atggattaaa 660
cagaagaatt ttctatactc atcaaaaaaa ctttttacaa tgcgttcaca taaccgagac 720
gtcacagccg ttggaaaatt catttaaaaa attaatttaa agaataggga gaacttgttc 780
ggcactaaag gccattgcac aatacacccc tgaaaatcag cttcatctta tagtgtgatg 840
ttcaaatttt atatgaaggt tttactccgc aacaaaataa taagttcata caatcaatta 900
gtaccatact tcgttcaaaa atcgtgttaa cttccataat aaacgatgac tttaatttcc 960
ttatgatgtt gaataagcga tgtaaagaaa ctcgctctca tatattgaac atatcaatgt 1020
ttacaatttt tcggaacaaa tggttaaaga ttttattaca tctgagattt gatcagatag 1080
cttgcaacgc atggtcataa tcaagttcaa tttagaacga aaatacgttc caaatgatta 1140
cactctgcac attgcagaat acaaaaaatt taaaatacaa attattaaat tttttatcaa 1200
gttatatcta tgcctttgtc ttaattcaat gactgatcgc taacaaaatt cacaaaagaa 1260
catagaaata aaatcattta gttaaattga tccttctatg aaaagatttc aaatacgaga 1320
cgtgaattcc atgcatttac ttgtgctcta aaaagcaaag aaatgaatga aagaaactat 1380
cctaatgaac tccttctggt tagaatttct aaagttcaga cttgtctcaa atcaaaaaac 1440
cgtgtaaacg gatctattaa taaatactaa gtaggcagga atctcttaat tcagttagaa 1500
aatcaaaccc tttttgacac ataaaaagac acatcttgta ttcaaatttt accttagtaa 1560
tttttaataa ttgttagtca tgtcagaaac tcctaatgat tattttgaat gaatgatgga 1620
ttgttttccc agggcattac taacagaatg gtgagcagtc tgtcactcta ggcgttacac 1680
agaggtttcc atttcccacc aatcaccgag cccgcacgta cacaagctgt atataaagct 1740
cccgaacccg agaccaaaga cacggcctcc ggacaatcaa gaatccaagg tgcgttacca 1800
aaaaagctta ttctattctc gcttctcttt tttatgacat ttttattaag aagcgagaca 1860
taaagtttga ttattagtat gctgaggttt aaagttaatt tactgttttt gcttaaaaaa 1920
aaaaaatcct ataaaaaata aacttttgtt agccctagtt attttttaag ggttggctag 1980
ggtgttctct tgcttttcaa aaatgacatt tatagtgcat aatcaaataa atagacataa 2040
agtttgatta ttaatatgct gaggtttaaa gttaatctac tgtttttgct ttaaaaaaag 2100
aaaataccta ttaaaaaaaa taaactttag atagtcctaa ctattttata acagtttggc 2160
tgggatgttc tctttatttt tcaaaaatta catttagtgc ataataattt caaaatttac 2220
acttaatccc tgtagttcat atattcaaat gtttccatta atgaatttct gaaattctct 2280
ttcaag 2286

Claims (6)

1.一种长牡蛎 tyrosinase 1启动子,其特征在于:启动子为SEQ ID No.1所示的碱基序列。
2.一种按权利要求1所述的长牡蛎 tyrosinase 1启动子的应用,其特征在于:所述启动子在制备重组表达载体中的应用。
3.一种按权利要求1所述的长牡蛎 tyrosinase 1启动子的应用,其特征在于:所述启动子在贝类幼虫中启动目的基因中的应用。
4.按权利要求3所述的长牡蛎 tyrosinase 1启动子的应用,其特征在于:所述目的基因为在细胞中转录或翻译的功能基因或RNA序列。
5.含权利要求1所述的长牡蛎 tyrosinase 1启动子的重组表达载体。
6.一种权利要求5所述的含长牡蛎 tyrosinase 1启动子的重组表达载体的应用,其特征在于:所述重组表达载体在贝类幼虫中启动目的基因表达中的应用。
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Non-Patent Citations (2)

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Title
Crassostrea gigas genome assembly, linkage group: LG3;Genbank;《Genbank》;20200215;全文 *
Crassostrea gigas tyrosinase (tyr) mRNA, complete cds;Genbank;《Genbank》;20131105;全文 *

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