CN102154294A - 丝状真菌启动子、终止子和包含它们的质粒 - Google Patents
丝状真菌启动子、终止子和包含它们的质粒 Download PDFInfo
- Publication number
- CN102154294A CN102154294A CN 201110027394 CN201110027394A CN102154294A CN 102154294 A CN102154294 A CN 102154294A CN 201110027394 CN201110027394 CN 201110027394 CN 201110027394 A CN201110027394 A CN 201110027394A CN 102154294 A CN102154294 A CN 102154294A
- Authority
- CN
- China
- Prior art keywords
- gene
- filamentous fungus
- terminator
- promoter
- plasmid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000013612 plasmid Substances 0.000 title claims abstract description 40
- 241000233866 Fungi Species 0.000 title claims abstract description 26
- 108090000623 proteins and genes Proteins 0.000 claims abstract description 36
- 102000004169 proteins and genes Human genes 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 4
- 108010054624 red fluorescent protein Proteins 0.000 claims description 4
- 230000014509 gene expression Effects 0.000 abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 241001344131 Magnaporthe grisea Species 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 102000007056 Recombinant Fusion Proteins Human genes 0.000 abstract description 2
- 108010008281 Recombinant Fusion Proteins Proteins 0.000 abstract description 2
- 230000006698 induction Effects 0.000 abstract 1
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 241001330975 Magnaporthe oryzae Species 0.000 description 29
- 102000004190 Enzymes Human genes 0.000 description 28
- 108090000790 Enzymes Proteins 0.000 description 28
- 241000894006 Bacteria Species 0.000 description 21
- 239000013604 expression vector Substances 0.000 description 21
- 238000011156 evaluation Methods 0.000 description 20
- 241000588724 Escherichia coli Species 0.000 description 19
- 238000000605 extraction Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 19
- 238000011144 upstream manufacturing Methods 0.000 description 15
- 239000013598 vector Substances 0.000 description 14
- 239000012634 fragment Substances 0.000 description 13
- 241000209094 Oryza Species 0.000 description 11
- 235000007164 Oryza sativa Nutrition 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 235000009566 rice Nutrition 0.000 description 11
- 102000008221 Superoxide Dismutase-1 Human genes 0.000 description 10
- 108010021188 Superoxide Dismutase-1 Proteins 0.000 description 10
- 101000997017 Homo sapiens Neural retina-specific leucine zipper protein Proteins 0.000 description 9
- 238000003259 recombinant expression Methods 0.000 description 9
- 108020004414 DNA Proteins 0.000 description 8
- 102100034268 Neural retina-specific leucine zipper protein Human genes 0.000 description 8
- 230000001717 pathogenic effect Effects 0.000 description 8
- 235000015424 sodium Nutrition 0.000 description 8
- SEEPANYCNGTZFQ-UHFFFAOYSA-N sulfadiazine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)NC1=NC=CC=N1 SEEPANYCNGTZFQ-UHFFFAOYSA-N 0.000 description 8
- 229960004306 sulfadiazine Drugs 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 240000000220 Panda oleosa Species 0.000 description 6
- 235000016496 Panda oleosa Nutrition 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000012216 screening Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 101150066002 GFP gene Proteins 0.000 description 4
- 238000011529 RT qPCR Methods 0.000 description 4
- 230000001580 bacterial effect Effects 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- MURGITYSBWUQTI-UHFFFAOYSA-N fluorescin Chemical compound OC(=O)C1=CC=CC=C1C1C2=CC=C(O)C=C2OC2=CC(O)=CC=C21 MURGITYSBWUQTI-UHFFFAOYSA-N 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XQFCCTPWINMCQJ-UHFFFAOYSA-N 1-(1H-indol-3-yl)-N,N-dimethylpropan-2-amine Chemical compound CC(N(C)C)CC1=CNC2=CC=CC=C12 XQFCCTPWINMCQJ-UHFFFAOYSA-N 0.000 description 3
- 241000589158 Agrobacterium Species 0.000 description 3
- -1 CPKA Proteins 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 102000004243 Tubulin Human genes 0.000 description 3
- 108090000704 Tubulin Proteins 0.000 description 3
- 230000003321 amplification Effects 0.000 description 3
- 208000036815 beta tubulin Diseases 0.000 description 3
- 230000004087 circulation Effects 0.000 description 3
- 239000002299 complementary DNA Substances 0.000 description 3
- 244000000004 fungal plant pathogen Species 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 3
- 229920000936 Agarose Polymers 0.000 description 2
- 102000016928 DNA-directed DNA polymerase Human genes 0.000 description 2
- 108010014303 DNA-directed DNA polymerase Proteins 0.000 description 2
- 108010005054 Deoxyribonuclease BamHI Proteins 0.000 description 2
- 101150112014 Gapdh gene Proteins 0.000 description 2
- 108700007698 Genetic Terminator Regions Proteins 0.000 description 2
- 102100031181 Glyceraldehyde-3-phosphate dehydrogenase Human genes 0.000 description 2
- 241001045988 Neogene Species 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- CWHJIJJSDGEHNS-MYLFLSLOSA-N Senegenin Chemical compound C1[C@H](O)[C@H](O)[C@@](C)(C(O)=O)[C@@H]2CC[C@@]3(C)C(CC[C@]4(CCC(C[C@H]44)(C)C)C(O)=O)=C4[C@@H](CCl)C[C@@H]3[C@]21C CWHJIJJSDGEHNS-MYLFLSLOSA-N 0.000 description 2
- 101150085770 Sur gene Proteins 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001962 electrophoresis Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000002538 fungal effect Effects 0.000 description 2
- 102000037865 fusion proteins Human genes 0.000 description 2
- 108020001507 fusion proteins Proteins 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 108020004445 glyceraldehyde-3-phosphate dehydrogenase Proteins 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000003834 intracellular effect Effects 0.000 description 2
- LFEUVBZXUFMACD-UHFFFAOYSA-H lead(2+);trioxido(oxo)-$l^{5}-arsane Chemical compound [Pb+2].[Pb+2].[Pb+2].[O-][As]([O-])([O-])=O.[O-][As]([O-])([O-])=O LFEUVBZXUFMACD-UHFFFAOYSA-H 0.000 description 2
- 239000002609 medium Substances 0.000 description 2
- 101150091879 neo gene Proteins 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 239000009871 tenuigenin Substances 0.000 description 2
- 108091032973 (ribonucleotides)n+m Proteins 0.000 description 1
- KJCVRFUGPWSIIH-UHFFFAOYSA-N 1-naphthol Chemical compound C1=CC=C2C(O)=CC=CC2=C1 KJCVRFUGPWSIIH-UHFFFAOYSA-N 0.000 description 1
- 101150073246 AGL1 gene Proteins 0.000 description 1
- 101150016901 ALB1 gene Proteins 0.000 description 1
- 101100274294 Arabidopsis thaliana CHLD gene Proteins 0.000 description 1
- 101100203497 Arabidopsis thaliana SMO2-2 gene Proteins 0.000 description 1
- 101100184662 Caenorhabditis elegans mogs-1 gene Proteins 0.000 description 1
- 101100365753 Ceriporiopsis subvermispora (strain B) SMO1 gene Proteins 0.000 description 1
- 108091026890 Coding region Proteins 0.000 description 1
- 102000007260 Deoxyribonuclease I Human genes 0.000 description 1
- 108010008532 Deoxyribonuclease I Proteins 0.000 description 1
- 101001117089 Drosophila melanogaster Calcium/calmodulin-dependent 3',5'-cyclic nucleotide phosphodiesterase 1 Proteins 0.000 description 1
- 102100029075 Exonuclease 1 Human genes 0.000 description 1
- 101000678466 Homo sapiens 40S ribosomal protein S27 Proteins 0.000 description 1
- 101001019502 Homo sapiens Alpha-L-iduronidase Proteins 0.000 description 1
- 101000659223 Homo sapiens Dual specificity protein kinase TTK Proteins 0.000 description 1
- 101000918264 Homo sapiens Exonuclease 1 Proteins 0.000 description 1
- 101000969688 Homo sapiens Macrophage-expressed gene 1 protein Proteins 0.000 description 1
- 101000615488 Homo sapiens Methyl-CpG-binding domain protein 2 Proteins 0.000 description 1
- 101000619805 Homo sapiens Peroxiredoxin-5, mitochondrial Proteins 0.000 description 1
- 101000596041 Homo sapiens Plastin-1 Proteins 0.000 description 1
- 101000836383 Homo sapiens Serpin H1 Proteins 0.000 description 1
- 101710122479 Isocitrate lyase 1 Proteins 0.000 description 1
- 102100021695 Lanosterol 14-alpha demethylase Human genes 0.000 description 1
- 101710146773 Lanosterol 14-alpha demethylase Proteins 0.000 description 1
- 102100021285 Macrophage-expressed gene 1 protein Human genes 0.000 description 1
- 101100015472 Magnaporthe oryzae (strain 70-15 / ATCC MYA-4617 / FGSC 8958) MAGB gene Proteins 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 102100021299 Methyl-CpG-binding domain protein 2 Human genes 0.000 description 1
- 101100434646 Mus musculus Alb gene Proteins 0.000 description 1
- 102000004316 Oxidoreductases Human genes 0.000 description 1
- 108090000854 Oxidoreductases Proteins 0.000 description 1
- 238000012408 PCR amplification Methods 0.000 description 1
- 102100022078 Peroxiredoxin-5, mitochondrial Human genes 0.000 description 1
- 102100035181 Plastin-1 Human genes 0.000 description 1
- 229910021187 SMO1 Inorganic materials 0.000 description 1
- 101100220097 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) CDC37 gene Proteins 0.000 description 1
- 101100524516 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RFA2 gene Proteins 0.000 description 1
- 101100534109 Schizosaccharomyces pombe (strain 972 / ATCC 24843) spm1 gene Proteins 0.000 description 1
- 102100027287 Serpin H1 Human genes 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 230000000680 avirulence Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- UCKZMPLVLCKKMO-LHLIQPBNSA-N cephamycin Chemical compound S1CC(C)=C(C(O)=O)N2C(=O)[C@@H](C)[C@]21OC UCKZMPLVLCKKMO-LHLIQPBNSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 244000053095 fungal pathogen Species 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 230000009456 molecular mechanism Effects 0.000 description 1
- 230000002018 overexpression Effects 0.000 description 1
- 230000007918 pathogenicity Effects 0.000 description 1
- 101150028393 pmk-1 gene Proteins 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000010839 reverse transcription Methods 0.000 description 1
- 239000006152 selective media Substances 0.000 description 1
- 101150062190 sod1 gene Proteins 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- QTENRWWVYAAPBI-YCRXJPFRSA-N streptomycin sulfate Chemical compound OS(O)(=O)=O.OS(O)(=O)=O.OS(O)(=O)=O.CN[C@H]1[C@H](O)[C@@H](O)[C@H](CO)O[C@H]1O[C@@H]1[C@](C=O)(O)[C@H](C)O[C@H]1O[C@@H]1[C@@H](N=C(N)N)[C@H](O)[C@@H](N=C(N)N)[C@H](O)[C@H]1O.CN[C@H]1[C@H](O)[C@@H](O)[C@H](CO)O[C@H]1O[C@@H]1[C@](C=O)(O)[C@H](C)O[C@H]1O[C@@H]1[C@@H](N=C(N)N)[C@H](O)[C@@H](N=C(N)N)[C@H](O)[C@H]1O QTENRWWVYAAPBI-YCRXJPFRSA-N 0.000 description 1
- 230000004960 subcellular localization Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- DQJCHOQLCLEDLL-UHFFFAOYSA-N tricyclazole Chemical compound CC1=CC=CC2=C1N1C=NN=C1S2 DQJCHOQLCLEDLL-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
本发明公开了一种丝状真菌启动子、终止子和包含它们的质粒,所述的丝状真菌启动子,具有SEQ ID NO.1所示的碱基序列,所述的丝状真菌终止子具有SEQ ID NO.2所述的碱基序列。本发明启动子是一个强启动子,在稻瘟病菌的菌丝、孢子和附着胞阶段都高强度启动。该启动子基因属于表达强度在稻瘟病菌细胞内稳定性在前100位以内的基因。该基因是一个清除细胞内活性氧的重要基因,对于维持细胞的正常运转具有重要作用。该基因在活性氧诱导下可以大量诱导表达,用于合成大量的重组蛋白。
Description
技术领域
本发明涉及基因工程领域,尤其涉及一种丝状真菌启动子、终止子和包含它们的质粒。
背景技术
稻瘟病菌(Magnaporthe oryzae)是一种研究植物病原真菌-寄主植物相互作用的丝状真菌模式生物,具有许多病原真菌共有的植物致病侵染循环,包括孢子产生、萌发、附着胞形成、侵染栓形成、侵入菌丝生长等致病过程。由稻瘟病菌引起的稻瘟病是世界性的一种水稻上的毁灭性病害。世界上每年由稻瘟病造成的水稻产量损失在10~30%之间;我国几乎每年都有稻瘟病菌的流行爆发。许多发达国家正在进行研究其致病分子机制,期望通过此类研究开发具有抗瘟特征的水稻品种,以及开发、设计新型抗真菌药物。
稻瘟病菌的致病过程是一个复杂的分子过程。目前已经克隆了许多与稻瘟病菌致病性相关的基因,如:MPG1、CPKA、PMK1、MAGB、PLS1、SMO1、PDE1、MPS1、PTH11、CBP1、ICL1、BUF1、ALB1、ACR1、RSY1、HEX1、ATGs,MNH6等(Nguyen et al.,2008;Egan et al.,2007;Veneault-Fourrey et al.,2006;Dean,2005;Soundararajan et al.,2004;Talbot,2003;Talbot,1999;Choi and Dean,1997;Mitchell & Hamer,1995等)。尽管如此,稻瘟病菌的分子致病机制还是不很清楚,绝大多数的基因功能还未知。
鉴定、克隆植物病原真菌的致病性基因,尤其是与侵入过程相关的基因,可以为开发具有抗瘟特征的水稻品种,以及设计、筛选抗真菌药物提供有用的参考。目前根据稻瘟病菌无毒基因和水稻抗病基因的互作关系,选育了很多水稻抗瘟品种;也已经在包括稻瘟病菌在内的一些真菌中证明了一些药物的靶点,如三环唑是一种很重要的稻瘟病菌杀菌剂,其作用是抑制黑色素的合成,靶点是稻瘟病菌的三羟萘还原酶;多肽杀菌剂sorphenA的作用靶点是青霉的脱甲基酶(CYP51)。
鉴定、克隆植物病原真菌的致病性基因,需要分析蛋白在细胞内的定位、蛋白过量表达对植物病原真菌的作用等,这都需要一种丝状真菌细胞内蛋白快速表达和高效表达的系统。目前,每个基因研究还都需要各自建立一个基因表达系统(如NAR启动子;RP27启动子),缺少高效的、通用的丝状真菌蛋白表达系统。
发明内容
本发明提供了一种丝状真菌启动子,利用该启动子可以在丝状真菌菌丝、分生孢子、附着孢等各个阶段高丰度表达蛋白、RNA或DNA。
一种丝状真菌启动子(或者互补链),具有SEQ ID NO.1所示的碱基序列。
一种丝状真菌终止子(或者互补链),具有SEQ ID NO.2所示的碱基序列。
本发明提供了包含上述启动子和/或终止子的质粒。
该质粒可以是原始表达载体,该原始表达载体含有抗性基因SUR或抗性基因NEO,也可以是重组表达载体;也可以是重组表达载体,其外源基因为GFP蛋白基因或红色荧光蛋白基因。
本发明提供了上述质粒在丝状真菌中表达蛋白、DNA或RNA中应用。
本发明提供了包含上述质粒的转化子。
本发明启动子是一个强启动子,在稻瘟病菌的菌丝、孢子和附着胞阶段都高强度启动。该启动子基因属于表达强度在稻瘟病菌细胞内稳定性在前100位以内的基因。该基因是一个清除细胞内活性氧的重要基因,对于维持细胞的正常运转具有重要作用。该基因在活性氧诱导下可以大量诱导表达,用于合成大量的重组蛋白。
附图说明
图1是pKD6表达载体的构建过程示意图。pKD6质粒具有卡那霉素(Kana)抗性和磺胺嘧啶(SUR)抗性筛选标记。
图2是pKD6-GFP表达载体的构建过程示意图。pKD6-GFP质粒具有卡那霉素(Kana)抗性和磺胺嘧啶(SUR)抗性筛选标记,含有eGFP绿色荧光基因。
图3是pKD6-DsRED表达载体的构建过程示意图。pKD6-DsRED质粒具有卡那霉素(Kana)抗性和磺胺嘧啶(SUR)抗性筛选标记,含有DsRED红色荧光基因。
图4是pKD8表达载体的构建过程示意图。pKD8质粒具有卡那霉素(Kana)抗性和新霉素(Neo)抗性筛选标记。
图5是pKD8-GFP表达载体的构建过程示意图。pKD8-GFP质粒具有卡那霉素(Kana)抗性和新霉素(Neo)抗性筛选标记,含有eGFP绿色荧光基因。
图6是pKD8-DsRED表达载体的构建过程示意图。pKD8-DsRED质粒具有卡那霉素(Kana)抗性和新霉素(Neo)抗性筛选标记,含有DsRED红色荧光基因。
图7是SOD1启动子驱动的DsRED荧光蛋白在稻瘟病菌菌丝和孢子强烈表达。左方(A)为暗视场下拍摄,右方(B)为明视场下拍摄;红色为DsRED发出的红色荧光。
图8是SOD1启动子驱动的GAPDH-GFP融合蛋白在菌丝细胞中的定位。GAPDH-GFP融合蛋白发出的绿色荧光分布于细胞质中;上方(A)为暗视场下拍摄,下方(B)为明视场下拍摄。
具体实施方式
实施例1获得稻瘟病菌SOD1启动子序列。
从稻瘟病菌Guy11菌株(Fungal Genetics Stock Center)的菌丝体中提取DNA并作为模板,根据稻瘟病菌70-15菌株的基因组数据库设计引物,利用高保真PCR方法扩增SOD1基因的启动子序列。
上游引物a1:5’-ATgaattcCGGTCATAACGCCAAGTTAATA-3’;
下游引物a2:5’-ATTCTAGACCCGGGGGATCCGACCATTTTGACGGTTGTTTGGTA-3’。
在上游引物中引入EcoRI位点;在下游引物中引入BamHI-SmaI-XbaI位点。
PCR体系为:稻瘟病菌基因组DNA 1μl,高保真DNA聚合酶0.5μl,dNTP(50mM)0.4μl,上下游引物各0.5μl,10x PCR缓冲液5μl,加水至50μl。
PCR运行条件为:94℃3分钟,35个循环(94℃30秒,58℃1分钟,72℃1分钟30秒),72℃10分钟。
PCR产物经琼脂糖电泳,切下1.5kb大小的目的条带,经胶回收纯化,连接到pGEM-T EASY载体上,转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定,然后测序证实。经测序证实SOD1启动子的DNA编码序列为SEQ ID NO.1所示。
实施例2获得稻瘟病菌RP27终止子序列的
从稻瘟病菌Guy11菌株的菌丝体中提取DNA并作为模板,根据稻瘟病菌70-15菌株的基因组数据库设计引物,利用高保真PCR方法扩增RP27基因的终止子序列。
上游引物b1:5’-ATCTGCAGTAAGCGACACGCCATCACGATA-3’;
下游引物b2:5’-ATAAGCTTTGTTGAAATTACCAGCGATTCGA-3’。
在上游引物中引入PstI位点;在下游引物中引入HindIII位点。PCR体系为:稻瘟病菌基因组DNA为1μl,高保真DNA聚合酶0.5μl,dNTP(50mM)0.4μl,上下游引物各0.5μl,10x PCR缓冲液5μl,加水至50μl。
PCR运行条件为:94℃3分钟,35个循环(94℃30秒,60℃1分钟,72℃30秒),72℃10分钟。
PCR产物经琼脂糖电泳,切下1.5kb大小的目的条带,经胶回收纯化,连接到pGEM-T EASY载体上,转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定,然后测序证实。经测序证实RP27终止子的DNA编码序列为SEQ ID NO.2所示。
实施例3构建携带SOD1启动子和RP27终止子的重组表达载体
重组表达载体pKD6的构建:利用抗性基因SUR的PCR引物从pCB1528经PCR获得SUR基因片段。
上游引物c1:5’-GTGCCAACGCCACAGTGCC-3’
下游引物c2:5’-GCGAATTCACTAGTGATTGTGAATCGTGAGAGCATGCAATTCCC-3’
克隆到pGEM-T EASY载体,转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。重组载体然后用XhoI和EcoRI酶切,2.8kb的酶切片段(SUR基因片段)插入pCAMBIA1300载体的XhoI和EcoRI位点;重组载体转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。鉴定正确的载体再用PstI和HinDIII双酶切后,与RP27终止子相连;重组载体转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。验证连接RP27终止子正确的载体用EcoRI和SalI酶切后,再与SOD1启动子相连;重组载体转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。将获得的验证正确的载体命名为pKD6(如附图1所示)。
(1)GFP蛋白重组表达载体pKD6-GFP的构建过程:
利用GFP的PCR引物从pGFP经PCR获得GFP基因片段,
上游引物d1:5‘-AAcccgggATGGTGAGCAAGGGCGAGGAG-3’
下游引物d2:5‘-AATCTAGACTTGTACAGCTCGTCCATGCCG-3’,
克隆到pGEM-T EASY载体,转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。重组载体然后用SmaII和XbaI酶切,GFP基因片段插入表达载体pKD6的SmaII和XbaI位点;转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。将获得的验证正确的载体命名为pKD6-GFP(如附图2所示)。
(2)红色荧光蛋白重组表达载体pKD6-DsRED的构建过程:
利用DsRED的PCR引物,从pDsRED2经PCR获得DsRED基因片段,
上游引物e1:5‘-AAcccgggATGGCCTCCTCCGAGAACGTCATC-3’
下游引物e2:5‘-AATCTAGACAGGAACAGGTGGTGGCG-3’。
克隆到pGEM-T EASY载体,转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。重组载体然后用SmaII和XbaI酶切,DsRED基因片段插入表达载体pKD6的SmaII和XbaI位点;转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。将获得的验证正确的载体命名为pKD6-RED(如附图3所示)。
(3)重组表达载体pKD8的构建过程:
利用抗性基因NEO的PCR引物,从pSilent-Dual1PCR扩增获得NEO基因片段,
上游引物f1:5’-GCactagtGAGGTCAACACATCAATGC-3’
下游引物f2:5’-TTctcgagTCAGAAGAACTCGTCAAGAAGGCG-3’,
克隆到pGEM-T EASY载体,转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。重组载体然后用XhoI和EcoRI酶切,1.1kb的酶切片段(NEO基因片段)插入pCAMBIA1300载体的XhoI和EcoRI位点;重组载体转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。鉴定正确的载体再用PstI和HinDIII双酶切后,与RP27终止子相连;重组载体转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。验证连接RP27终止子正确的载体用EcoRI和SalI酶切后,再与SOD1启动子相连;重组载体转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。将获得的验证正确的载体命名为pKD8(如附图4所示)。
(4)GFP蛋白重组表达载体pKD8-GFP的构建过程:
利用GFP的PCR引物从pGFP经PCR获得GFP基因片段,
上游引物g1:5‘-AAcccgggATGGTGAGCAAGGGCGAGGAG-3’
下游引物g2:5‘-AATCTAGACTTGTACAGCTCGTCCATGCCG-3’
克隆到pGEM-T EASY载体,转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。重组载体然后用SmaII和XbaI酶切,GFP基因片段插入表达载体pKD6的SmaII和XbaI位点;转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。将获得的验证正确的载体命名为pKD8-GFP。(如附图5所示)。
(5)红色荧光蛋白重组表达载体pKD8-DsRED的构建过程:
利用DsRED的PCR引物从pDsRED2经PCR获得DsRED基因片段,
上游引物h1:5‘-AAcccgggATGGCCTCCTCCGAGAACGTCATC-3’
下游引物h2:5‘-AATCTAGACAGGAACAGGTGGTGGCG-3’
克隆到pGEM-T EASY载体,转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。重组载体然后用SmaII和XbaI酶切,DsRED基因片段插入表达载体pKD8的SmaII和XbaI位点;转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。将获得的验证正确的载体命名为pKD8-RED(如附图6所示)。
实施例4SOD1启动子驱动DsRED在稻瘟病菌菌丝中的强表达
ATMT法转化pKD6-RED载体到稻瘟病菌:将载体pKD6-RED通过冻融法转化到农杆菌菌株AGL1。然后ATMT法转化稻瘟病菌萌发孢子中:从新鲜培养的LB平板(含50mg/ml卡那霉素)上挑选一农杆菌单菌落接种于5ml LB液体培养基(含50mg/ml卡那霉素),200rpm/min,28℃过夜培养;第二天将200-400μl培养液转移到5ml含50mg/ml卡那霉素的诱导液体培养基(IM)中,OD值约0.15,28℃培养5~6个小时使OD600达到0.5~0.6;稻瘟病菌分生孢子的收集:用10ml灭菌蒸馏水从培养大约10天的CM平板上洗下稻瘟病菌的分生孢子,三层擦镜纸过滤后用血球计数板计数,并用无菌水稀释孢子浓度为106个/ml;取100μl培养好的农杆菌AGL-1(含载体)菌液和100μl稀释好的稻瘟病菌分生孢子悬浮液混合,混合液(200μl)均匀涂于IM平板上的硝酸纤维素膜表面,IM平板含200μmol/L乙酰丁香酮(AS)或不含AS作为对照,22℃共培养48小时;然后将硝酸纤维素膜转移到含真菌抗生素(磺胺嘧啶)与抗生素的选择平板(DCM)上,选择性培养基中含100μg/ml磺胺嘧啶、400mg/ml头孢霉素、60mg/ml链霉素,将平皿置于28℃下培养到转化子出现;将转化子接种到含100μg/ml磺胺嘧啶DCM平板上再次鉴定。挑取具有磺胺嘧啶(SUR)抗性的转化子在荧光显微镜下检测。结果表明SOD1启动子驱动RED荧光蛋白在稻瘟病菌菌丝细胞质中的强烈表达,见图7。
转pKD6-RED稻瘟病菌的转化子在CM培养基平板上培养12天,洗取稻瘟病菌孢子,稀释至孢子浓度为1×105个/ml。孢子液20μl一滴点接种于附着胞诱导表面上,28℃诱导培养28-24小时,Trizol法提取RNA。DNase I处理RNA,然后RNA逆转录成cDNA,用Real Time定量PCR检测SOD1启动子驱动的DsRED基因的表达量,以β-tubulin的表达量最为对照。
DsRED的Real Time qPCR的引物为:
上游引物i1:5’-AAGGCCCTGAAGCTGAAG-3’
下游引物i2:5’-GATGGTGTAGTCCTCGTTGTG-3’;
β-tubulin的Real Time qPCR的引物为:
上游引物j1:5’-TCCCATCAACATCAGAATCCG-3’
下游引物j2:5’-GTTGTAAACTCCATTGCTGTCG-3’。
Real Time定量PCR结果显示SOD1驱动的DsRED的基因表达量是β-tubulin的18倍。
实施例4GAPDH蛋白在稻瘟病菌细胞内的亚细胞定位
荧光融合蛋白载体的构建:根据GAPDH的cDNA序列设计合成PCR引物
上游引物k1:5’-TAggatccATGGTCAAGTGTGGTATC-3’
下游引物k2:5’-TAcccgggCTTGCCACCGTCAACCTT-3’
PCR扩增包含整个基因编码区在内的GAPDH基因cDNA,然后克隆到pGEM-T EASY载体,转化大肠杆菌感受态细胞DH5α,挑取胺苄平板上长出的菌落进行培养,提取质粒、酶切鉴定。重组载体然后用SmaI和XbaI酶切,GAPDH基因片段插入pKD6-GFP载体的BamHI和SmaI位点。
ATMT法将荧光融合蛋白载体转化到丝状真菌。挑取具有磺胺嘧啶(SUR)抗性的转化子在荧光显微镜下观察GAPDH-GFP融合蛋白在稻瘟病菌细胞中的分布。利用pKD6-GFP载体构建的GAPDH-GFP融合蛋白在稻瘟病菌中的表达结果表明:如附图8所示,GAPDH蛋白定位于细胞质中。
Claims (9)
1.一种丝状真菌启动子,其特征在于:所述的丝状真菌启动子或它的互补链具有SEQ ID NO.1所示的碱基序列。
2.一种包含权利要求1所述的丝状真菌启动子的质粒。
3.一种丝状真菌终止子,其特征在于:所述的丝状真菌终止子或它的互补链具有SEQ ID NO.2所示的碱基序列。
4.一种包含权利要求3所述的丝状真菌终止子的质粒。
5.一种包含权利要求1所述丝状真菌启动子和权利要求3所述丝状真菌终止子的质粒。
6.根据权利要求5所述的质粒,其特征在于,包含抗性基因SUR或抗性基因NEO。
7.根据权利要求5所述的质粒,其特征在于,包含GFP蛋白基因或红色荧光蛋白基因。
8.权利要求2、3或5所述的质粒在丝状真菌中表达蛋白、DNA或RNA中应用。
9.一种包含权利要求5~7任一所述质粒的转化子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110027394A CN102154294B (zh) | 2011-01-26 | 2011-01-26 | 丝状真菌启动子、终止子和包含它们的质粒 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110027394A CN102154294B (zh) | 2011-01-26 | 2011-01-26 | 丝状真菌启动子、终止子和包含它们的质粒 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102154294A true CN102154294A (zh) | 2011-08-17 |
CN102154294B CN102154294B (zh) | 2012-10-03 |
Family
ID=44435966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110027394A Expired - Fee Related CN102154294B (zh) | 2011-01-26 | 2011-01-26 | 丝状真菌启动子、终止子和包含它们的质粒 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102154294B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102559678A (zh) * | 2011-12-26 | 2012-07-11 | 浙江大学 | 一种丝状真菌启动子和包含该启动子的质粒 |
CN105087580A (zh) * | 2015-07-13 | 2015-11-25 | 上海交通大学 | 一种调控基因在非分泌型腺毛中表达的启动子及其应用 |
-
2011
- 2011-01-26 CN CN201110027394A patent/CN102154294B/zh not_active Expired - Fee Related
Non-Patent Citations (3)
Title |
---|
《GenBank, AC127427.2》 20040320 Thon Magnaporthe grisea chromosome 7 clone 18M04, *** SEQUENCING IN PROGRESS ***, 3 ordered pieces 全文 1-9 , * |
《广西农业生物科学》 20060331 杨诺等 两株抗苯菌灵稻瘟病菌突变体的若干特性 中国期刊全文数据库 全文 1-9 第25卷, 第1期 * |
《科学通报》 20060930 梁慎 等 T-DNA 插入稻瘟病菌Ggamma 亚基基因启动子的突变体A1-412 丧失形成附着胞、穿透和致病能力 中国期刊全文数据库 全文 1-9 第51卷, 第17期 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102559678A (zh) * | 2011-12-26 | 2012-07-11 | 浙江大学 | 一种丝状真菌启动子和包含该启动子的质粒 |
CN105087580A (zh) * | 2015-07-13 | 2015-11-25 | 上海交通大学 | 一种调控基因在非分泌型腺毛中表达的启动子及其应用 |
CN105087580B (zh) * | 2015-07-13 | 2017-12-01 | 上海交通大学 | 一种调控基因在非分泌型腺毛中表达的启动子及其应用 |
Also Published As
Publication number | Publication date |
---|---|
CN102154294B (zh) | 2012-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Wyrebek et al. | Three sympatrically occurring species of Metarhizium show plant rhizosphere specificity | |
Zhang et al. | Investigation on the infection mechanism of the fungus Clonostachys rosea against nematodes using the green fluorescent protein | |
Li et al. | Transformation of Coniothyrium minitans, a parasite of Sclerotinia sclerotiorum, with Agrobacterium tumefaciens | |
Lübeck et al. | GUS and GFP transformation of the biocontrol strain Clonostachys rosea IK726 and the use of these marker genes in ecological studies | |
Sun et al. | Transformation of the endochitinase gene Chi67-1 in Clonostachys rosea 67-1 increases its biocontrol activity against Sclerotinia sclerotiorum | |
Xie et al. | Biology of Colletotrichum horii, the causal agent of persimmon anthracnose | |
Bharti et al. | Host-induced silencing of pathogenicity genes enhances resistance to Fusarium oxysporum wilt in tomato | |
Ford et al. | A native promoter and inclusion of an intron is necessary for efficient expression of GFP or mRFP in Armillaria mellea | |
AU2021102206A4 (en) | Trichoderma viride histone acetylase encoding gene TvGCN5 and use thereof | |
Govender et al. | Detection of oil palm root penetration by Agrobacterium-mediated transformed Ganoderma boninense, expressing green fluorescent protein | |
Wen et al. | Microbe-induced gene silencing boosts crop protection against soil-borne fungal pathogens | |
Nischitha et al. | Influence of seasons on endophytic fungal assemblage in Alloteropsis cimicina (L.) Stapf. and Heteropogon contortus (L.) P. Beauv. of the sub-family panicoideae | |
Deb et al. | Endophytic Beauveria bassiana can protect the rice plant from sheath blight of rice caused by Rhizoctonia solani and enhance plant growth parameters | |
CN102154127B (zh) | 具高肠毒杀虫活性的转基因生防真菌及其构建法和用途 | |
CN104212831B (zh) | 一种包括有疫霉诱导性基因启动子的重组表达载体及应用 | |
CN102154294B (zh) | 丝状真菌启动子、终止子和包含它们的质粒 | |
CN103834681B (zh) | 一种农杆菌介导遗传转化稻曲菌的方法 | |
Liu et al. | Agrobacterium tumefaciens-mediated transformation: An efficient tool for insertional mutagenesis and targeted gene disruption in Harpophora oryzae | |
Long et al. | Highly efficient transformation of a (hemi-) cellulases-producing fungus Eupenicillium parvum 4–14 by Agrobacterium tumefaciens | |
Yuan et al. | Agrobacterium tumefaciens-mediated transformation of Coniella granati | |
Wang et al. | Development of Cordyceps javanica BE01 with enhanced virulence against Hyphantria cunea using polyethylene glycol-mediated protoplast transformation | |
Jiang et al. | Pectate lyase genes abundantly expressed during the infection regulate morphological development of Colletotrichum camelliae and CcPEL16 is required for full virulence to tea plants | |
CN102229931B (zh) | 一种病原丝状真菌特异性启动子及其应用 | |
CN102559678B (zh) | 一种丝状真菌启动子和包含该启动子的质粒 | |
Gu et al. | ATMT transformation efficiencies with native promoters in Botryosphaeria kuwatsukai causing ring rot disease in pear |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20150126 |
|
EXPY | Termination of patent right or utility model |