CN113430120A - 赤霉素代谢调节物的应用 - Google Patents
赤霉素代谢调节物的应用 Download PDFInfo
- Publication number
- CN113430120A CN113430120A CN202110592922.6A CN202110592922A CN113430120A CN 113430120 A CN113430120 A CN 113430120A CN 202110592922 A CN202110592922 A CN 202110592922A CN 113430120 A CN113430120 A CN 113430120A
- Authority
- CN
- China
- Prior art keywords
- gibberellin
- algae
- metabolism
- key enzyme
- gene
- 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.)
- Pending
Links
- 229930191978 Gibberellin Natural products 0.000 title claims abstract description 134
- 239000003448 gibberellin Substances 0.000 title claims abstract description 134
- IXORZMNAPKEEDV-UHFFFAOYSA-N gibberellic acid GA3 Natural products OC(=O)C1C2(C3)CC(=C)C3(O)CCC2C2(C=CC3O)C1C3(C)C(=O)O2 IXORZMNAPKEEDV-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 230000004060 metabolic process Effects 0.000 title claims abstract description 44
- 241000195493 Cryptophyta Species 0.000 claims abstract description 60
- 230000012010 growth Effects 0.000 claims abstract description 31
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 24
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 24
- 239000003112 inhibitor Substances 0.000 claims abstract description 18
- 238000009825 accumulation Methods 0.000 claims abstract description 15
- 229930000044 secondary metabolite Natural products 0.000 claims abstract description 10
- 108090000790 Enzymes Proteins 0.000 claims description 54
- 108090000623 proteins and genes Proteins 0.000 claims description 46
- 102000004190 Enzymes Human genes 0.000 claims description 42
- 230000019491 signal transduction Effects 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 26
- 230000037353 metabolic pathway Effects 0.000 claims description 22
- 102000004169 proteins and genes Human genes 0.000 claims description 20
- 230000014509 gene expression Effects 0.000 claims description 18
- 230000008054 signal transmission Effects 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000013604 expression vector Substances 0.000 claims description 8
- 230000011664 signaling Effects 0.000 claims description 8
- 230000037361 pathway Effects 0.000 claims description 7
- 108090000854 Oxidoreductases Proteins 0.000 claims description 6
- 102000004316 Oxidoreductases Human genes 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 6
- 230000007180 physiological regulation Effects 0.000 claims description 6
- 238000013518 transcription Methods 0.000 claims description 6
- 230000035897 transcription Effects 0.000 claims description 6
- RMOGWMIKYWRTKW-UONOGXRCSA-N (S,S)-paclobutrazol Chemical compound C([C@@H]([C@@H](O)C(C)(C)C)N1N=CN=C1)C1=CC=C(Cl)C=C1 RMOGWMIKYWRTKW-UONOGXRCSA-N 0.000 claims description 5
- PWVXXGRKLHYWKM-UHFFFAOYSA-N 5-[2-(benzenesulfonyl)ethyl]-3-[(1-methylpyrrolidin-2-yl)methyl]-1h-indole Chemical compound CN1CCCC1CC(C1=C2)=CNC1=CC=C2CCS(=O)(=O)C1=CC=CC=C1 PWVXXGRKLHYWKM-UHFFFAOYSA-N 0.000 claims description 5
- 241000195628 Chlorophyta Species 0.000 claims description 5
- 241000195620 Euglena Species 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- 239000005985 Paclobutrazol Substances 0.000 claims description 5
- 241000199919 Phaeophyceae Species 0.000 claims description 5
- 230000001737 promoting effect Effects 0.000 claims description 5
- ONVABDHFQKWOSV-UHFFFAOYSA-N 16-Phyllocladene Natural products C1CC(C2)C(=C)CC32CCC2C(C)(C)CCCC2(C)C31 ONVABDHFQKWOSV-UHFFFAOYSA-N 0.000 claims description 4
- 108010066805 F-Box Proteins Proteins 0.000 claims description 4
- 102000018700 F-Box Proteins Human genes 0.000 claims description 4
- 101001066099 Phaseolus coccineus Gibberellin 2-beta-dioxygenase Proteins 0.000 claims description 4
- 241000206572 Rhodophyta Species 0.000 claims description 4
- 230000005791 algae growth Effects 0.000 claims description 4
- 239000003623 enhancer Substances 0.000 claims description 4
- ONVABDHFQKWOSV-YQXATGRUSA-N ent-Kaur-16-ene Natural products C1C[C@@H](C2)C(=C)C[C@@]32CC[C@@H]2C(C)(C)CCC[C@@]2(C)[C@@H]31 ONVABDHFQKWOSV-YQXATGRUSA-N 0.000 claims description 4
- ONVABDHFQKWOSV-HPUSYDDDSA-N ent-kaur-16-ene Chemical compound C1C[C@H](C2)C(=C)C[C@@]32CC[C@@H]2C(C)(C)CCC[C@@]2(C)[C@@H]31 ONVABDHFQKWOSV-HPUSYDDDSA-N 0.000 claims description 4
- UIXMIBNGPQGJJJ-UHFFFAOYSA-N ent-kaurene Natural products CC1CC23CCC4C(CCCC4(C)C)C2CCC1C3 UIXMIBNGPQGJJJ-UHFFFAOYSA-N 0.000 claims description 4
- 108010005083 gibberellin 3beta-hydroxylase Proteins 0.000 claims description 4
- 239000000411 inducer Substances 0.000 claims description 4
- 108020004707 nucleic acids Proteins 0.000 claims description 4
- 102000039446 nucleic acids Human genes 0.000 claims description 4
- 150000007523 nucleic acids Chemical class 0.000 claims description 4
- 108700004756 oxidizing) 2-oxoglutarate-oxygen oxidoreductase (20-hydroxylating gibberellin Proteins 0.000 claims description 4
- 239000013603 viral vector Substances 0.000 claims description 4
- 101000864257 Hordeum vulgare DELLA protein SLN1 Proteins 0.000 claims description 3
- OVRNDRQMDRJTHS-UHFFFAOYSA-N N-acelyl-D-glucosamine Natural products CC(=O)NC1C(O)OC(CO)C(O)C1O OVRNDRQMDRJTHS-UHFFFAOYSA-N 0.000 claims description 3
- MBLBDJOUHNCFQT-LXGUWJNJSA-N N-acetylglucosamine Natural products CC(=O)N[C@@H](C=O)[C@@H](O)[C@H](O)[C@H](O)CO MBLBDJOUHNCFQT-LXGUWJNJSA-N 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 102000055027 Protein Methyltransferases Human genes 0.000 claims description 3
- 108700040121 Protein Methyltransferases Proteins 0.000 claims description 3
- 102000004357 Transferases Human genes 0.000 claims description 3
- 108090000992 Transferases Proteins 0.000 claims description 3
- 108091006104 gene-regulatory proteins Proteins 0.000 claims description 3
- 102000034356 gene-regulatory proteins Human genes 0.000 claims description 3
- 108091005678 gibberellin receptors Proteins 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 230000002503 metabolic effect Effects 0.000 claims description 3
- 229950006780 n-acetylglucosamine Drugs 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 108091006024 signal transducing proteins Proteins 0.000 claims description 3
- 102000034285 signal transducing proteins Human genes 0.000 claims description 3
- ZJIPHXXDPROMEF-UHFFFAOYSA-N dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O ZJIPHXXDPROMEF-UHFFFAOYSA-N 0.000 claims description 2
- NIKHGUQULKYIGE-UHFFFAOYSA-N kaurenoic acid Natural products C1CC2(CC3=C)CC3CCC2C2(C)C1C(C)(C(O)=O)CCC2 NIKHGUQULKYIGE-UHFFFAOYSA-N 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 235000021110 pickles Nutrition 0.000 claims description 2
- 239000003966 growth inhibitor Substances 0.000 claims 1
- 230000033228 biological regulation Effects 0.000 abstract description 20
- 230000035790 physiological processes and functions Effects 0.000 abstract description 6
- 238000011160 research Methods 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 17
- 241000224474 Nannochloropsis Species 0.000 description 11
- YBJHBAHKTGYVGT-ZKWXMUAHSA-N (+)-Biotin Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)O)SC[C@@H]21 YBJHBAHKTGYVGT-ZKWXMUAHSA-N 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- IXORZMNAPKEEDV-OBDJNFEBSA-N gibberellin A3 Chemical compound C([C@@]1(O)C(=C)C[C@@]2(C1)[C@H]1C(O)=O)C[C@H]2[C@]2(C=C[C@@H]3O)[C@H]1[C@]3(C)C(=O)O2 IXORZMNAPKEEDV-OBDJNFEBSA-N 0.000 description 8
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 8
- 230000035508 accumulation Effects 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 241001300629 Nannochloropsis oceanica Species 0.000 description 6
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 6
- 241000894007 species Species 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000013535 sea water Substances 0.000 description 5
- 235000002639 sodium chloride Nutrition 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 229960002685 biotin Drugs 0.000 description 4
- 235000020958 biotin Nutrition 0.000 description 4
- 239000011616 biotin Substances 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 239000001963 growth medium Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 230000002194 synthesizing effect Effects 0.000 description 4
- DPJRMOMPQZCRJU-UHFFFAOYSA-M thiamine hydrochloride Chemical compound Cl.[Cl-].CC1=C(CCO)SC=[N+]1CC1=CN=C(C)N=C1N DPJRMOMPQZCRJU-UHFFFAOYSA-M 0.000 description 4
- 229940088594 vitamin Drugs 0.000 description 4
- 229930003231 vitamin Natural products 0.000 description 4
- 235000013343 vitamin Nutrition 0.000 description 4
- 239000011782 vitamin Substances 0.000 description 4
- 150000003722 vitamin derivatives Chemical class 0.000 description 4
- 108091032973 (ribonucleotides)n+m Proteins 0.000 description 3
- 108010078791 Carrier Proteins Proteins 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- 108010070742 Guanidinoacetate N-Methyltransferase Proteins 0.000 description 3
- 102000005756 Guanidinoacetate N-methyltransferase Human genes 0.000 description 3
- 241000159660 Nannochloropsis oculata Species 0.000 description 3
- 229930003779 Vitamin B12 Natural products 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 3
- AGVAZMGAQJOSFJ-WZHZPDAFSA-M cobalt(2+);[(2r,3s,4r,5s)-5-(5,6-dimethylbenzimidazol-1-yl)-4-hydroxy-2-(hydroxymethyl)oxolan-3-yl] [(2r)-1-[3-[(1r,2r,3r,4z,7s,9z,12s,13s,14z,17s,18s,19r)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-2 Chemical compound [Co+2].N#[C-].[N-]([C@@H]1[C@H](CC(N)=O)[C@@]2(C)CCC(=O)NC[C@@H](C)OP(O)(=O)O[C@H]3[C@H]([C@H](O[C@@H]3CO)N3C4=CC(C)=C(C)C=C4N=C3)O)\C2=C(C)/C([C@H](C\2(C)C)CCC(N)=O)=N/C/2=C\C([C@H]([C@@]/2(CC(N)=O)C)CCC(N)=O)=N\C\2=C(C)/C2=N[C@]1(C)[C@@](C)(CC(N)=O)[C@@H]2CCC(N)=O AGVAZMGAQJOSFJ-WZHZPDAFSA-M 0.000 description 3
- 230000021615 conjugation Effects 0.000 description 3
- JZCCFEFSEZPSOG-UHFFFAOYSA-L copper(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Cu+2].[O-]S([O-])(=O)=O JZCCFEFSEZPSOG-UHFFFAOYSA-L 0.000 description 3
- 230000003828 downregulation Effects 0.000 description 3
- 229940044631 ferric chloride hexahydrate Drugs 0.000 description 3
- 238000010353 genetic engineering Methods 0.000 description 3
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- CNFDGXZLMLFIJV-UHFFFAOYSA-L manganese(II) chloride tetrahydrate Chemical compound O.O.O.O.[Cl-].[Cl-].[Mn+2] CNFDGXZLMLFIJV-UHFFFAOYSA-L 0.000 description 3
- 108020004999 messenger RNA Proteins 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000000243 photosynthetic effect Effects 0.000 description 3
- 230000001766 physiological effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 3
- 229960000999 sodium citrate dihydrate Drugs 0.000 description 3
- 239000004317 sodium nitrate Substances 0.000 description 3
- 235000010344 sodium nitrate Nutrition 0.000 description 3
- RWVGQQGBQSJDQV-UHFFFAOYSA-M sodium;3-[[4-[(e)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-n-ethyl-3-methylanilino]methyl]benzenesulfonate Chemical compound [Na+].C1=CC(OCC)=CC=C1NC1=CC=C(C(=C2C(=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C)C=2C(=CC(=CC=2)N(CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C)C=C1 RWVGQQGBQSJDQV-UHFFFAOYSA-M 0.000 description 3
- 229960000344 thiamine hydrochloride Drugs 0.000 description 3
- 235000019190 thiamine hydrochloride Nutrition 0.000 description 3
- 239000011747 thiamine hydrochloride Substances 0.000 description 3
- 239000011573 trace mineral Substances 0.000 description 3
- 235000013619 trace mineral Nutrition 0.000 description 3
- 230000003827 upregulation Effects 0.000 description 3
- 239000011715 vitamin B12 Substances 0.000 description 3
- 235000019163 vitamin B12 Nutrition 0.000 description 3
- RZLVQBNCHSJZPX-UHFFFAOYSA-L zinc sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Zn+2].[O-]S([O-])(=O)=O RZLVQBNCHSJZPX-UHFFFAOYSA-L 0.000 description 3
- 241000206761 Bacillariophyta Species 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 2
- 241000195597 Chlamydomonas reinhardtii Species 0.000 description 2
- 241000497271 Chlorella variabilis Species 0.000 description 2
- 241001221668 Ostreococcus tauri Species 0.000 description 2
- 241000378279 Parvimonas sp. Species 0.000 description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 235000013339 cereals Nutrition 0.000 description 2
- 238000003889 chemical engineering Methods 0.000 description 2
- 239000002299 complementary DNA Substances 0.000 description 2
- 238000012258 culturing Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000009396 hybridization Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000006372 lipid accumulation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000035479 physiological effects, processes and functions Effects 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 238000012372 quality testing Methods 0.000 description 2
- 108020003175 receptors Proteins 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- BBMHARZCALWXSL-UHFFFAOYSA-M sodium dihydrogenphosphate monohydrate Chemical compound O.[Na+].OP(O)([O-])=O BBMHARZCALWXSL-UHFFFAOYSA-M 0.000 description 2
- RMOGWMIKYWRTKW-UHFFFAOYSA-N 1-(4-chlorophenyl)-4,4-dimethyl-2-(1H-1,2,4-triazol-1-yl)pentan-3-ol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)CC1=CC=C(Cl)C=C1 RMOGWMIKYWRTKW-UHFFFAOYSA-N 0.000 description 1
- 101100454193 Arabidopsis thaliana AAA1 gene Proteins 0.000 description 1
- 101100396142 Arabidopsis thaliana IAA14 gene Proteins 0.000 description 1
- 101100073340 Arabidopsis thaliana KAO2 gene Proteins 0.000 description 1
- 101100477846 Arabidopsis thaliana SNE gene Proteins 0.000 description 1
- 241001428410 Caloglossa Species 0.000 description 1
- 241000195649 Chlorella <Chlorellales> Species 0.000 description 1
- 244000249214 Chlorella pyrenoidosa Species 0.000 description 1
- 235000007091 Chlorella pyrenoidosa Nutrition 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 241000206751 Chrysophyceae Species 0.000 description 1
- 241001216636 Coccomyxa subellipsoidea C-169 Species 0.000 description 1
- 241000190106 Cyanidioschyzon merolae Species 0.000 description 1
- 241001389925 Digenea <Rhodophyta> Species 0.000 description 1
- 241000199914 Dinophyceae Species 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 1
- 241001512723 Ecklonia Species 0.000 description 1
- 241000206602 Eukaryota Species 0.000 description 1
- 241001105021 Fragilariopsis cylindrus Species 0.000 description 1
- 241000206671 Gelidium amansii Species 0.000 description 1
- 241000142861 Gloiopeltis furcata Species 0.000 description 1
- 241000168517 Haematococcus lacustris Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 101100293260 Homo sapiens NAA15 gene Proteins 0.000 description 1
- 101000709121 Homo sapiens Ral guanine nucleotide dissociation stimulator-like 1 Proteins 0.000 description 1
- 101000709135 Homo sapiens Ral guanine nucleotide dissociation stimulator-like 2 Proteins 0.000 description 1
- 101000709129 Homo sapiens Ral guanine nucleotide dissociation stimulator-like 3 Proteins 0.000 description 1
- 101000716758 Homo sapiens Sec1 family domain-containing protein 1 Proteins 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- 101150083132 KAO1 gene Proteins 0.000 description 1
- 102000003960 Ligases Human genes 0.000 description 1
- 108090000364 Ligases Proteins 0.000 description 1
- 229910021380 Manganese Chloride Inorganic materials 0.000 description 1
- GLFNIEUTAYBVOC-UHFFFAOYSA-L Manganese chloride Chemical compound Cl[Mn]Cl GLFNIEUTAYBVOC-UHFFFAOYSA-L 0.000 description 1
- 241000196322 Marchantia Species 0.000 description 1
- 102100026781 N-alpha-acetyltransferase 15, NatA auxiliary subunit Human genes 0.000 description 1
- 229910018890 NaMoO4 Inorganic materials 0.000 description 1
- 101100121112 Oryza sativa subsp. indica 20ox2 gene Proteins 0.000 description 1
- 101100004834 Oryza sativa subsp. japonica CYP714D1 gene Proteins 0.000 description 1
- 101100121113 Oryza sativa subsp. japonica GA20OX2 gene Proteins 0.000 description 1
- 241000212297 Pelvetia Species 0.000 description 1
- 241000206744 Phaeodactylum tricornutum Species 0.000 description 1
- 241001494715 Porphyridium purpureum Species 0.000 description 1
- 102100032665 Ral guanine nucleotide dissociation stimulator-like 1 Human genes 0.000 description 1
- 102100032786 Ral guanine nucleotide dissociation stimulator-like 2 Human genes 0.000 description 1
- 102100032784 Ral guanine nucleotide dissociation stimulator-like 3 Human genes 0.000 description 1
- 101150020516 SLN1 gene Proteins 0.000 description 1
- 101150110992 SLR1 gene Proteins 0.000 description 1
- 101100365175 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SEC22 gene Proteins 0.000 description 1
- 102100020874 Sec1 family domain-containing protein 1 Human genes 0.000 description 1
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 1
- 101001094026 Synechocystis sp. (strain PCC 6803 / Kazusa) Phasin PhaP Proteins 0.000 description 1
- 241001261505 Undaria Species 0.000 description 1
- 241000195615 Volvox Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000010933 acylation Effects 0.000 description 1
- 238000005917 acylation reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009418 agronomic effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003124 biologic agent Substances 0.000 description 1
- 229910052927 chalcanthite Inorganic materials 0.000 description 1
- 239000013000 chemical inhibitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 108010067758 ent-kaurene oxidase Proteins 0.000 description 1
- 108010064739 ent-kaurene synthetase B Proteins 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 241001233957 eudicotyledons Species 0.000 description 1
- 239000003889 eye drop Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000013595 glycosylation Effects 0.000 description 1
- 238000006206 glycosylation reaction Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012165 high-throughput sequencing Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000011565 manganese chloride Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012269 metabolic engineering Methods 0.000 description 1
- 230000006679 metabolic signaling pathway Effects 0.000 description 1
- 238000002705 metabolomic analysis Methods 0.000 description 1
- 230000001431 metabolomic effect Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000003375 plant hormone Substances 0.000 description 1
- 230000037039 plant physiology Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
- 230000003938 response to stress Effects 0.000 description 1
- 238000010839 reverse transcription Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229960003495 thiamine Drugs 0.000 description 1
- 229910021654 trace metal Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/12—Unicellular algae; Culture media therefor
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Genetics & Genomics (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- Plant Pathology (AREA)
- Biophysics (AREA)
- Physics & Mathematics (AREA)
- Botany (AREA)
- Cell Biology (AREA)
- Tropical Medicine & Parasitology (AREA)
- Virology (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
本发明涉及生物技术领域,尤其涉及赤霉素代谢调节物的应用。本发明通过研究发现,外源给予赤霉素或通过给予赤霉素代谢调节物可以对藻类生理过程产生影响,包括调节藻类生长、调节藻类次生代谢产物积累或调节藻类的抗逆性等。实验表明,外源给予赤霉素合成抑制剂能够抑制藻类生长,而给予赤霉素则可以促进藻类生长。
Description
技术领域
本发明涉及生物技术领域,尤其涉及赤霉素代谢调节物的应用。
背景技术
微藻吸收太阳能、捕获二氧化碳,合成各种高值化学品,在环境、农业和水产养殖领域有着广泛的应用前景。海洋微藻可以在海岸带滩涂、盐碱地养殖,不利用淡水、不与粮争地,具备工业化推广的可能。但其经济可行性仍面临着巨大挑战,主要的技术瓶颈包括微藻生长密度低、抗逆性能差和含油量低等。已有的调控微藻生长和抗逆的方法过程复杂、成本高。因此,亟待开发一种新型的微藻生长的调节方法。
赤霉素(gibberellin,GA)是一种应用于农业生产,可刺激叶和芽的生长,提高产量的植物激素。19世纪末期,通过外源使用赤霉素,提高作物的生长速率和抗逆性能,从而提高了作物产量,最终解决了粮食危机。
但此前,关于赤霉素与藻类生命活动的关联尚未探明,也不明确藻类的赤霉素合成路径与高等植物是否存在异同。因此,赤霉素调控物是否可以应用于藻类,特别是微藻工业化生产中,仍待进一步研究。
发明内容
有鉴于此,本发明要解决的技术问题在于提供赤霉素代谢调节物的应用,所述的赤霉素代谢调节物包括,提高赤霉素水平或降低赤霉素水平的物质。
本发明提供了赤霉素或其代谢调节物在藻类生理调节中的应用。
本发明中,所述赤霉素代谢调节物包括如下i)~vi)中的至少一种:
i)、赤霉素代谢或信号传递通路中的关键酶;
ii)、编码i)所述关键酶的基因;
iii)、包含ii)所述基因的表达载体;
iv)、增强ii)所述基因表达的启动子或增强子;
v)、促进ii)所述基因表达的诱导剂;
vi)、提高i)所述关键酶活性的制剂。
i)~vi)中所述赤霉素代谢调节物对藻类生理调节包括:促进藻类生长,提高藻类次生代谢产物积累或提高藻类抗逆性。
本发明中,所述赤霉素代谢调节物包括如下I)~VI)中的至少一种:
I)、敲除或敲低赤霉素代谢或信号传递通路中的关键酶基因的表达载体;
II)、含有I)的宿主细胞或病毒载体;
III)、干扰赤霉素代谢或信号传递通路中的关键酶基因转录的核酸分子;
IV)、赤霉素代谢或信号传递通路中的关键酶基因表达的终止子或转座子;
V)、抑制赤霉素代谢或信号传递通路中的关键酶基因表达的制剂;
VI)、赤霉素代谢或信号传递通路中的关键酶活性抑制剂。
一些实施例中,所述赤霉素代谢调节物为赤霉素合成抑制剂,包括:矮壮素或多效唑。
本发明中,I)~VI)中所述赤霉素代谢调节物对藻类生理调节包括:抑制藻类生长,降低藻类次生代谢产物积累或降低藻类抗逆性。
本发明中,所述赤霉素代谢或信号传递通路中的关键酶包括:
赤霉素合成酶,包括:ent-copalyl diphosphate synthase、ent-kaurenesynthase、ent-kaurenoic oxidase、GAI-RGA like gibberellin response modulator、ent-kaurenoic acid oxidase、ent-kaurenoic acid oxidase、GA 20-oxidase或GA 3-oxidase;
赤霉素降解酶,包括:GA 2-oxidase、gibberellin 16α或17-epoxidase;
赤霉素甲基化酶,包括:GA methyltransferase。
赤霉素信号传递与调控蛋白,包括:赤霉素受体或GA Insensitive Dwarf 1;
其它信号传递和调控相关的蛋白,包括:N-acetyl glucosamine transferase、F-box protein、F-box protein、GA Insensitive、Repressor of GA、RGA-LIKE1、RGA-LIKE2、RGA-LIKE3、SLENDER RICE 1、Slender protein 1、MADS-box protein、CHD3-typechromatin-remodeling factor PICKLE或Katanin p60 ATPase-containing subunit。
本发明中,所述藻类包括:绿藻、红藻、硅藻、褐藻或真眼点藻。
本发明还提供了一种促进藻类生长,提高藻类次生代谢产物积累或提高藻类抗逆性的方法,其包括:外源给予赤霉素或利用如下i)~vi)中的至少一种赤霉素代谢调节物使藻类内源赤霉素水平提高:
i)、赤霉素代谢或信号传递通路中的关键酶;
ii)、编码i)所述关键酶的基因;
iii)、包含ii)所述基因的表达载体;
iv)、增强ii)所述基因表达的启动子或增强子;
v)、促进ii)所述基因表达的诱导剂;
vi)、提高i)所述关键酶活性的制剂。
本发明还提供了一种抑制藻类生长,降低藻类次生代谢产物积累或降低藻类抗逆性,其包括:利用如下I)~VI)中的至少一种赤霉素代谢调节物使藻类内源赤霉素水平降低:
I)、敲除或敲低赤霉素代谢或信号传递通路中的关键酶基因的表达载体;
II)、含有I)的宿主细胞或病毒载体;
III)、干扰赤霉素代谢或信号传递通路中的关键酶基因转录的核酸分子;
IV)、赤霉素代谢或信号传递通路中的关键酶基因表达的终止子或转座子;
V)、抑制赤霉素代谢或信号传递通路中的关键酶基因表达的制剂;
VI)、赤霉素代谢或信号传递通路中的关键酶活性抑制剂。
本发明通过研究发现,外源给予赤霉素或通过给予赤霉素代谢调节物可以对藻类生理过程产生影响,包括调节藻类生长、调节藻类次生代谢产物积累或调节藻类的抗逆性等。实验表明,外源给予赤霉素合成抑制剂能够抑制藻类生长,而给予赤霉素则可以促进藻类生长。
附图说明
图1.光合真核生物中赤霉素代谢和信号通路。黑色表示e-value≥1e-10;红色表示e-value≤1e-50。缩写:S,synthesis;D,degradation;C,conjugation;T,transporter;R,receptors;SC,signaling components.Cm,红藻C.merolae;Pt,硅藻P.tricornutum;Tp,硅藻T.pseudonana;Fc,硅藻F.cylindrus;No,真眼点藻N.oceanica;Es,褐藻E.siliculosus;Mi,绿藻Micromonas sp.RCC299;Ot,绿藻O.tauri;Cv,绿藻C.variabilisNC64A;Cp,绿藻C.pyrenoidosa;Cs,绿藻C.subellipsoidea C-169;Cr,绿藻C.reinhardtii;Vc,绿藻V.carteri;Pp,苔藓P.patens;Sm,地钱S.moellendorfii;Zm,单子叶Z.mays和At,双子叶A.thaliana;
图2.微拟球藻缺氮诱导后赤霉素代谢和信号传递和调控相关基因的差异表达谱,红色和绿色分别表示转录水平上调或下调;
图3为本发明实施例提供的赤霉素对微拟球藻生长的影响;
图4为本发明实施例提供的赤霉素合成抑制剂多效唑(Paclobutrazole)对微拟球藻生长的影响;
图5为本发明实施例提供的赤霉素合成抑制剂矮壮素(Chlormequat chloride)对微拟球藻生长的影响。
具体实施方式
本发明提供了赤霉素代谢调节物的应用,本领域技术人员可以借鉴本文内容,适当改进工艺参数实现。特别需要指出的是,所有类似的替换和改动对本领域技术人员来说是显而易见的,它们都被视为包括在本发明。本发明的方法及应用已经通过较佳实施例进行了描述,相关人员明显能在不脱离本发明内容、精神和范围内对本文的方法和应用进行改动或适当变更与组合,来实现和应用本发明技术。
本发明提供了一种提高微藻抗逆性能和提高生长速率、生物质、油脂和高附加值化合物积累能力的方法。其通过功能基因组学手段发现微藻中新型的赤霉素代谢和信号传递通路;通过转录组学手段鉴定在微藻抗逆和油脂合成过程中关键的赤霉素代谢和信号传递相关的基因;通过调控细胞赤霉素水平提高微藻经济性状。
本发明所述的赤霉素包括GA1、GA3、GA4、GA5、GA6、GA7、GA8、GA9、GA12、GA13、GA15、GA19、GA20、GA24、GA29、GA34、GA44、GA51、GA53。
本发明所述的微藻包括绿藻、红藻、硅藻、褐藻、裸藻、甲藻、黄藻、金藻和真眼点藻等所有自养、异养或兼性营养型单细胞或多细胞藻类。
本发明所述的微藻生理过程包括生长、抗逆、油脂合成、高值化合物合成过程。所述的用于鉴定赤霉素代谢及信号传递相关的基因的方法。所述鉴定的方法利用功能基因组学手段的等效手段,包括比较功能基因组学手段、分子生物学手段、蛋白质组学手段、酵母杂交技术、基因工程技术、化学工程技术、细胞学技术等已知或尚待开发的可用于鉴定赤霉素的代谢通路、信号传递通路和调控网络的技术。方法中所述的鉴定赤霉素的代谢通路、信号传递通路和网络调控的关键酶和蛋白的手段包括转录组技术或其等效技术。所述的转录组技术的等效技术包括高通量测序技术、芯片技术、荧光定量技术、分子生物学技术、细胞生物学技术、植物生理学技术、蛋白质组学手段、酵母杂交技术、基因工程技术、化学工程技术等已知或尚待开发的可用于鉴定赤霉素的代谢通路、信号传递通路和网络调控的关键酶和蛋白的技术。
本发明提高赤霉素水平的手段包括外源添加或刺激内源赤霉素产生。例如:基因工程改造其代谢和信号传递通路、化学物理方法诱变其代谢和信号传递通路、外源施加其代谢或信号传递化学抑制剂、外源施加可产生赤霉素的微生物等任何物质。
方法中所述的通过扰动赤霉素代谢或信号传递而改良的性状为微藻的抗逆性能、生长速率或其它可提高其经济价值、降低工业化成本的性状。可提高微藻经济价值、降低工业化成本的性状包括生物质合成、高能量密度物质合成和高附加值化合物合成等。
本发明方法通过鉴定微藻中赤霉素合成和信号通路、参与胁迫响应和油脂积累的关键酶或蛋白。并成功的利用赤霉素调控微藻生长。与现有技术相比,本发明实现了藻类学技术的重点突破,具有如下有益效果:
1)本发明提供用于鉴定微藻赤霉素及其代谢通路和信号通路的方法。利用该方法可以阐释与藻类生理密切相关的赤霉素代谢的酶、信号蛋白和相关调控机理,并用于改良生物[如植物、微生物(如蓝藻、单细胞真核微藻等)]的农艺性状(提高光能吸收和生长速率等)。
2)本发明提供了可用于调控微藻生理的赤霉素的种类和含量。可用于针对性的调控相应赤霉素的代谢和信号通路,改善微藻生理性状。
3)本发明提供了可用于鉴定调控微藻生理过程的赤霉素代谢和信号传递的关键酶和蛋白的方法。可以筛选获得调控特定生理性状的酶或蛋白,针对性的提高微藻特定的生理性状。
4)本发明利用外源施加赤霉素的方法调控微藻生理性状,并能有效提高其生长速率。
5)本发明能通过调控赤霉素代谢或信号通路,提高工程藻经济价值,用于大量生产各种目的蛋白、生物制剂、高附加值化合物、高能量密度化合物。
6)借助本发明技术,可使微藻具备更加优越的规模培养性状,如抗虫性、抗病性、抗盐等。设计与构建结合本发明的针对特定微藻的低成本高光效反应设施,降低规模培养成本。
7)微藻具有光合效率高、繁殖快、环境适应性强的特点,借助本发明,通过调控赤霉素代谢和信号通路,可以进一步提高其光合效率,从而可以有效的固定二氧化碳,降低大气中二氧化碳的浓度。
8)多种微藻基因组序列已经测定,借助本发明可以在微藻中进行功能基因组学研究,进一步发掘赤霉素代谢和信号通路相关的酶和蛋白以及网络调控机理。
9)藻类中发现的新型的赤霉素代谢和信号通路相关的基因可用于改良微藻、作物或其它植物的各种经济性状。
本发明采用的试材皆为普通市售品,皆可于市场购得。下面结合实施例,进一步阐述本发明:
实施例1:藻类赤霉素代谢和调控关键酶或蛋白的鉴定
步骤1.藻种选择:
本发明涉及的藻种包括:
(1)绿藻,如Micromonas sp.RCC299,Ostreococcus tauri,Chlorellavariabilis NC64A,Haematococcus pluvialis,Chlorella pyrenoidosa,Chlorellasubellipsoidea C-169,Chlamydomonas reinhardtii,Volvox carteri等;
(2)红藻,如Cyanidioschyzon merolae,Porphyridium purpureum,Gelidiumamansii,Gloiopeltis furcata,Caloglossa leprieurii,Digenea simples等;
(3)硅藻,如Phaeodactylum tricornutum,Thalassiosira pseudonana,Fragilariopsis cylindrus等;
(4)褐藻,如Pelvetia canaliculata,Ecklonia hornem,Undaria pinnatifida,Ectocarpus siliculosus等;
(5)真眼点藻,如Nannochloropsis oceanica等,但不限于上述藻种。
步骤2.数据收集:
本发明涉及的数据来源包括The Conserved Domain Database(http://www.ncbi.nlm.nih.gov/cdd/),SMART(http://smart.emblheidelberg.de/),DOE JointGenome Institute(http://genome.jgi-psf.org/Phatr2/Phatr2.home.html),Afunctional genomics database for energy microalgae(http://www.bioenergychina.org:8989/)等。
步骤3.藻类赤霉素代谢和调控关键酶或蛋白发掘:
通过比较功能基因组学手段,在藻类基因组中发掘赤霉素代谢和调控关键酶或蛋白。其中用到的软件包括本地化的BLAST软件包、Pfam、CLUSTALW、gBlock、ProtTest和PhyML3.0等。
步骤4.赤霉素相关酶和信号传递与调控:
本发明鉴定的代谢关键酶包括赤霉素合成酶、赤霉素降解酶和赤霉素衍生化酶(糖基化、酰基化等)(图1),其中包括:
赤霉素合成酶,例如:ent-copalyldiphosphate synthase(CPS)、ent-kaurenesynthase(KS)、ent-kaurenoic oxidase(KO)、GAI-RGA like gibberellin responsemodulator(GA4)、ent-kaurenoic acid oxidase(KAO1)、ent-kaurenoic acid oxidase(KAO2)、GA 20-oxidase(GA20ox)、GA 3-oxidase(GA3ox)等;
赤霉素降解酶,例如:GA 2-oxidase(GA2ox)、gibberellin 16α,17-epoxidase(CYP714D1)等。
赤霉素甲基化酶,例如:GA methyltransferase(GAMT)。
赤霉素信号传递与调控蛋白包括赤霉素受体,例如:GA Insensitive Dwarf 1(GID1);
其它信号传递和调控相关的蛋白,例如:N-acetyl glucosamine transferase(SPY)、F-box protein(SLY1)、F-box protein(SLY2)、GA Insensitive(GAI)、Repressorof GA(RGA)、RGA-LIKE1(RGL1)、RGA-LIKE2(RGL2)、RGA-LIKE3(RGL3)、SLENDER RICE 1(SLR1)、Slender protein 1(SLN1)、MADS-box protein(SOC1)、Katanin p60 ATPase-containing subunit(LUE1)、PKL(CHD3-type chromatin-remodeling factor PICKLE)。但不限于上述酶或蛋白。
图1列举的微藻中可能存在的与赤霉素代谢相关的基因;这些基因可用于调控赤霉素的水平,进而影响微藻的生长等性状
实施例2:参与微藻抗逆和油脂积累过程的赤霉素合成、信号传递和调控的关键酶或蛋白的鉴定
步骤1.藻种培养和样品采集以真眼点藻属微拟球藻(Nannochloropsisoceanica)为例。采用优化的F/2海水培养基,配方如下:35g/L海盐,1g/L NaNO3,67mg/LNaH2PO4·H2O,3.65mg/L FeCl3·6H2O,4.37mg/L Na2EDTA·2H2O,trace metal mix(0.0196mg/L CuSO4·5H2O,0.0126mg/L NaMoO4·2H2O,0.044mg/L ZnSO4·7H2O,0.01mg/LCoCl2,0.36mg/L MnCl2·4H2O),and vitamin mix(2.5μg/L VB12,2.5μg/L biotin,0.5μg/L thiamine HCl)。细胞在50μmol photons m-2/s的连续光照下,25℃培养。将培养至对数期(OD750=3.0)的微拟球藻离心收集后,采用灭菌后的海水清洗3遍后,接种于新鲜的无氮和有氮培养液中,于内径3.5cm的光生物反应器培养,并开始计时。于3、4、6、12、24和48小时收集200ml藻细胞,液氮速冻后保存于-80℃,每个时间点取3个生物学重复样本。
步骤2.总RNA提取将冷冻保存的藻液在液氮中充分研磨,采用Trizol(Invitrogen)试剂盒进行中RNA的提取。质检后,用于构建转录组文库。
步骤3.转录文库构建和测序采用Sera-mag Magnetic Oligo(dT)Beads(ThermoScientific)富集mRNA后,用RNA Fragmentation试剂将mRNA随机打断成~250bp的短片段,采用随机引物反转录获得cDNA,并进一步合成双链cDNA。采用NEBNext mRNA Library PrepReagent Set(NEB)的指导手册构建文库。质检后,进行Illumina HiSeq 2000(2X90bp)双端测序。
步骤4.数据质量控制采用Illumina质量控制***和Fast_trimmer进行低质量reads过滤和读长修正。将raw reads上传至NCBI GEO。采用TopHat 2.0.4把经过QC后的reads align到微拟球藻基因组。
步骤5.基因表达丰度分析采用Cufflinks 2.0.2分析,通过归一化处理,得到FPKM(Fragments Per Kilobase of exon model per Million mapped fragments)值。基于FPKM值计算Spearman相关系数,并计算生物学重复间的相关性。满足以下条件之一即被认为是显著差异表达基因:(1)显著性上调:2倍及以上的上升,FDR(False discovery rate)≤5%,FPKM≥10;(2)显著性下调:2倍及以上的下降,FDR≤5%,FPKM≥10;(3)可认为显著性上调:至少2个时间点上出现1.5倍及以上的上升,FDR≤5%,FPKM≥10;(4)可认为显著性下调:至少2个时间点上出现1.5倍及以上的下降,FDR≤5%,FPKM≥10(图2)。结果表明,这些基因与微藻的赤霉素代谢相关,且参与藻类的缺氮胁迫或者油脂合成。
步骤6.鉴定微藻抗逆和油脂积累过程的赤霉素合成、信号传递和调控的关键基因:除实施例1步骤4中列出的基因外,参与微藻抗逆和油脂积累过程的赤霉素合成、信号传递和调控的关键酶或蛋白还包括通过转录组学、蛋白组学、代谢物组学等组学手段或者基因工程、代谢工程、生物化学和分子生物学等方法获得的与微藻抗逆响应和油脂积累相关的各种赤霉素相关基因。
实施例3:赤霉素在促进藻类生长中的应用
步骤1.藻种培养和样品采集以真眼点藻属微拟球藻(N.oceanica)为例。采用优化的F/2海水培养基,配方如下:35g/L海盐,1g/L硝酸钠(NaNO3),67mg/L磷酸二氢钠一水(NaH2PO4·H2O),3.65mg/L氯化铁六水(FeCl3·6H2O),4.37mg/L柠檬酸钠二水(Na2EDTA·2H2O),微量元素[0.0196mg/L硫酸铜五水(CuSO4·5H2O),0.0126mg/L钼酸钠二水(NaMoO4·2H2O),0.044mg/L硫酸锌七水(ZnSO4·7H2O),0.01mg/L氯化钴(CoCl2)和0.36mg/L氯化锰四水(MnCl2·4H2O)]和维生素混合液(2.5μg/L维生素B12,2.5μg/L生物素和0.5μg/L盐酸硫胺素)。细胞在50μmol photons m-2s-1的连续光照下,25℃培养至对数期(OD750=3.0)。
步骤2.赤霉素施加将对数期微拟球藻稀释至OD750=0.2,向培养液中加入赤霉素(0.02、0.2、2、20和40mg L-1)。
步骤3.生物量测定每24小时测定OD750。结果显示,20mg L-1GA可以促进微拟球藻生长(图3)。
实施例4:赤霉素合成抑制剂多效唑Paclobutrazole在调控藻类生长中的应用
步骤1.藻种培养和样品采集以真眼点藻属微拟球藻(N.oceanica)为例。采用优化的F/2海水培养基,配方如下:35g/L海盐,1g/L硝酸钠(NaNO3),67mg/L磷酸二氢钠一水(NaH2PO4·H2O),3.65mg/L氯化铁六水(FeCl3·6H2O),4.37mg/L柠檬酸钠二水(Na2EDTA·2H2O),微量元素[0.0196mg/L硫酸铜五水(CuSO4·5H2O),0.0126mg/L钼酸钠二水(NaMoO4·2H2O),0.044mg/L硫酸锌七水(ZnSO4·7H2O),0.01mg/L氯化钴(CoCl2)和0.36mg/L氯化锰四水(MnCl2·4H2O)]和维生素混合液(2.5μg/L维生素B12,2.5μg/L生物素和0.5μg/L盐酸硫胺素)。细胞在50μmol photons m-2s-1的连续光照下,25℃培养至对数期(OD750=3.0)。
步骤2.赤霉素抑制剂施加将对数期微拟球藻稀释至OD750=0.2,向培养液中加入赤霉素合成抑制剂Paclobutrazole(0.5、5、20和40mg/L)。
步骤3.生物量测定每24小时测定OD750。结果显示,0.5mg/L、5mg/L和20mg/L多效唑Paclobutrazole降低了微拟球藻的生长速率(图4)。
实施例5:赤霉素合成抑制剂矮壮素Chlormequat chloride在调控藻类生长中的应用
步骤1.藻种培养和样品采集以真眼点藻属微拟球藻(N.oceanica)为例。采用优化的F/2海水培养基,配方如下:35g/L海盐,1g/L硝酸钠(NaNO3),67mg/L磷酸二氢钠一水(NaH2PO4·H2O),3.65mg/L氯化铁六水(FeCl3·6H2O),4.37mg/L柠檬酸钠二水(Na2EDTA·2H2O),微量元素[0.0196mg/L硫酸铜五水(CuSO4·5H2O),0.0126mg/L钼酸钠二水(NaMoO4·2H2O),0.044mg/L硫酸锌七水(ZnSO4·7H2O),0.01mg/L氯化钴(CoCl2)和0.36mg/L氯化锰四水(MnCl2·4H2O)]和维生素混合液(2.5μg/L维生素B12,2.5μg/L生物素和0.5μg/L盐酸硫胺素)。细胞在50μmol photons m-2s-1的连续光照下,25℃培养至对数期(OD750=3.0)。
步骤2.赤霉素抑制剂施加将对数期微拟球藻稀释至OD750=0.2,向培养液中加入赤霉素合成抑制剂Chlormequat chloride(0.5、5、20和40mg/L)。
步骤3.生物量测定每24小时测定OD750。结果显示,0.5mg/L和5mg/L矮壮素Chlormequat chloride降低了微拟球藻的生长速率(图5)
以上仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (10)
1.赤霉素或其代谢调节物在藻类生理调节中的应用。
2.根据权利要求1所述的应用,其特征在于,所述赤霉素代谢调节物包括如下i)~vi)中的至少一种:
i)、赤霉素代谢或信号传递通路中的关键酶;
ii)、编码i)所述关键酶的基因;
iii)、包含ii)所述基因的表达载体;
iv)、增强ii)所述基因表达的启动子或增强子;
v)、促进ii)所述基因表达的诱导剂;
vi)、提高i)所述关键酶活性的制剂。
3.根据权利要求2所述的应用,其特征在于,i)~vi)中所述赤霉素代谢调节物对藻类生理调节包括:促进藻类生长,提高藻类次生代谢产物积累或提高藻类抗逆性。
4.根据权利要求1所述的应用,其特征在于,所述赤霉素代谢调节物包括如下I)~VI)中的至少一种:
I)、敲除或敲低赤霉素代谢或信号传递通路中的关键酶基因的表达载体;
II)、含有I)的宿主细胞或病毒载体;
III)、干扰赤霉素代谢或信号传递通路中的关键酶基因转录的核酸分子;
IV)、赤霉素代谢或信号传递通路中的关键酶基因表达的终止子或转座子;
V)、抑制赤霉素代谢或信号传递通路中的关键酶基因表达的制剂;
VI)、赤霉素代谢或信号传递通路中的关键酶活性抑制剂。
5.根据权利要求1所述的应用,其特征在于,所述赤霉素代谢调节物为赤霉素合成抑制剂,包括:矮壮素或多效唑。
6.根据权利要求4或5所述的应用,其特征在于,I)~VI)中所述赤霉素代谢调节物对藻类生理调节包括:抑制藻类生长,降低藻类次生代谢产物积累或降低藻类抗逆性。
7.根据权利要求2或4所述的应用,其特征在于,所述赤霉素代谢或信号传递通路中的关键酶包括:
赤霉素合成酶,包括:ent-copalyl diphosphate synthase、ent-kaurene synthase、ent-kaurenoic oxidase、GAI-RGA like gibberellin response modulator、ent-kaurenoic acid oxidase、ent-kaurenoic acid oxidase、GA 20-oxidase或GA 3-oxidase;
赤霉素降解酶,包括:GA 2-oxidase、gibberellin 16α或17-epoxidase;
赤霉素甲基化酶,包括:GA methyltransferase;
赤霉素信号传递与调控蛋白,包括:赤霉素受体或GA Insensitive Dwarf 1;
其它信号传递和调控相关的蛋白,包括:N-acetyl glucosamine transferase、F-boxprotein、F-box protein、GA Insensitive、Repressor of GA、RGA-LIKE1、RGA-LIKE2、RGA-LIKE3、SLENDER RICE 1、Slender protein 1、MADS-box protein、CHD3-type chromatin-remodeling factor PICKLE或Katanin p60 ATPase-containing subunit。
8.根据权利要求1~7任一项所述的应用,其特征在于,所述藻类包括:绿藻、红藻、硅藻、褐藻或真眼点藻。
9.一种促进藻类生长,提高藻类次生代谢产物积累或提高藻类抗逆性的方法,其特征在于,包括:外源给予赤霉素或利用如下i)~vi)中的至少一种赤霉素代谢调节物使藻类内源赤霉素水平提高:
i)、赤霉素代谢或信号传递通路中的关键酶;
ii)、编码i)所述关键酶的基因;
iii)、包含ii)所述基因的表达载体;
iv)、增强ii)所述基因表达的启动子或增强子;
v)、促进ii)所述基因表达的诱导剂;
vi)、提高i)所述关键酶活性的制剂。
10.一种抑制藻类生长,降低藻类次生代谢产物积累或降低藻类抗逆性,其特征在于,包括:利用如下I)~VI)中的至少一种赤霉素代谢调节物使藻类内源赤霉素水平降低:
I)、敲除或敲低赤霉素代谢或信号传递通路中的关键酶基因的表达载体;
II)、含有I)的宿主细胞或病毒载体;
III)、干扰赤霉素代谢或信号传递通路中的关键酶基因转录的核酸分子;
IV)、赤霉素代谢或信号传递通路中的关键酶基因表达的终止子或转座子;
V)、抑制赤霉素代谢或信号传递通路中的关键酶基因表达的制剂;
VI)、赤霉素代谢或信号传递通路中的关键酶活性抑制剂。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110592922.6A CN113430120A (zh) | 2021-05-28 | 2021-05-28 | 赤霉素代谢调节物的应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110592922.6A CN113430120A (zh) | 2021-05-28 | 2021-05-28 | 赤霉素代谢调节物的应用 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113430120A true CN113430120A (zh) | 2021-09-24 |
Family
ID=77804194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110592922.6A Pending CN113430120A (zh) | 2021-05-28 | 2021-05-28 | 赤霉素代谢调节物的应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113430120A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114591976A (zh) * | 2022-04-07 | 2022-06-07 | 广西壮族自治区亚热带作物研究所(广西亚热带农产品加工研究所) | 一种编码GA2ox-氧化酶的基因及其在判断芒果矮化品种中的应用 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010080377A1 (en) * | 2008-12-19 | 2010-07-15 | Alpha-J Research Limited Partnership | Optimization of algal product production through uncoupling cell proliferation and algal product production |
CN102281756A (zh) * | 2009-01-13 | 2011-12-14 | α-J研究有限合伙公司 | 植物生长调节剂在增强藻类生长中的应用 |
KR20140050832A (ko) * | 2012-10-22 | 2014-04-30 | 박복희 | 마늘 추출물과 식물성장조절물질을 함유하는 배지 및 이를 이용한 클로렐라 배양법 |
CN104946535A (zh) * | 2014-03-26 | 2015-09-30 | 中国科学院青岛生物能源与过程研究所 | 一种可以调控微藻生长和其它功能的生长调节剂及其鉴定方法和应用 |
CN114164162A (zh) * | 2021-09-13 | 2022-03-11 | 海南大学 | 甾体激素及其代谢物的应用 |
-
2021
- 2021-05-28 CN CN202110592922.6A patent/CN113430120A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010080377A1 (en) * | 2008-12-19 | 2010-07-15 | Alpha-J Research Limited Partnership | Optimization of algal product production through uncoupling cell proliferation and algal product production |
CN102281756A (zh) * | 2009-01-13 | 2011-12-14 | α-J研究有限合伙公司 | 植物生长调节剂在增强藻类生长中的应用 |
KR20140050832A (ko) * | 2012-10-22 | 2014-04-30 | 박복희 | 마늘 추출물과 식물성장조절물질을 함유하는 배지 및 이를 이용한 클로렐라 배양법 |
CN104946535A (zh) * | 2014-03-26 | 2015-09-30 | 中国科学院青岛生物能源与过程研究所 | 一种可以调控微藻生长和其它功能的生长调节剂及其鉴定方法和应用 |
CN114164162A (zh) * | 2021-09-13 | 2022-03-11 | 海南大学 | 甾体激素及其代谢物的应用 |
Non-Patent Citations (4)
Title |
---|
LU 等: "Phytohormones in microalgae: a new opportunity for microalgal biotechnology?", 《TRENDS IN PLANT SCIENCE》 * |
STIRK 等: "Effect of gibberellins on growth and biochemical constituents in Chlorella minutissima (Trebouxiophyceae)", 《SOUTH AFRICAN JOURNAL OF BOTANY》 * |
史飞飞 等: "利用赤霉素提高微藻耐酸性的研究", 《山西农业大学学报(自然科学版)》 * |
孟春晓 等: "赤霉素对盐藻生物量与物质积累的影响", 《江苏农业科学》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114591976A (zh) * | 2022-04-07 | 2022-06-07 | 广西壮族自治区亚热带作物研究所(广西亚热带农产品加工研究所) | 一种编码GA2ox-氧化酶的基因及其在判断芒果矮化品种中的应用 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Li et al. | Physiological and molecular responses of nitrogen-starved rice plants to re-supply of different nitrogen sources | |
Yang et al. | High-throughput deep sequencing reveals the important role that microRNAs play in the salt response in sweet potato (Ipomoea batatas L.) | |
US8367392B2 (en) | Genetic transformation of algal and cyanobacteria cells by microporation | |
Calabrese et al. | Transcriptome analysis of the Populus trichocarpa–Rhizophagus irregularis mycorrhizal symbiosis: regulation of plant and fungal transportomes under nitrogen starvation | |
Deng et al. | Transcriptomic analyses of Scrippsiella trochoidea reveals processes regulating encystment and dormancy in the life cycle of a dinoflagellate, with a particular attention to the role of abscisic acid | |
AU2015227693B2 (en) | Method for preparing triacylglycerol high-productivity algae | |
Zeng et al. | Integrated analyses of miRNAome and transcriptome reveal zinc deficiency responses in rice seedlings | |
Gupta et al. | Transcriptomic analysis of soil grown T. aestivum cv. root to reveal the changes in expression of genes in response to multiple nutrients deficiency | |
CN101363004B (zh) | 一种对虾养殖池藻相的构建方法 | |
Dong et al. | Understanding strategy of nitrate and urea assimilation in a Chinese strain of Aureococcus anophagefferens through RNA-Seq analysis | |
Hu et al. | Transcriptome-based analysis of the effects of salicylic acid and high light on lipid and astaxanthin accumulation in Haematococcus pluvialis | |
CN104946535A (zh) | 一种可以调控微藻生长和其它功能的生长调节剂及其鉴定方法和应用 | |
Saud et al. | Improved nitrogen use efficiency and greenhouse gas emissions in agricultural soils as producers of biological nitrification inhibitors | |
Du et al. | Comparative transcriptome analysis of different nitrogen responses in low-nitrogen sensitive and tolerant maize genotypes | |
Sharma et al. | Efficient Agrobacterium tumefaciens-mediated stable genetic transformation of green microalgae, Chlorella sorokiniana | |
Zhu et al. | Effects of nitrogen application after abrupt drought-flood alternation on rice root nitrogen uptake and rhizosphere soil microbial diversity | |
CN113430120A (zh) | 赤霉素代谢调节物的应用 | |
Yang et al. | Activation of MAPK signaling in response to nitrogen deficiency in Ulva prolifera (Chlorophyta) | |
La Claire | Analysis of expressed sequence tags from the harmful alga, Prymnesium parvum (Prymnesiophyceae, Haptophyta) | |
Owusu et al. | Transcriptomic and metabolomic analyses reveal the potential mechanism of waterlogging resistance in cotton (Gossypium hirsutum L.) | |
CN114164162A (zh) | 甾体激素及其代谢物的应用 | |
Guan et al. | Comparative gene expression and physiological analyses reveal molecular mechanisms in wound-induced spore formation in the edible seaweed nori | |
WO2010027505A2 (en) | Decreasing rubisco content of algae and cyanobacteria cultivated in high carbon dioxide | |
Dotson et al. | The Streptomyces volatile 3-octanone alters auxin/cytokinin and growth in Arabidopsis thaliana via the gene family KISS ME DEADLY | |
Liu et al. | Comparative transcriptome profiling reveals insights into the mechanisms related to explosive growth of Alexandrium pacificum |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210924 |
|
RJ01 | Rejection of invention patent application after publication |