WO2002004020A2 - Pathogenresistenz in organismen - Google Patents
Pathogenresistenz in organismen Download PDFInfo
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- WO2002004020A2 WO2002004020A2 PCT/DE2001/001916 DE0101916W WO0204020A2 WO 2002004020 A2 WO2002004020 A2 WO 2002004020A2 DE 0101916 W DE0101916 W DE 0101916W WO 0204020 A2 WO0204020 A2 WO 0204020A2
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Classifications
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- 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
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- C12N15/85—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
- C12N15/8509—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells for producing genetically modified animals, e.g. transgenic
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
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- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
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- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/44—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material not provided for elsewhere, e.g. haptens, metals, DNA, RNA, amino acids
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- 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
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- 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
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- C12N15/8281—Phenotypically and genetically modified plants via recombinant DNA technology with agronomic (input) traits, e.g. crop yield for stress resistance, e.g. heavy metal resistance for biotic stress resistance, pathogen resistance, disease resistance for bacterial resistance
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- 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
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-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K2217/00—Genetically modified animals
- A01K2217/05—Animals comprising random inserted nucleic acids (transgenic)
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K2227/00—Animals characterised by species
- A01K2227/10—Mammal
- A01K2227/105—Murine
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K2267/00—Animals characterised by purpose
- A01K2267/02—Animal zootechnically ameliorated
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/505—Medicinal preparations containing antigens or antibodies comprising antibodies
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2317/00—Immunoglobulins specific features
- C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
- C07K2317/62—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
- C07K2317/622—Single chain antibody (scFv)
Definitions
- the present invention relates to the use of a polypeptide which binds a cyclic ketone derived from oxazole for the production of pathogen resistance in organisms, in particular plants and animals.
- Plants and animals are a variety of pathogens, i.e. Exposed to pathogens that can cause disease.
- pathogens are e.g. Fungi, bacteria and viruses.
- the pathogens are often absorbed through the leaves, tubers and roots, while in animals this is often via the skin, breathing and food. Many strategies are followed to help with these organisms
- the present invention is therefore based on the technical problem of providing a means with which resistance to pathogens can be generated in organisms, in particular plants and animals.
- the present invention is based on the knowledge of the applicant that plants and animals which contain a polypeptide which binds a cyclic ketone derived from oxazole have resistance to pathogens.
- transgenic potato plants that contain 2-phenyloxazol-5-one express binding antibody, have resistance to pathogens, for example the phytopathogenic fungus Phytophthora infestans or the bacterial pathogen Erwinia carotovora.
- pathogens for example the phytopathogenic fungus Phytophthora infestans or the bacterial pathogen Erwinia carotovora.
- transgenic mice that express such an antibody have resistance to pathogens, for example the bacterium Staphylococcus aureus. It will refer to the following
- these findings of the applicant are used for the use of a polypeptide for generating pathogen resistance in organisms, in particular plants, animals and humans, the polypeptide binding a cyclic ketone derived from oxazole.
- polypeptide includes a (poly) peptide of any kind and origin which can bind a cyclic oxazole-derived ketone, in particular 3-phenyloxazol-5-one, the ketone being present as such or within a compound.
- the polypeptide can be an antibody or a fragment thereof, e.g. a Fab, an Fv or a single chain (sc) antibody, in particular an scFv antibody and very particularly those with the amino acid sequence of FIG. 1.
- the polypeptide can be provided by various methods. A method is favorable in which a polypeptide or antibody expression library is screened with the above ketone or a compound containing it (e.g. HuCAL, Morphosys, Germany).
- the polypeptide can be used to generate pathogen resistance in organisms, in particular plants, animals and humans.
- the use of the polypeptide in plants is first described below.
- the polypeptide has a signal peptide, as a result of which it can be transported into certain cell compartments of a plant cell.
- Suitable signal peptides and methods for linking the signal peptides to a desired protein, for example the present polypeptide, are known to the person skilled in the art.
- the signal peptide of the barley ⁇ -amylase with regard to the apoplast (Düring et al., Plant Journal 3 (1993), 587-598), a mouse signal peptide, the combination of a Mouse signal peptide and the KDEL-ER retention signal for the ER (Artsaenko et al., Molecular Breeding 4 (1998), 313-319) for the targeting signal of a mammalian ⁇ -2,6-sialyltransferase for the Golgi apparatus (Wee et al., Plant Cell IV (1998), 1759-1768) on the vacuole localization signal of a vacuolar chitinase from cucumber with regard to the vacuoles (Neuhaus et al., Proc. Natl.
- the polypeptide can be processed by various methods e.g. via media, such as culture media, a plant or
- Parts of these, in particular plant cells, are administered.
- polypeptide can be in the form of a nucleic acid encoding it, e.g. DNA or RNA, administered to plants or parts thereof.
- a nucleic acid e.g. DNA or RNA
- the nucleic acid is present in an expression vector or with
- the expression vectors can be based on a plasmid, cosmid, virus, bacteriophage or another vector customary in genetic engineering. These vectors can have further functional units that stabilize the vector in the
- Effect plant Furthermore, they can contain "left border” and “right border” sequences of agrobacterial T-DNA, which enables stable integration into the genome of plants. Furthermore, a termination sequence can be be present, which serves the correct termination of the transcription and the addition of a poly-A sequence to the transcript. Such elements are described in the literature (cf. Gielen et al., EMBO J. 8 (1989), 23-29) and can be exchanged as desired.
- suitable promoters are known to the person skilled in the art and these include, for example, the Cauliflower Mosaic Virus 35S promoter (Odell et al., Nature 313 (1995), 810-812), the Agrobacterium tumefaciens nopaline synthesis promoter and the mannopine Synthase promoter (Harpster et al., Molecular and General Genetics 212 (1988), 182-190).
- the one for the desired protein, e.g. the gene encoding the present polypeptide may also be linked to an inducible promoter, e.g. controlling the synthesis of the desired protein e.g.
- Suitable promoters are known to the person skilled in the art and include, for example, the anaerobically inducible gap C4 promoter from maize (Bülow et al., Molecular Plant-Microbe Interactions 12 (1999), 182-188), PR promoters such as L-phenylalanine ammonium lyase. , Chalcon synthase and "hydroxyproline rieh glycoprotein” promoters inducible by ethylene (Ecker and Davies, Proc. Natl. Acad. Sci.
- a large number of cloning vectors which contain a replication signal for E. coli and a marker gene for the selection of transformed bacterial cells are available for producing the expression vectors for introduction into plants.
- examples of such vectors are pBR322, pUC series, M13mp series, pA-
- the desired sequence can be inserted into the vector at an appropriate restriction site.
- the vector obtained is used for the transformation of E. coli cells.
- Transformed E.coli cells are in grown in a suitable medium, then harvested and lysed.
- the vector is then recovered. Restriction analyzes, gel electrophoresis and other biochemical-molecular biological methods are generally used as analysis methods for characterizing the vector DNA obtained. After each manipulation, the vector DNA can be cleaved and DNA
- Fragments can be linked to other DNA sequences.
- Each vector DNA sequence can be cloned in the same or different vectors.
- Transformation of plant cells with T-DNA using Agrobacterium tumefaciens or Agrobacterium rhizogenes as a transformation agent the fusion of protoplasts, the injection, the electroporation of DNA, the introduction of DNA using the biolistic method and other possibilities.
- neomycin phosphotransferase II gene from E. coli (Beck et al., Gene 19 (1982), 327-336), the sulfonamide resistance gene (EP-369637) and the hygromycin resistance gene (EP -186,425).
- additional DNA sequences may be required. E.g. for the transformation of E. coli
- the plant cell uses the Ti or Ri plasmid, at least the right border, but often the right and left border of the Ti and Ri plasmid T-DNA must be linked as a flank region with the genes to be introduced.
- the DNA to be introduced must be cloned into special vectors, either in an intermediate vector or in a binary vector (cf. also the following examples). play 1 to 3).
- the intermediate vectors can be integrated into the Ti or Ri plasmid of the agrobacteria on the basis of sequences which are homologous to sequences in the T-DNA by homologous recombination. This also contains the vir region necessary for the transfer of the T-DNA. Intermediate vectors cannot replicate in agrobacteria.
- the intermediate vector can be transferred to Agrobacterium tumefaciens using a helper plasmid.
- Binary vectors can replicate in both E. coli and agrobacteria.
- the agrobacterium serving as the host cell should contain a plasmid carrying a vir region. The vir region is necessary for the transfer of the T-DNA into the plant cell. Additional T-DNA may be present.
- the agrobacterium transformed in this way is used to transform plant cells.
- plant explants can advantageously be cocultivated with Agrobacterium tumefaciens or Agrobacterium rhizogenes.
- Whole plants can then be regenerated from the infected plant material (for example leaf pieces, stem segments, roots, but also protoplasts or suspension-cultivated plant cells) in a suitable medium, which may contain antibiotics or biocides for the selection of transformed cells.
- the plants thus obtained can then be examined for the presence of the introduced DNA.
- the expression vectors used according to the invention contain localization signals for localization in cell compartments, in particular endoplasmic reticulum (ER), apoplasts, Golgi apparatus, plastids, peroxisomes, mitochondria and / or vacuoles.
- ER endoplasmic reticulum
- apoplasts lipid-binding protein
- Golgi apparatus plastids
- peroxisomes mitochondria and / or vacuoles.
- localization signals are the KDEL-ER targeting peptide, the Golgi localization signal of the ⁇ -1,2-N-acetylglucosamine transferase (GnTI), the transit peptide from the small subunit of the ribulose-biphosphate carboxylase and / or that vacuolar targeting signal SKNPIN.
- GnTI Golgi localization signal of the ⁇ -1,2-N-acetylglucosamine transferase
- the transit peptide from the small subunit of the ribulose-biphosphate carboxylase and / or that vacuolar targeting signal SKNPIN.
- the above polypeptide is administered to plants.
- plants can be plants of any plant species, i.e. both monocot and dicot plants.
- the term "plant” used here also includes Gramineae, Chenopodia, leguminous plants, Brasicaceae, Solanaceae, fungi, mosses and algae. They are preferably useful plants, e.g. plants like wheat, barley, rice, corn, sugar beet, sugar cane, rapeseed, mustard, turnip, flax, pea, bean lupine, tobacco and potato.
- the parts of the plants desired for the expression of the polypeptide in principle relate to any part of the plant, in any case propagation material of these plants, for example seeds, tubers, rhizomes, seedlings, cuttings etc.
- the present invention also relates to plant seeds, a plant cell or a plant which expresses a polypeptide above.
- the above polypeptide can be administered as such or in combination with a signal peptide to animals, humans or cells thereof.
- a signal peptide can e.g. a mouse signal peptide, a combination of a mouse signal peptide and the KDEL-ER retention signal or the targeting signal of a mammalian alpha-2,6
- the polypeptide can be administered in the form of a nucleic acid encoding it, for example DNA or RNA, to animals, humans or cells thereof.
- a nucleic acid For administration in the form a nucleic acid must be present in an expression vector or be ligated to sequences of such. Reference is made to the general statements above regarding expression vectors and their preparation. We also refer to vectors suitable for gene therapy in 'animals.
- the nucleic acid can be under the control of an inducible or tissue-specific promoter, such as metal detailothionein I or polyhedrin promoter.
- Preferred vectors are, for example, viruses such as retroviruses, adenoviruses, adeno-associated viruses or vaccinia viruses.
- retroviruses are MoMuLV, HaMuSV, MUMTV, RSV or GaLV.
- nucleic acid coding for the polypeptide can be in the form of colloidal dispersions
- Target cells are transported. These include e.g. Liposomes and lipoplexes (Mannino et al., Biotechniques 6 (1988), 682).
- the above polypeptide is administered to animals, humans and cells thereof.
- animals humans and cells thereof.
- it can be any animal
- Trade animal species It is preferably useful and domestic animals, e.g. Cattle, horses, sheep, pigs, goats, dogs, cats, etc.
- the present invention also relates to animals and cells thereof which express the above polypeptide.
- the present invention is characterized in that a resistance to pathogens can be generated in plants and animals or in humans.
- pathogens includes any pathogens which can cause diseases in the organisms mentioned. Examples of such pathogens are
- Bacteria Bacteria, "fungi and viruses.
- plants are in particular phytopathogenic fungi such as Phytophthora infestans, Botrytis cinerea, Alternaria alternate, Fusarium oxysporum, Ustilago maydis, and bacterial pathogens such as Erwinia carotovora, Pseudomonas syringae, Ralstonia solanacearum, Xanthomonas campestris, Clavi- bacter
- the diseases such as candidamycoses, cryptococcoses, aspergilloses, dermatomycoses, hystopolasmoses, coccidiomycoses and blastomycoses, and bacterial pathogens such as Micrococcaceae (for example Staphy- lococci), Lactobacteriaceae (e.g.
- Neisseriaceae e.g. Neisseriae
- Corynebacteriaceae Spirillaceae
- Listeria bacteriae Mycobacteriaceae
- Enterobacteriaceae e.g. Escherichia bacteriae
- Salmonellae Brucellacoreneae (e.g. Pasteobe anaerobacteria) Bacillaceae, Clostridia) and Rickettsiales.
- Invention best to be used in plant and animal breeding as well as in human medicine.
- the present invention also provides a pharmaceutical composition which contains a polypeptide as above, in combination with a signal peptide or in the form of a nucleic acid encoding it, and customary auxiliaries, such as diluents, solvents, preservatives, extenders, etc.
- the composition can also be in various forms, e.g. as an ointment, paste, cream, gel or aqueous solution. Depending on its shape, the composition can be injected or applied externally.
- FIG. 1 shows the DNA and amino acid sequence of an scFv antibody used according to the invention, which binds 2-phenyloxazol-5-one.
- FIG. 2 shows the proportion of the leaf surface with disease symptoms after infection of potato leaves with Phytophthora infestans (mixture of
- Fig. 3 shows remaining intact potato tuber tissue after inoculation of tuber slices with 2000 Erwinia carotovora ssp. atroseptica
- Lines 9/7, 9/49, 9/51, 9/52 contain the gene coding for the antibody that binds 2-phenyloxazol-5-one (fused to the
- Line DK1 contains only the nptll marker gene; Desiree: non-transgenic parent variety as a control.
- Example 1 Generation of resistance in transgenic potato plants against Phytophthora infestans
- round leaf disks with a diameter of 20 mm were produced from potato leaves. These leaf disks were laid out on a moist filter paper which was spread out in a translucent plastic can on a stainless steel grid and inoculated with a 20 l drop of spore suspension (approx. 200 sporangia) from Phytophthora infestans race 1-11.
- the sporangia suspension was prepared from leaf disks that had already been infected and, prior to the " inoculation to stimulate the zoospores hatching, cooled for about 15 minutes to 4 ° C. The incubation takes place in illuminated incubators with a day period of 14 hours and a day / night temperature of 17 10 ° C After five and six days, evaluations were carried out, the percentage of the infested area of the total leaf disk area being determined
- Example 2 Generation of resistance in transgenic potato tubers to Erwinia carotovora
- Example 1 The potato plants described in Example 1 were grown in greenhouses. After the potato plants had ripened, the tubers were harvested and stored for phytopathological testing.
- mice About 20 female CB6F1 mice aged 4-5 weeks were superovulated by intra peritoneal injection of 5 U PMS (pregnant mare's serum) on day 1 and another intra peritoneal injection of 5 U hCG (human chorionic gonadotropin) on day 3 and in the evening same day with male CB6F1 animals mated. On the morning of the 4th day, the animals were examined for the presence of a vaginal plug, positive animals were killed by cervical dislocation and the oviducts were removed.
- PMS pregnant mare's serum
- hCG human chorionic gonadotropin
- the egg cells were emptied from the oviduct in M2 medium, the cumulus cells detached by brief incubation with hyaluronidase, the egg cells washed thoroughly and in the incubator (5% C0 2 , 85% humidity, 37 °) in M16 medium coated with paraffin oil until microinjection C) kept.
- Fig. 1 a DNA of Fig. 1 was injected into the male pre-nucleus of fertilized egg cells, which is under the control of the WAP promoter (whey acidic protein), i.e. this promoter is induced by lactotropic hormones released by mammals during pregnancy or the lactation period. Injected eggs were then incubated in the incubator until retransfer the following day. About 25 female B6CBAF1 were used the evening before the microinjection to provide pseudopregnant Foster mice
- mice aged 8 to 12 weeks mated with vasectomized male mice. On the morning of the 5th day, the animals with vaginal plugs were selected for retransfer of the injected eggs. The cells, which were cultured overnight and proliferated and microinjected to the two-cell stage, were re-implanted on the 5th day. 10-15 embryos were washed into the infundibulum of an oviduct of an anesthetized Foster mouse. The implanted embryos were born 19-20 days after retransfer. 9 transgenic mice were obtained which express the scFv antibody shown in FIG. 1. A cut of approx. 1 cm in length was added to the back of these mice. A suspension of Staphylococcus aureus was placed in the wound and the mice were examined for the development of disease symptoms, i.e. Pus formation, observed.
- Pus formation i.e. Pus formation
- Polypeptide the disease symptoms could be significantly reduced compared to controls, which underlines the generation of pathogen resistance in animals.
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Abstract
Description
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AU2001275644A AU2001275644A1 (en) | 2000-07-12 | 2001-05-17 | Pathogen resistance in organisms |
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DE10033750.3 | 2000-07-12 | ||
DE10033750A DE10033750A1 (de) | 2000-07-12 | 2000-07-12 | Pathogenresistenz in Organismen |
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WO2002004020A3 WO2002004020A3 (de) | 2002-07-18 |
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PCT/DE2001/001916 WO2002004020A2 (de) | 2000-07-12 | 2001-05-17 | Pathogenresistenz in organismen |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1997029200A1 (de) * | 1996-02-08 | 1997-08-14 | Institut für Pflanzengenetik und Kulturpflanzenforschung | Kassetten zur expression von lagerstabilen proteinen in pflanzen |
WO1998049329A1 (de) * | 1997-04-30 | 1998-11-05 | Basf Aktiengesellschaft | Expression von fungizid-bindenden polypeptiden in pflanzen zur erzeugung von fungizidtoleranz |
-
2000
- 2000-07-12 DE DE10033750A patent/DE10033750A1/de not_active Withdrawn
-
2001
- 2001-05-17 WO PCT/DE2001/001916 patent/WO2002004020A2/de active Application Filing
- 2001-05-17 AU AU2001275644A patent/AU2001275644A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1997029200A1 (de) * | 1996-02-08 | 1997-08-14 | Institut für Pflanzengenetik und Kulturpflanzenforschung | Kassetten zur expression von lagerstabilen proteinen in pflanzen |
WO1998049329A1 (de) * | 1997-04-30 | 1998-11-05 | Basf Aktiengesellschaft | Expression von fungizid-bindenden polypeptiden in pflanzen zur erzeugung von fungizidtoleranz |
Non-Patent Citations (2)
Title |
---|
ARTSAENKO OLGA ET AL: "Potato tubers as a biofactory for recombinant antibodies." MOLECULAR BREEDING, Bd. 4, Nr. 4, August 1998 (1998-08), Seiten 313-319, XP002174096 ISSN: 1380-3743 * |
GU R-L ET AL: "CHEMO-ENZYMATIC ASYMMETRIC SYNTHESIS OF AMINO ACIDS ENANTIOSELECTIVE HYDROLYSES OF 2 PHENYLOXAZOLIN-5-ONES" TETRAHEDRON LETTERS, Bd. 33, Nr. 15, 1992, Seiten 1953-1956, XP001038105 ISSN: 0040-4039 * |
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