Introduction Via Agrobacterium Patents (Class 435/469)
-
Patent number: 7960611Abstract: A method for gene introduction by which higher efficiency for gene introduction than that by the conventional Agrobacterium method may be attained simply and without injuring the tissue is disclosed. According to the method of the present invention, the efficiency of gene introduction into plant cells by a bacterium belonging to genus Agrobacterium is promoted by accompanying centrifugation of the plant cells or plant tissue.Type: GrantFiled: October 12, 2010Date of Patent: June 14, 2011Assignee: Japan Tobacco Inc.Inventors: Yukoh Hiei, Keisuke Kasaoka, Yuji Ishida
-
Publication number: 20110131685Abstract: The present invention provides a method for Agrobacterium-mediated gene transfer into a plant material, which comprises inoculating an Agrobacterium into the plant material in the presence of a powder. In the method of the present invention, the powder at least does not affect living tissues and has one or more properties selected from the group consisting of: being insoluble in water; having an affinity for living tissues; having adsorption properties; and having a surface polarity. The present invention also provides a method for producing a transformed plant, which comprises using the gene transfer method of the present invention.Type: ApplicationFiled: December 13, 2006Publication date: June 2, 2011Inventors: Yuji Ishida, Yukoh Hiei, Jun Ueki, Takeshi Yamamoto
-
Patent number: 7947868Abstract: The present invention relates to a new plant breeding process. The process improves the agronomic performance of crop plants by using genetic material that is also used in classical breeding. Instead of sexually recombining entire genomes at random, as is done in classical breeding, specific genetic elements are rearranged in vitro and inserted back into individual plant cells. Plants obtained through this new plant breeding process do not contain foreign nucleic acid but only contain nucleic acid from the plant species selected for transformation or plants that are sexually compatible with the selected plant species. Plants developed through this new plant breeding process are provided. In particular, potato plants displaying improved tuber storage and health characteristics are provided.Type: GrantFiled: January 31, 2007Date of Patent: May 24, 2011Assignee: J.R. Simplot CompanyInventors: Caius Rommens, Kathy M. M. Swords
-
Patent number: 7939328Abstract: Disclosed is a method of transforming monocotyledons which necessitates only a short period from the transformation to the regeneration of a whole plant as compared with the conventional methods, thus reducing the frequency of occurrence of mutants, and can be generally applied to the plants for which any system of regenerating the whole plants from protoplasts has not been established, and in which the material to be used can be readily prepared without any particular apparatuses. The present invention provides a method for transforming monocotyledons comprising transforming scutellum of an immature embryo of a monocotyledon with a bacterium belonging to genus Agrobacterium containing a desired gene, which immature embryo has not been subjected to a dedifferentiation treatment, to obtain a transformant.Type: GrantFiled: September 1, 1994Date of Patent: May 10, 2011Assignee: Japan Tobacco Inc.Inventors: Hideaki Saito, Yuji Ishida, Yukoh Hiei, Toshihiko Komari
-
Patent number: 7928291Abstract: The present invention relates to methods and compositions for improving the efficiency of Agrobacterium- and Rhizobium-mediated plant cell transformation by use of additional transformation enhancer sequences, such as overdrive or TSS sequences, operably linked to a T-DNA border sequence on a recombinant construct that comprises T-DNA.Type: GrantFiled: July 18, 2007Date of Patent: April 19, 2011Assignee: Monsanto Technology LLCInventors: Larry Gilbertson, Xudong Ye
-
Patent number: 7923600Abstract: The present invention provides a convenient method for producing a transformed plant by expressing a hormone gene positioned within a plasmid backbone that also carries a P-DNA or T-DNA to obtain backbone-free transformed plants.Type: GrantFiled: February 2, 2007Date of Patent: April 12, 2011Assignee: J.R. Simplot CompanyInventor: Craig Richael
-
Patent number: 7910803Abstract: The present invention relates to plant biotechnology and specifically to a method for genetically transforming Camelina sativa with Agrobacterium-mediated transformation system. It comprises Camelina sativa for producing homologous and heterologous recombinant products including oil and protein products and assessing and screening the efficacy of plant transformation. Also disclosed are transgenic Camelina sativa plants, seeds as well as cells, cell-lines and tissue of Camelina sativa.Type: GrantFiled: October 23, 2008Date of Patent: March 22, 2011Assignee: Unicrop OyInventors: Viktor Kuvshinov, Anne Kanerva, Kimmo Koivu, Svetlana Kuvshinova, Eija Pehu
-
Publication number: 20110041209Abstract: Methods for transforming an explant are provided. The methods may include applying copper amino acid chelate to a plant and transforming an explant obtained therefrom. The transformed explant may have increased transformation frequency relative to a control.Type: ApplicationFiled: July 29, 2010Publication date: February 17, 2011Applicant: Pioneer Hi-Bred International, Inc.Inventors: Tim Uhrig, Paul Enger, Marie Michael, Ron Christensen
-
Publication number: 20110030088Abstract: The invention provides methods for transforming grass plants with Agrobacterium. The invention allows creation of transgenic grass plants without the need for callus as a target tissue for transformation, thus providing a rapid method for the production of transgenic grass plants. Transgenic grass plants produced by this method are also provided.Type: ApplicationFiled: June 22, 2010Publication date: February 3, 2011Inventors: ZENG-YU WANG, Rangaraj Nandakumar
-
Publication number: 20110030100Abstract: A method for gene introduction by which higher efficiency for gene introduction than that by the conventional Agrobacterium method may be attained simply and without injuring the tissue is disclosed. According to the method of the present invention, the efficiency of gene introduction into plant cells by a bacterium belonging to genus Agrobacterium is promoted by accompanying centrifugation of the plant cells or plant tissue.Type: ApplicationFiled: October 12, 2010Publication date: February 3, 2011Inventors: Yukoh HIEI, Keisuke Kasaoka, Yuji Ishida
-
Patent number: 7880057Abstract: The present invention relates to a new plant breeding process. The process improves the agronomic performance of crop plants by using genetic material that is also used in classical breeding. Instead of sexually recombining entire genomes at random, as is done in classical breeding, specific genetic elements are rearranged in vitro and inserted back into individual plant cells. Plants obtained through this new plant breeding process do not contain foreign nucleic acid but only contain nucleic acid from the plant species selected for transformation or plants that are sexually compatible with the selected plant species. Plants developed through this new plant breeding process are provided. In particular, potato plants displaying improved tuber storage and health characteristics are provided.Type: GrantFiled: January 31, 2007Date of Patent: February 1, 2011Assignee: J.R. Simplot CompanyInventors: Caius Rommens, Kathy M. M. Swords
-
Publication number: 20110016589Abstract: The invention provides methods and compositions for increasing the efficiency of genetic transformation of host cells, including plant cells, and other eukaryotic cells, by reducing the expression of a polypeptide active in a pathway, such as the NHEJ pathway, for repairing damage to the cellular genome. In certain embodiments, the polypeptide is active in repairing double strand breaks (DSB's) of a cellular genome, and may include XRCC4, KU70, KU80, the DNA-activated Protein Kinase (DNA-Pkcs), and ATM. Methods for enhancing the resistance of plant cells to Crown Gall disease are also provided. In another aspect, genetic regulatory elements are provided, including an XRCC4 promoter.Type: ApplicationFiled: July 20, 2010Publication date: January 20, 2011Inventors: ZARIR E. VAGHCHHIPAWALA, Kirankumar Mysore
-
Publication number: 20100333230Abstract: The present disclosure relates to the development and use of Closterovirus-based vectors for the delivery of nucleotides to plants. Specifically, the present disclosure provides viral vectors based on Grapevine leafroll-associated virus-2 for the delivery and expression of genes in plants, particularly grape plants. Methods of making and using these vectors, as well as the plants transformed by these vectors, are also contemplated.Type: ApplicationFiled: January 29, 2009Publication date: December 30, 2010Applicant: State of Oregon Acting By and Through the State Board of Higher Educ. on Behalf of OR State U.Inventors: Valerian V. Dolja, Valera V. Peremyslov
-
Publication number: 20100323397Abstract: There is provided a method for Agrobacterium-mediated gene transformation of a host cell. The method uses an Agrobacterium which expresses a VirD2 protein resistant to cleavage by a caspase. The VirD2 protein is modified by replacement of an aspartic acid residue with an alternative amino acid at one or more of the caspase cleavage sites within the protein amino acid sequence. This method improves the low efficiency of Agrobacterium-mediated gene transfer in certain plant cells and in animal cells caused by caspase cleavage of the VirD2 protein. The modified VirD2 protein, a gene for its expression and a method of producing a protein of interest by Agrobacterium-mediated transformation of a host cell are also described.Type: ApplicationFiled: May 10, 2007Publication date: December 23, 2010Applicant: SCOTTISH CROP RESEARCH INSTITUTEInventors: Brian Reavy, Mikhail Talianski, Sang Hyon Kim, Andrey Borisowich Vartapetian, Nina Valentinovna Chichkova, Svetlana Bagirova
-
Publication number: 20100263093Abstract: GmWRKY transcription factor genes and proteins from soybean. Plants that overexpress GmWRKY transcription factor genes and proteins to thereby increase stress tolerance. Methods for making such slants and methods for mimicking a stress tolerance phenotype using a GmWRKY modulator.Type: ApplicationFiled: October 29, 2008Publication date: October 14, 2010Applicant: INSTITUTE OF GENETICS AND DEVELOPMENT BIOLOGY, CHIInventors: Shouyi Chen, Jingsong Zhang, Qiyun Zhou, Aiguo Tian, Sijie He, Baoxin Du
-
Patent number: 7812222Abstract: The present invention relates to a method of introducing a gene into plant material via Agrobacterium. A method of the present invention is characterized in that it comprises: 1) pressurizing a plant material, and then 2) infecting the plant material with an Agrobacterium.Type: GrantFiled: August 5, 2004Date of Patent: October 12, 2010Assignee: Japan Tobacco Inc.Inventor: Yuji Ishida
-
Publication number: 20100257632Abstract: The invention relates to the field of plant transformation using Agrobacterium. An ultra-high co-transformation method is provided herein.Type: ApplicationFiled: December 5, 2008Publication date: October 7, 2010Applicant: KEYGENE N.V.Inventors: Ilona Margaretha Bruggeman, Michiel Theodoor Jan De Both
-
Patent number: 7803988Abstract: The invention provides a transformation method comprising inoculation and co-cultivation of a target tissue, from a target plant, with Agrobacterium, at a time when the target tissue is in its natural plant environment, followed by generation of a transgenic plant via dedifferentiation and regeneration of the target tissue.Type: GrantFiled: August 10, 2007Date of Patent: September 28, 2010Assignee: Biogemma S.A.S.Inventors: Thierry Risacher, Melanie Craze
-
Patent number: 7795398Abstract: The invention provides isolated nucleic acids from potato encoding LRR polypeptides that confer late blight disease resistance in plants of the Solanaceae family and vectors and transgenic plants comprising the nucleic acids. The invention also provides a method for providing a plant or its progeny with resistance against an oomycete infection comprising providing said plant or part thereof with a gene or functional fragment thereof comprising a nucleic acid, said nucleic acid encoding a gene product that is capable of providing a member of the Solanaceae with resistance against an oomycete fungus.Type: GrantFiled: June 7, 2007Date of Patent: September 14, 2010Assignee: Kweek-En Researchbedrijf Agrico B.V.Inventors: Josephus Jacobus Hendricus Maria Allefs, Edwin Andries G. van der Vossen
-
Patent number: 7786345Abstract: The present invention relates to transgenic plants for producing cellulose by a mechanism of autohydrolysis and a method producing soluble sugars using them, more particularly to transgenic plants transformed with recombinant cDNA coding cellulase, cellulose binding domain and chloroplast targeting peptide and a method producing soluble sugars using them. Transgenic plants and a method producing soluble sugars using them would be a highly cost-effective system for the production of soluble sugars on a large scale.Type: GrantFiled: July 30, 2005Date of Patent: August 31, 2010Assignee: Postech FoundationInventors: Hyeun-Jong Bae, Inhwan Hwang, Serge Laberge, Ginette Turcotte
-
Publication number: 20100192253Abstract: The invention provides improved plant transformation methods. In particular the method provides increased transformation frequency, especially in recalcitrant plants. The method includes various transformation protocols for monocots, such as maize and sorghum, using a combination of media and light conditions to achieve increased efficiency of monocot transformation and increased callus initiation frequencies.Type: ApplicationFiled: January 26, 2010Publication date: July 29, 2010Applicant: PIONEER HI-BRED, INC.Inventors: XINLI E. WU, MYEONG-JE CHO, ZUO-YU ZHAO
-
Patent number: 7754944Abstract: Synthetic modular polynucleotide constructs are useful for gene expression in plants, methods for making and using such constructs, and plants transformed with such constructs. The constructs comprise unique restriction sites for each modular element and may further comprise polynucleotide identifier sequences.Type: GrantFiled: April 2, 2007Date of Patent: July 13, 2010Assignee: Monsanto Technology LLCInventors: Changlin Fu, Brian Hauge, Vicky Gavrias
-
Patent number: 7749751Abstract: The present invention relates to T-DNA vectors and methods for obtaining transgenic eukaryotes using said vectors. The transgenic eukaryotes are characterized in that they contain the T-DNA but not the illegitimately transferred vector backbone sequence. This is achieved by modifying the T-DNA borders such that they are more efficiently nicked or such that they allow elimination of illegitimately transferred vector backbone sequences by means of recombination.Type: GrantFiled: December 13, 2000Date of Patent: July 6, 2010Assignee: CropDesign N.V.Inventors: Anna Depicker, Vladimir Mironov, Franky Terras, Willem Broekaert, Sylvie De Buck, Chris De Wilde
-
Patent number: 7741541Abstract: A method for obtaining improved fertility restorer lines for male sterile crop plants and a DNA construct for use in said method are disclosed. The invention relates to the simultaneous use of two different gene sequences encoding the same protein product, one being the naturally occurring wild type sequence and the other sequence being generated by modification of the wild type sequence for expression in crop plants by using codon degeneracy to avoid homology between the two sequences at the DNA and mRNA levels, each of the said sequences being placed under independent transcriptional control of different overlapping plant tissue-specific regulatory elements in the same DNA construct.Type: GrantFiled: July 7, 2003Date of Patent: June 22, 2010Assignees: University of Delhi South Campus, Dhara Vegetable Oil and Foods Company LimitedInventors: Naveen Chandra Bisht, Arun Jagannath, Vibha Gupta, Pradeep Kumar Burma, Deepak Pental
-
Patent number: 7737327Abstract: Methods for screening mutations that affect the synthesis of plant small molecules or compounds capable of activating a mammalian nuclear receptor protein and systems for rapidly assigning functionality to genes that regulate plant secondary metabolism are provided.Type: GrantFiled: March 9, 2004Date of Patent: June 15, 2010Assignee: The University of Kentucky Research FoundationInventors: Deane Louis Falcone, John M. Littleton
-
Patent number: 7737328Abstract: The invention relates to a novel transformation method for plants of the genus Allium. Plants transformed by the method are also provided. The method preferably involves an Agrobacterium tumefaciens-mediated transformation, involving the transformation of immature embryos as the explant source and wherein the method is carried out without passage through the callus phase.Type: GrantFiled: July 28, 2006Date of Patent: June 15, 2010Assignee: New Zealand Institute for Crop & Food Research LimitedInventors: Carolyn Elizabeth Lister, Colin Charles Eady
-
Patent number: 7732164Abstract: Nucleic acid molecules which encode a branching enzyme from a bacterium of the genus Neisseria, vectors, host cell, plant cells and plants containing said nucleic acid molecules as well as starch obtainable from the plants described are described. Furthermore, an in-vitro method for producing ?-1,6-branched ?-1,4-glucans on the basis of sucrose and a combination of enzymes of an amylosucrase and a branching enzyme as well as the ?-1,6-branched ?-1,4-glucans obtainable by said method are described.Type: GrantFiled: November 10, 2003Date of Patent: June 8, 2010Assignee: Bayer Bioscience GmbHInventors: Volker BĂĽttcher, Martin Quanz
-
Patent number: 7709699Abstract: Methods for high-throughput screening in duckweed are disclosed. In one aspect, these methods are used to identify nucleotide sequences encoding polypeptides of interest. In another aspect, these methods are used to identify nucleotide sequences that modulate the expression of a target nucleotide sequence. The methods combine the predictive benefits of screening in whole plants with the speed and efficiency of a high throughput system.Type: GrantFiled: May 30, 2002Date of Patent: May 4, 2010Assignee: Biolex Therapeutics, Inc.Inventors: Anne-Marie Stomp, Lynn Dickey, Billy Houghteling, Nirmala Rajbhandari
-
Patent number: 7709700Abstract: The present invention provides a method for Agrobacterium-mediated gene introduction into a plant material, comprising: 1) treating the plant material, and then 2) infecting the plant material with an Agrobacterium, characterized in that a medium enriched in a metal salt containing copper ion is used in step 1) and/or 2). The present invention also provides a process for preparing a transformed plant characterized in that the gene introduction method of the present invention is used.Type: GrantFiled: August 12, 2004Date of Patent: May 4, 2010Assignee: Japan Tobacco Inc.Inventor: Yuji Ishida
-
Patent number: 7696408Abstract: The invention provides a method to enhance Agrobacterium-mediated transformation of plant cells, parts and tissues, thereby enhancing the production of transgenic plants.Type: GrantFiled: March 30, 2004Date of Patent: April 13, 2010Assignees: Regents of the University of Minnesota, BASF Plant Science GmbHInventors: Paula Olhoft, David A. Somers
-
Patent number: 7682829Abstract: The present invention relates to a novel transformation system for generating transformed corn plants. In particular, the invention relates to a rapid selection system at an elevated temperature that allows faster and more efficient transformation.Type: GrantFiled: June 1, 2004Date of Patent: March 23, 2010Assignee: Monsanto Technology LLCInventors: Tishu Cai, Shubha Subbarao, Yuechun Wan, Richard A. Yingling, Michael T. Mann, Anita Otal, David D. Songstad
-
Patent number: 7666677Abstract: Improved methods for production of stilbenoids including resveratrol, pinosylvin and their respective derivatives are provided, including producing hairy roots from plant cells and eliciting production of the stilbenes. The plant cells in an embodiment are infected by Agrobacterium to produce hairy roots, and contacted with substances which elicit production of the stilbenoid compounds.Type: GrantFiled: July 3, 2007Date of Patent: February 23, 2010Inventors: Luis Fabricio Medina-Bolivar, Maureen Dolan, Selester Bennett, Jose M. Condori, John F. Hubstenberger
-
Patent number: 7663022Abstract: Transgenic plants, and a method for making the same, wherein genes encoding the enzyme luciferase and its corresponding substrate luciferin are incorporated into a native plant genome. Once transformed into plant cells, these genes may be regulated such that under certain endogenous or exogenous conditions, their expression in the mature plant results in bioluminescence. Different luciferin/luciferase complexes and/or mechanisms of regulation may be utilized for these transgenic plants, depending on a variety of factors such as plant species and the circumstances under which a bioluminescent reaction is desired. Phototransformation may be utilized to vary the wavelength of light emitted from the mature plant.Type: GrantFiled: May 18, 2006Date of Patent: February 16, 2010Inventor: Bruce Eric Hudkins
-
Patent number: 7642404Abstract: A process of producing a transgenic multi-cellular plants or parts thereof expressing a trait of interest, said trait having a controlled distribution of said trait to progeny, wherein said process comprises (i) producing a first plant or a cell thereof having in a first locus of a nuclear chromosome a first heterologous nucleotide sequence comprising a first fragment of a nucleotide sequence encoding said trait of interest, (ii) producing a second plant or a cell thereof having in a second locus of a nuclear chromosome homologous to said nuclear chromosome of step (i), a second heterologous nucleotide sequence comprising a second fragment of the nucleotide sequence encoding said trait of interest, and (iii) hybridising said first and said second plant or cells thereof to generate progeny exhibiting said functional trait of interest due to binding between a protein or polypeptide encoded by said first heterologous nucleotide sequence and a protein or polypeptide encoded by said second heterologous nucleotideType: GrantFiled: March 21, 2003Date of Patent: January 5, 2010Assignee: ICON Genetics GmbHInventors: Stefan Werner, Anatoly Giritch, Serik Eliby, Sylvestre Marillonnet, Victor Klimyuk, Yuri Gleba
-
Publication number: 20090313726Abstract: The present invention relates to an abiotic stress tolerant transgenic plant comprising an Am244 DNA from Avicennia marina. The invention also relates to isolation and characterization of a cDNA corresponding to abiotic stress tolerant gene (Am244 DNA) from Avicennia marina. It further relates to a method for producing abiotic salt-tolerant transgenic plants, plant cells and plant tissues capable of over expressing the Am244 DNA thereby conferring abiotic stress tolerance such as salt, drought and dehydration to otherwise abiotic stress sensitive plant species.Type: ApplicationFiled: September 7, 2006Publication date: December 17, 2009Applicant: M.S. SWAMINATHAN RESEARCH FOUNDATIONInventors: Ajay Parida, Gayatri Venkatraman
-
Patent number: 7619138Abstract: The present invention relates to a new plant breeding process. The process improves the agronomic performance of crop plants by using genetic material that is also used in classical breeding. Instead of sexually recombining entire genomes at random, as is done in classical breeding, specific genetic elements are rearranged in vitro and inserted back into individual plant cells. Plants obtained through this new plant breeding process do not contain foreign nucleic acid but only contain nucleic acid from the plant species selected for transformation or plants that are sexually compatible with the selected plant species. Plants developed through this new plant breeding process are provided. In particular, potato plants displaying improved tuber storage and health characteristics are provided.Type: GrantFiled: March 15, 2006Date of Patent: November 17, 2009Assignee: J. R. Simplot CompanyInventors: Caius Rommens, Jingsong Ye, Jaime Menendez-Humara, Hua Yan, Craig Richael, W. Leigh Brinkerhoff, Kathy M. M. Swords
-
Patent number: 7611898Abstract: The invention provides methods for transforming monocotyledonous plants with Agrobacterium, for example, using stolons as a target tissue. The invention allows creation of transgenic plants without the need for callus as a target tissue for transformation, thus providing a rapid method for the production of transgenic plants. The ability to directly regenerate transgenic plants from stolons significantly reduces the time, labor and other complications required to produce transgenic plants. Plants produced by such methods are also provided by the invention.Type: GrantFiled: May 9, 2006Date of Patent: November 3, 2009Assignee: The Samuel Roberts Noble FoundationInventors: Zengyu Wang, Yaxin Ge
-
Publication number: 20090271896Abstract: The invention provides methods and compositions for enhancing the efficiency of Agrobacterium-mediated transformation of host cells such as plant cells. Plant expression constructs comprising a gene encoding a VIP2 or VIP2-like polypeptide are provided, as well as methods for utilizing such constructs to enhance Agrobacterium-mediated transformation efficiency.Type: ApplicationFiled: August 7, 2007Publication date: October 29, 2009Inventors: Ajith Anand, Kirankumar Mysore
-
Publication number: 20090263902Abstract: A method for regulating expression of a virulence gene of Agrobacterium is described. The method comprises the steps of stimulating cereal cells, such as sorghum, so as to produce an active, typically phenolic, compound and exposing the Agrobacterium to this compound. The compound induces expression of the virulence gene of the Agrobacterium, effecting T-DNA transfer from the Agrobacterium to the cereal cells, which are thereby transformed.Type: ApplicationFiled: January 21, 2009Publication date: October 22, 2009Applicants: CSIR, Pioneer Hi-Bred International IncorporatedInventors: Luke MEHLO, Zuo-Yu Zhao
-
Patent number: 7605247Abstract: This invention relates to an isolated nucleic acid fragment encoding a sucrose transport protein. The invention also relates to the construction of a chimeric gene encoding all or a portion of the sucrose transport protein, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the sucrose transport protein in a transformed host cell.Type: GrantFiled: September 18, 2007Date of Patent: October 20, 2009Assignee: E.I. du Point de Nemours and CompanyInventors: Stephen M. Allen, William D. Hitz, J. Antoni Rafalski
-
Patent number: 7601536Abstract: The present invention provides nucleic acid molecules and sequences, particularly those identified and obtained from plants, that are useful for transferring and integrating one polynucleotide into another via plant transformation techniques.Type: GrantFiled: September 7, 2005Date of Patent: October 13, 2009Assignee: J. R. Simplot CompanyInventors: Caius Rommens, Oleg V. Bougri, Hua Yan
-
Patent number: 7598430Abstract: The present invention provides methods for producing transgenic plants based on an optimized transfer of DNA from Agrobacterium to plant cells, and/or on an optimized integration of the transferred DNAs into plant cell genomes. It also provides Agrobacterium-transformation vectors that can be used to limit or eliminate the transfer of undesirable DNA. The present invention can be applied to essentially any species of plants, including many recalcitrant plant species.Type: GrantFiled: March 20, 2003Date of Patent: October 6, 2009Assignee: J.R. Simplot CompanyInventors: J. Troy Weeks, Caius Rommens
-
Patent number: 7592508Abstract: A method is disclosed for producing a transgenic cotton plant by Agrobacterium-mediated transformation of petiole tissue. The method comprises the steps of (a) obtaining cotton petiole explants, (b) exposing the petiole explants to a culture of Agrobacterium tumefaciens that harbors a vector comprising an exogenous gene and a selectable marker, the Agrobacterium being capable of effecting the stable transfer of the exogenous gene and selection agent resistance gene to the genome of the cells of the petiole explant, (c) culturing the petiole explants to induce callus formation, (d) selecting transformed callus that expresses the exogenous gene, (e) culturing the selected callus in suspension culture to induce formation of embryoids, (f) regenerating the embryoids into whole transgenic cotton plants.Type: GrantFiled: June 11, 1999Date of Patent: September 22, 2009Assignee: Temasek Life Sciences Laboratory LimitedInventors: Zhi Xian Chen, Lian Hui Zhang
-
Patent number: 7572635Abstract: The present invention relates to a novel system for generating transformed dihaploid plants from haploid cells and tissues without the use of chromosome doubling agents.Type: GrantFiled: June 9, 2005Date of Patent: August 11, 2009Assignee: Monsanto Technology LLCInventors: Charles L. Armstrong, David R. Duncan, Vladimir Sidorov
-
Publication number: 20090191636Abstract: The present invention provides a method for producing a transgenic graminaceous plant cell, said method comprising: (i) obtaining embryonic cells from a mature graminaceous grain; and (ii) contacting said embryonic cells with a bacterium capable of transforming a plant cell, said bacterium comprising transfer-nucleic acid to be introduced into the embryonic cells, said contacting being for a time and under conditions sufficient for said bacterium to introduce said transfer-nucleic acid into one or more of the embryonic cells, thereby producing a transgenic graminaceous plant cell. The present invention also provides a method for producing a transgenic graminaceous plant. The present invention also provides a transgenic graminaceous plant cell and/or a transgenic graminaceous plant produced by said method. The present invention also provides a method for expressing a nucleic acid in a transgenic graminaceous plant cell or a transgenic graminaceous plant.Type: ApplicationFiled: January 11, 2007Publication date: July 30, 2009Inventors: Carl McDonald Ramage, German Spangenberg, Dalia Vishnudasan
-
Patent number: 7554007Abstract: Provided are methods of increasing the tolerance of a plant to abiotic stresses and/or increasing the biomass and/or increasing the yield of a plant by expressing within the plant an exogenous polynucleotide homologous to SEQ ID NO:13.Type: GrantFiled: November 22, 2005Date of Patent: June 30, 2009Assignee: Evogene Ltd.Inventors: Gil Ronen, Ezekiel Golan, Hagai Karchi, Rafael Meissner
-
Patent number: 7534934Abstract: The present invention relates to a method for identifying and isolating native plant nucleic acid sequences that may function as T-DNAs or T-DNA border-like sequences, effecting the transfer of one polynucleotide into another polynucleotide. The present invention also provides a modified tuber, such as a genetically modified mature tuber, that comprises at least one trait that is not exhibited by a non-modified tuber of the same species.Type: GrantFiled: June 27, 2003Date of Patent: May 19, 2009Assignee: J.R. Simplot CompanyInventors: Caius Rommens, Jingsong Ye, Jaime Menendez-Humara, Hua Yan, Kathy Swords
-
Publication number: 20090111145Abstract: Process of producing in a plant, in plant tissue, or in plant cells a hetero-oligomeric protein comprising at least a first and a second protein subunit, said process comprising expressing in plant cells at least said first and said second protein subunit by (i) providing to said plant, said plant tissue or said plant cells a plus-sense single-stranded RNA viral vector encoding at least said first and said second protein subunit or (ii) providing to said plant, said plant tissue or said plant cells a first and a second plus-sense single-stranded RNA viral vector, said first viral vector encoding at least said first protein subunit, said second viral vector encoding at least said second protein subunit, whereby at least said first viral vector and said second viral vector are non-competing viral vectors.Type: ApplicationFiled: January 27, 2006Publication date: April 30, 2009Applicant: Icon Genetics GmbHInventors: Anatoly Giritch, Sylvestre Marillonnet, Victor Klimyuk, Yuri Gleba
-
Publication number: 20090100548Abstract: The present invention relates to unique strategies and constructs for producing a nucleic acid product that downregulates or prevents expression of a desired target polynucleotide.Type: ApplicationFiled: September 23, 2005Publication date: April 16, 2009Inventors: Caius Rommens, Hua Yan, Oleg Bougri, Kathy M.M. Swords
-
Patent number: RE42415Abstract: The present invention relates to polynucleotide molecules for regulating gene expression in plants. In particular, the invention relates to promoters that are useful for regulating gene expression of heterologous polynucleotide molecules in plants. The invention also relates to expression constructs and transgenic plants containing the heterologous polynucleotide molecules.Type: GrantFiled: December 29, 2009Date of Patent: May 31, 2011Assignee: Monsanto Technology LLCInventors: Diane M. Ruezinsky, Deborah J. Hawkins, Santiago Navarro, Laurence D. Parnell