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Rice Douglas, Carozzi Nadine, Lotstein Richard, Rothstein Steven Jay, Shillito Raymond Douglas, Carswell Gleta, Harms Christian, Bowman Cindy Grimmer, Chang Yin Fu: Zea mays plants and transgenic zea mays plants regenerated from protoplasts or protoplast-derived cells.. Ciba-Geigy, November 23, 1988: EP0292435-A1 (172 worldwide citation)

Methods of regenerating fertile Zea mays plants from protoplasts or protoplast-derived cells are described. The protoplasts or cells may be derived from embryogenic cell cultures or callus cultures. The protoplasts, cells and resulting plants may be transgenic, containing, for example, chimeric gene ...


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Leemans Jan, Botterman Johan, de Block Marc, Thompson Charles, Maouva Rao: Plant cells resistant to glutamine synthetase inhibitors, made by genetic engineering.. Plant Genetic Systems, Biogen, October 21, 1987: EP0242236-A1 (172 worldwide citation)

The invention relates to a DNA fragment containing a determined gene, the expression of which inhibits the antibiotic and herbicidal effects of Bialaphos and related products. It also relates to recombinant vectors, containing such DNA fragment, which enable this protective gene to be introduced and ...


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Zuo Yu Zhao, Weining Gu, Tishu Cai, Dorothy A Pierce: Methods for agrobacterium-mediated transformation. Pioneer Hi Bred International, Pioneer Hi Bred International, November 9, 1999: US05981840 (170 worldwide citation)

The present invention relates to methods for improving the transformation frequency of Agrobacterium-mediated transformation of maize embryos. A preferred method for transforming maize using Agrobacterium comprises the steps of: contacting at least one immature embryo from a maize plant with Agrobac ...


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Boel Esper, Christensen Tove, Woldike Helle Fabricius: Process for the production of protein products in aspergillus oryzae and a promoter for use in aspergillus.. Novo Industri, September 23, 1987: EP0238023-A2 (170 worldwide citation)

Proteins (I) are expressed in Aspergillus oryzae by first transforming the host with a recombinant DNA cloning vector which can integrate into the genome (in one or more copies) and which comprises (1) sequences facilitating gene expression; (2) a selection marker, and (3) the sequence coding for (I ...


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Adang Michael A, Kemp John D: Insect resistant plants.. Agrigenetics Res Ass, May 29, 1985: EP0142924-A2 (170 worldwide citation)

A method for introducing expressible insecticidal protein structural genes into plant genomes is provided. In the preferred embodiments this invention comprises placing a structural gene for the Bacillus thuringiensis crystal protein under control of a plant or a T-DNA promoter and ahead of a poly-a ...


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A Graham Sparkes: Family group of successive radiation induced chrysanthemum mutants named snapper. Charles W Rummler, October 7, 1986: US04616099 (169 worldwide citation)

This invention comprises a family of distinctive chrysanthemum morifolium cultivars originating from a selected seedling of a genotype produced by cross-breeding and developed from the genotype by irradiation of selected clones of successive mutants induced by radiation.


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Kenneth A Hibberd, Paul C Anderson, Melanie Barker: Tryptophan overproducer mutants of cereal crops. Molecular Genetics Research and Development, Pennie & Edmonds, April 15, 1986: US04581847 (169 worldwide citation)

This invention is directed to the production of novel plant genotypes or lines which produce increased free tryptophan levels and are resistant to inhibition by analogs which normally inhibit the activity of the enzyme anthranilate synthase before alteration. This invention further relates to genes ...


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David M Stalker: Haloarylnitrile degrading gene, its use, and cells containing the gene. Rhone Poulenc Agrochimie, Morgan & Finnegan, March 7, 1989: US04810648 (167 worldwide citation)

Nitrilase enzymes specific for the hyrdolsis of the nitrile group of bromoxynil, nucleotide sequences encoding for such enzymes, and transformed cells in which the nitrilase expression if foreign are provided. The transformed cells are capable of expressing the nitrilase enzyme to provide detoxifica ...


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Stephen L Goldman, Anne C F Graves: Process for transforming corn and the products thereof. University of Toledo, Willian Brinks Olds Hofer Gilson & Lione, January 5, 1993: US05177010 (161 worldwide citation)

A method of producing transformed corn comprising making a wound in a corn seedling in an area of the corn seedling containing rapidly dividing cells and inoculating the wound with vir.sup.+ Agrobacterium tumefaciens. Also, this same method wherein the vir.sup.+ A. tumefaciens contains a vector comp ...