Patents by Inventor Rebecca E. Cahoon

Rebecca E. Cahoon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Geranylgeranyl pyrophosphate synthases
    Patent number: 7199283
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a geranylgeranyl pyrophosphate synthase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the geranylgeranyl pyrophosphate synthase, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the geranylgeranyl pyrophosphate synthase in a transformed host cell.
    Type: Grant
    Filed: January 10, 2005
    Date of Patent: April 3, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Mark E. Williams
  • Chlorophyllases
    Patent number: 7199284
    Abstract: This invention relates to isolated polynucleotides encoding chlorophyllases. The invention also relates to the construction of recombinant DNA fragments comprising all or a portion of the isolated chlorophyllase-encoding polynucleotides, in sense or antisense orientation, wherein expression of the recombinant DNA fragment results in production of altered levels of chlorophyllase in a transformed host cell.
    Type: Grant
    Filed: March 21, 2003
    Date of Patent: April 3, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Edgar B. Cahoon, Rebecca E. Cahoon, Catherine J. Thorpe
  • Rice 1-deoxy-D-xylulose 5-phosphate synthase and DNA encoding thereof
    Patent number: 7195887
    Abstract: This invention relates to an isolated nucleic acid fragment encoding an isopentenyl diphosphate biosynthetic enzyme. The invention also relates to the construction of a chimeric gene encoding all or a portion of the isopentenyl diphosphate biosynthetic enzyme, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the isopentenyl diphosphate biosynthetic enzyme in a transformed host cell.
    Type: Grant
    Filed: August 3, 2006
    Date of Patent: March 27, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Yong Tao
  • Polynucleotides encoding phosphoribosylanthranilate isomerase
    Patent number: 7192758
    Abstract: This invention relates to isolated nucleic acid fragments encoding phosphoribosylanthranilate isomerases, a tryptophan biosynthetic enzyme. The invention also relates to the construction of a chimeric gene comprising the nucleic acid fragment, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the phosphoribosylanthranilate isomerase in a transformed host cell.
    Type: Grant
    Filed: November 15, 2002
    Date of Patent: March 20, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Steven Gutteridge, Steven Vollmer
  • Plant viral movement protein genes
    Patent number: 7186885
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a viral movement protein. The invention also relates to the construction of a chimeric gene encoding all or a substantial portion of the viral movement protein, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the viral movement protein in a transformed host cell.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: March 6, 2007
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Enno Krebbers, Zude Weng, Rebecca E. Cahoon
  • Isolated LEC1 transcriptional regulator encoding nucleic acids and methods of use thereof
    Patent number: 7166765
    Abstract: The invention provides isolated nucleic acids and their encoded proteins which act as transcriptional activators and methods of use thereof. The invention further provides expression cassettes, transformed host cells, transgenic plants and plant parts.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: January 23, 2007
    Assignees: Pioneer Hi-Bred International, Inc., E. I. du Pont de Nemours and Company
    Inventors: Keith S. Lowe, William J. Gordon-Kamm, Theodore M. Klein, Sonriza Rasco-Gaunt, Rebecca E. Cahoon, Xifan Sun, George J. Hoerster, Carolyn Gregory, Ramgopal Nadimpalli, Yumin Tao
  • Alteration of oil traits in plants
    Patent number: 7157621
    Abstract: The preparation and use of nucleic acid fragments useful in altering the oil phenotype in plants are disclosed. Chimeric construct incorporating such nucleic acid fragments and suitable regulatory sequences can be used to create transgenic plants having altered lipid profiles. Methods for altering the oil phenotype in plants using such nucleic acid fragments also are disclosed.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: January 2, 2007
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: Stephen M. Allen, William B. Allen, Rebecca E. Cahoon, Sabine Epelbaum, Omolayo O. Famodu, Leslie T. Harvell, Todd J. Jones, Anthony J. Kinney, Theodore M. Klein, Changjiang Li, Igor Cunha Oliveira, Hajime Sakai, Bo Shen, Mitchell C. Tarczynski
  • Compositions and methods for altering tocotrienol content
    Patent number: 7154029
    Abstract: The invention provides isolated nucleic acids and their encoded polypeptides that alter tocol content in seeds. The invention further provides expression cassettes, host cells and transformed plants containing the nucleic acids. The present invention further provides methods for altering tocol content in seeds.
    Type: Grant
    Filed: February 24, 2003
    Date of Patent: December 26, 2006
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Edgar B. Cahoon, Sean J. Coughlan, Rebecca E. Cahoon, Karlene H. Butler
  • Plant caffeic acid 3-O-methyltransferase homologs
    Patent number: 7129088
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a protein involved in phenylpropanoid metabolism. The invention also relates to the construction of a chimeric gene encoding all or a portion of the protein involved in phenylpropanoid metabolism, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the protein involved in phenylpropanoid metabolism in a transformed host cell.
    Type: Grant
    Filed: June 17, 2003
    Date of Patent: October 31, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, J. Antoni Rafalski
  • Plant farnesyltransferases
    Patent number: 7109391
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a farnesyltransferase subunit. The invention also relates to the construction of a chimeric gene encoding all or a portion of the farnesyltransferase subunit, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the farnesyltransferase subunit in a transformed host cell.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: September 19, 2006
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: Rebecca E. Cahoon, Timothy George Helentjaris, Guo-Hua Miao
  • Phytic acid biosynthetic enzymes
    Patent number: 7102058
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a phytic acid biosynthetic enzyme. The invention also relates to the construction of a chimeric gene encoding all or a portion of the phytic acid biosynthetic enzyme, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the phytic acid biosynthetic enzyme in a transformed host cell.
    Type: Grant
    Filed: July 20, 2003
    Date of Patent: September 5, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Scott V. Tingey
  • Inhibitors of apoptosis proteins in plants
    Patent number: 7071382
    Abstract: This invention relates to an isolated nucleic acid fragment encoding an apoptosis inhibitory protein. The invention also relates to the construction of a chimeric gene encoding all or a portion of the apoptosis inhibitory protein, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the apoptosis inhibitory protein in a transformed host cell.
    Type: Grant
    Filed: October 7, 2003
    Date of Patent: July 4, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Perry G. Caimi, Theodore M. Klein, Michele Morgante, Hajime Sakai, Jennie Bih-Jien Shen, Scott V. Tingey
  • Inositol polyphosphate kinase genes and uses thereof
    Patent number: 7067720
    Abstract: This invention relates to newly identified polynucleotides and polypeptides in the phytic acid biosynthetic pathway, variants and derivatives of same; methods for making the polynucleotides, polypeptides, variants, derivatives and antagonists. In particular the invention relates to polynucleotides and polypeptides of the inositol polyphosphate kinase gene family. In particular this invention relates to using the newly identified polynucleotides and polypeptides to modulate the phytic acid biosynthesis in such a way as to decrease phytate and/or increase non-phytate phosphorous, especially in corn or soy animal feedstuffs.
    Type: Grant
    Filed: January 9, 2002
    Date of Patent: June 27, 2006
    Assignees: Pioneer Hi-Bred International, Inc.
    Inventors: Jinrui Shi, Hongyu Wang, Larry R. Beach, Jan Antoni Rafalski, Rebecca E. Cahoon
  • Plant RNA-directed RNA polymerase proteins
    Patent number: 7060813
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a RNA-directed RNA polymerase. The invention also relates to the construction of a chimeric gene encoding all or a substantial portion of the RNA-directed RNA polymerase, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the RNA-directed RNA polymerase in a transformed host cell.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: June 13, 2006
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: Joan T. Odell, Rebecca E. Cahoon, Jimei Wang, Gan-Yuan Zhong, Karlene H. Butler
  • Polynucleotides encoding aminolevulinic acid biosynthetic enzymes
    Patent number: 6916971
    Abstract: This invention relates to an isolated nucleic acid fragment encoding an aminolevulinic acid biosynthetic enzyme. The invention also relates to the construction of a chimeric gene encoding all or a portion of the aminolevulinic acid biosynthetic enzyme, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the aminolevulinic acid biosynthetic enzyme in a transformed host cell.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: July 12, 2005
    Inventors: Rebecca E. Cahoon, Steven Gutteridge, J. Antoni Rafalski
  • Plant protein disulfide isomerases
    Patent number: 6864403
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a protein disulfide isomerase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the protein disulfide isomerase, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the protein disulfide isomerase in a transformed host cell.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: March 8, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Guo-Hua Miao, Rafael Herrmann, J. Antoni Rafalski, Billy F. McCutchen
  • Membrane-bound desaturases
    Patent number: 6864077
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a delta-6 desaturase or sphingolipid desaturase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the delta-6 desaturase or sphingolipid desaturase, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the delta-6 desaturase or sphingolipid desaturase in a transformed host cell.
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: March 8, 2005
    Inventors: Edgar B. Cahoon, Rebecca E. Cahoon, William D. Hitz, Anthony J. Kinney
  • Lysophosphatidic acid acetyltransferases
    Patent number: 6855863
    Abstract: An isolated nucleic acid fragment encoding an LPAAT isozyme is disclosed. Construction of a chimeric gene encoding all or a portion of the LPAAT isozyme, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the LPAAT isozyme in a transformed host cell is also disclosed.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: February 15, 2005
    Assignee: E.I. duPont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Anthony J. Kinney, Kevin G. Ripp
  • Geranylgeranyl pyrophosphate synthases
    Patent number: 6855868
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a geranylgeranyl pyrophosphate synthase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the geranylgeranyl pyrophosphate synthase, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the geranylgeranyl pyrophosphate synthase in a transformed host cell.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: February 15, 2005
    Assignee: E.I. duPont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Mark E. Williams
  • Phytic acid biosynthetic enzymes
    Patent number: 6855869
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a phytic acid biosynthetic enzyme. The invention also relates to the construction of a chimeric gene encoding all or a portion of the phytic acid biosynthetic enzyme, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the phytic acid biosynthetic enzyme in a transformed host cell.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: February 15, 2005
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, William D. Hitz, Richard W. Pearlstein, Thomas J. Carlson