Patents by Inventor Leslie T. Harvell

Leslie T. Harvell 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).

  • Alteration of Oil Traits in Plants
    Publication number: 20090249517
    Abstract: The preparation and use of nucleic acid fragments useful in altering the phenotype in plants are disclosed. Chimeric constructs incorporating such nucleic acid fragments and suitable regulatory sequences can be used to create transgenic plants having altered phenotypes. Methods for altering the phenotype of plants using such nucleic acid fragments also are disclosed.
    Type: Application
    Filed: April 24, 2009
    Publication date: October 1, 2009
    Inventors: Stephen M. Allen, William B. Allen, Rebecca E. Cahoon, Sabine Epelbaum, Omolaya 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
  • Alteration of Oil Traits in Plants
    Publication number: 20090235391
    Abstract: The preparation and use of nucleic acid fragments useful in altering the oil phenotype in plants are disclosed. Chimeric constructs 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: Application
    Filed: April 24, 2009
    Publication date: September 17, 2009
    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
  • POLYNUCLEOTIDES AND POLYPEPTIDES INVOLVED IN POST-TRANSCRIPTIONAL GENE SILENCING
    Publication number: 20090055967
    Abstract: This invention relates to isolated nucleic acid fragments encoding polypeptides involved in post-transcriptional gene silencing. The invention also relates to construction of a recombinant DNA construct encoding all or a portion of the polypeptide involved in post-transcriptional gene silencing, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels in a transformed host cell of the polypeptide involved in post-transcriptional gene silencing.
    Type: Application
    Filed: September 25, 2008
    Publication date: February 26, 2009
    Applicant: E. I. du Pont de Nemours and Company
    Inventors: Karlene H. Butler, Rebecca E. Cahoon, Leslie T. Harvell, J. Antoni Rafalski, Hajime Sakai
  • Alteration of oil traits in plants
    Patent number: 7294759
    Abstract: The preparation and use of nucleic acid fragments useful in altering the oil phenotype in plants are disclosed. Recombinant DNA 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 26, 2002
    Date of Patent: November 13, 2007
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: William B. Allen, Rebecca E. Cahoon, Omolayo O. Famodu, Leslie T. Harvell, Timothy G. Helentjaris, Changjiang Li, Keith S. Lowe, Igor Cunha Oliveira, Bo Shen, Mitchell C. Tarczynski
  • Plant genes encoding pantothenate synthetase
    Patent number: 7271318
    Abstract: This invention relates to isolated nucleic acid fragments encoding pantothenate synthetases. The invention also relates to the construction of chimeric genes encoding all or a portion of the pantothenate synthetases, in sense or antisense orientation, wherein expression of the chimeric genes results in production of altered levels of the pantothenate synthetases in transformed host cells.
    Type: Grant
    Filed: August 18, 2006
    Date of Patent: September 18, 2007
    Assignee: E.I. Dupont de Nemours and Company
    Inventors: Steven Gutteridge, Leslie T. Harvell
  • Chalcone synthase
    Patent number: 7202397
    Abstract: An isolated nucleic acid fragment encoding a chalcone synthase is disclosed. Construction of a recombinant DNA construct encoding all or a portion of the chalcone synthase, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels of the chalcone synthase in a transformed host cell are also discussed.
    Type: Grant
    Filed: August 15, 2003
    Date of Patent: April 10, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Alexandre da Silva Conceicao, Leslie T. Harvell
  • 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
  • Plant genes encoding pantothenate synthetase
    Patent number: 7112722
    Abstract: This invention relates to isolated nucleic acid fragments encoding pantothenate synthetases. The invention also relates to the construction of chimeric genes encoding all or a portion of the pantothenate synthetases, in sense or antisense orientation, wherein expression of the chimeric genes results in production of altered levels of the pantothenate synthetases in transformed host cells.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: September 26, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Steven Gutteridge, Leslie T. Harvell
  • Peptide deformylase
    Patent number: 7034206
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a metalloprotease, more specifically peptide deformylase. The invention also relates to the construction of a recombinant DNA construct encoding all or a portion of peptide deformylase, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels of peptide deformylase in a transformed host cell.
    Type: Grant
    Filed: February 6, 2003
    Date of Patent: April 25, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Karlene H. Butler, Steven Gutteridge, Leslie T. Harvell
  • Granule-bound starch synthase
    Patent number: 6930226
    Abstract: This invention relates to isolated nucleic acid fragments encoding granule-bound starch synthase. The invention also relates to the construction of a recombinant DNA construct encoding all or a portion of the granule-bound starch synthase, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels of the granule-bound starch synthase in a transformed host cell.
    Type: Grant
    Filed: May 2, 2002
    Date of Patent: August 16, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Karen E. Broglie, Karlene H. Butler, Leslie T. Harvell, Jonathan E. Lightner, Emil M. Orozco, Jr.
  • Plant genes encoding pantothenate synthetase
    Patent number: 6881878
    Abstract: This invention relates to isolated nucleic acid fragments encoding pantothenate synthetases. The invention also relates to the construction of chimeric genes encoding all or a portion of the pantothenate synthetases, in sense or antisense orientation, wherein expression of the chimeric genes results in production of altered levels of the pantothenate synthetases in transformed host cells.
    Type: Grant
    Filed: November 13, 2001
    Date of Patent: April 19, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Steven Gutteridge, Leslie T. Harvell, Emil M. Orozco, Jr.
  • Nucleic acids encoding a phytochelatin synthase and uses thereof
    Patent number: 6844485
    Abstract: The present invention relates to isolated nucleic acids encoding a polypeptide having phytochelatin synthase activity. The invention also relates to recombinant DNA constructs comprising said nucleic acids; host cells transformed with said recombinant DNA constructs, and a method for producing recombinant phytochelatin synthase in said transformed host cells.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: January 18, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Karlene H. Butler, Omolayo O. Famodu, Leslie T. Harvell, Emil M. Orozco, Jr., Sonriza Rasco-Gaunt, Catherine J. Thorpe
  • Chalcone synthase
    Publication number: 20040181823
    Abstract: An isolated nucleic acid fragment encoding a chalcone synthase is disclosed. Construction of a recombinant DNA construct encoding all or a portion of the chalcone synthase, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels of the chalcone synthase in a transformed host cell are also discussed.
    Type: Application
    Filed: August 15, 2003
    Publication date: September 16, 2004
    Inventors: Alexandre da Silva Conceicao, Leslie T. Harvell
  • Obtusifoliol 14a-demethylase
    Publication number: 20030217384
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a cytochrome P450, more specifically obtusifoliol 14&agr;-demethylase. The invention also relates to the construction of a recombinant DNA construct encoding all or a portion of obtusifoliol 14&agr;-demethylase, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels of obtusifoliol 14&agr;-demethylase in a transformed host cell.
    Type: Application
    Filed: January 23, 2003
    Publication date: November 20, 2003
    Inventors: Leslie T. Harvell, Brian McGonigle, Stephen O. Pember
  • Plant folate biosynthetic genes
    Patent number: 6642435
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a folate biosynthetic enzyme. The invention also relates to the construction of a chimeric gene encoding all or a portion of the folate biosynthetic enzyme, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the folate biosynthetic enzyme in a transformed host cell.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: November 4, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: J. Antoni Rafalski, Zude Weng, Leslie T. Harvell
  • Alteration of oil traits in plants
    Publication number: 20030204870
    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: Application
    Filed: June 27, 2002
    Publication date: October 30, 2003
    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
  • Peptide deformylase
    Publication number: 20030200559
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a metalloprotease, more specifically peptide deformylase. The invention also relates to the construction of a recombinant DNA construct encoding all or a portion of peptide deformylase, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels of peptide deformylase in a transformed host cell.
    Type: Application
    Filed: February 6, 2003
    Publication date: October 23, 2003
    Inventors: Karlene H. Butler, Saverio Carl Falco, Steven Gutteridge, Leslie T. Harvell
  • Plant folate biosynthetic genes
    Publication number: 20030177522
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a folate biosynthetic enzyme. The invention also relates to the construction of a chimeric gene encoding all or a portion of the folate biosynthetic enzyme, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the folate biosynthetic enzyme in a transformed host cell.
    Type: Application
    Filed: April 17, 2003
    Publication date: September 18, 2003
    Inventors: Emil M. Orozco, Zude Weng, Leslie T. Harvell
  • Plant genes encoding pantothenate synthetase
    Publication number: 20030167503
    Abstract: This invention relates to isolated nucleic acid fragments encoding pantothenate synthetases. The invention also relates to the construction of chimeric genes encoding all or a portion of the pantothenate synthetases, in sense or antisense orientation, wherein expression of the chimeric genes results in production of altered levels of the pantothenate synthetases in transformed host cells.
    Type: Application
    Filed: November 13, 2001
    Publication date: September 4, 2003
    Inventors: Steven Gutteridge, Leslie T. Harvell, Emil M. Orozco
  • Alteration of oil traits in plants
    Publication number: 20030126638
    Abstract: The preparation and use of nucleic acid fragments useful in altering the oil phenotype in plants are disclosed. Recombinant DNA 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: Application
    Filed: June 26, 2002
    Publication date: July 3, 2003
    Inventors: William B. Allen, Rebecca E. Cahoon, Omolayo O. Famodu, Leslie T. Harvell, Timothy G. Helentjaris, Changjiang Li, Keith S. Lowe, Igor Cunha Oliveira, Bo Shen, Mitchell C. Tarczynski