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).

  • Publication number: 20130007912
    Abstract: The invention provides isolated pyruvate dehydrogenase kinase nucleic acids and their encoded polypeptides. The present invention provides methods and compositions relating to altering pyruvate dehydrogenase kinase levels in plants. The invention further provides recombinant expression cassettes, host cells, transgenic plants, and antibody compositions.
    Type: Application
    Filed: September 13, 2012
    Publication date: January 3, 2013
    Applicant: EI DU PONT DE NEMOURS AND COMPANY; AND PIONEER HI-BRED INTERNATIONAL INC
    Inventors: Quinn Qun Zhu, Sabine S. Hantke, Xiping Niu, Zheng Peihong, Michele Morgante, Joan T. Odell, Saverio Carl Falco, Yiwen Fang, J. Antoni Rafalski, Hajime Sakai, Edgar B. Cahoon, Rebecca E. Cahoon, Jian-Ming Lee, Guo-Hua Miao, Zhongsen Li, Anthony J. Kinney
  • Publication number: 20120331581
    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: August 27, 2012
    Publication date: December 27, 2012
    Inventors: Rebecca E. Cahoon, Hajime Sakai, J. Antoni Rafalski
  • Patent number: 8304608
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a transcription factor. The invention also relates to the construction of a chimeric gene encoding all or a portion of the transcription factor, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of accumulated oil in a transformed host cell.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: November 6, 2012
    Assignee: E I du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Theodore Mitchell Klein
  • Publication number: 20120272407
    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: Application
    Filed: July 5, 2012
    Publication date: October 25, 2012
    Applicant: E.I. Dupont de Neumours and Company
    Inventors: Edgar B. Cahoon, Sean J. Coughlan, Rebecca E. Cahoon, Karlene H. Butler
  • Patent number: 8288616
    Abstract: The invention provides isolated pyruvate dehydrogenase kinase nucleic acids and their encoded polypeptides. The present invention provides methods and compositions relating to altering pyruvate dehydrogenase kinase levels in plants. The invention further provides recombinant expression cassettes, host cells, transgenic plants, and antibody compositions.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: October 16, 2012
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Edgar Benjamin Cahoon, Rebecca E. Cahoon, Saverio Carl Falco, Yiwen Fang, Sabine S. Hantke, Anthony J. Kinney, Jian-Ming Lee, Zhongsen Li, Guo-Hua Miao, Michele Morgante, Xiping Niu, Joan T. Odell, J. Antoni Rafalski, Hajime Sakai, Peizhong Zheng, Quinn Qun Zhu
  • Patent number: 8278431
    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: Grant
    Filed: August 12, 2011
    Date of Patent: October 2, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Hajime Sakai, J. Antoni Rafalski
  • Patent number: 8269076
    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: October 14, 2009
    Date of Patent: September 18, 2012
    Assignee: E.I. DuPont de Nemours and Co.
    Inventors: Edgar B. Cahoon, Sean J. Coughlan, Rebecca E. Cahoon, Karlene H. Butler
  • Publication number: 20120167255
    Abstract: Isolated nucleic acid fragments and recombinant constructs comprising such fragments for altering embryo/endosperm size during seed development are disclosed along with a method of controlling embryo/endosperm size during seed development in plants.
    Type: Application
    Filed: February 27, 2012
    Publication date: June 28, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: REBECCA E. CAHOON, Elmer P. Heppard, Hajime Sakai, Nobuhiro Nagasawa
  • Publication number: 20120110694
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a Myb-related transcription factor. The invention also relates to the construction of a chimeric gene encoding all or a portion of the Myb-related transcription factor, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the Myb-related transcription factor in a transformed host cell.
    Type: Application
    Filed: January 2, 2012
    Publication date: May 3, 2012
    Inventors: Rebecca E. Cahoon, Viwen Fang, Joan T. Odell, Zude Weng
  • Patent number: 8153860
    Abstract: Isolated nucleic acid fragments and recombinant constructs comprising such fragments for altering embryo/endosperm size during seed development are disclosed along with a method of controlling embryo/endosperm size during seed development in plants.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: April 10, 2012
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Elmer P. Heppard, Hajime Sakai, Nobuhiro Nagasawa
  • Publication number: 20120010100
    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: Application
    Filed: September 23, 2011
    Publication date: January 12, 2012
    Applicant: E. I. DE PONT DE NEMOURS AND COMPANY AND PIONEER HI-BRED INTERNATIONAL
    Inventors: Rebecca E. Cahoon, Timothy George Helentjaris, Guo-Hua Miao
  • Publication number: 20120004125
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a diacylglycerol acyltransferase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the diacylglycerol acyltransferase, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the diacylglycerol acyltransferase in a transformed host cell.
    Type: Application
    Filed: December 22, 2010
    Publication date: January 5, 2012
    Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Rebecca E. Cahoon, Edgar Benjamin Cahoon, Karlene H. Butler, Anthony J. Kinney
  • Publication number: 20110321189
    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: August 12, 2011
    Publication date: December 29, 2011
    Inventors: Rebecca E. Cahoon, J. Antoni Rafalski, Hajime Sakai
  • Publication number: 20110258741
    Abstract: This invention relates to isolated polynucleotides encoding WUS polypeptides. The invention further provides isolated WUS polypeptides. The invention also provides methods of using the polynucleotides to modulate the level of WUS, improve transformation efficiency, to stimulate plant cell growth, including stem cells, to stimulate organogenesis, to stimulate somatic embryogenesis, to induce apomixis, and to provide a positive selection for cells comprising the polynucleotide. The invention also relates to cells, plants and seeds comprising the polynucleotides of the invention or produced by the methods of the invention.
    Type: Application
    Filed: June 24, 2011
    Publication date: October 20, 2011
    Applicants: PIONEER HI-BRED INTERNATIONAL INC., E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Rebecca E. Cahoon, Keith S. Lowe, William J. Gordon-Kamm, Yumin Tao, Christopher J. Scelonge
  • Patent number: 8039689
    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: October 28, 2010
    Date of Patent: October 18, 2011
    Assignees: E.I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: Rebecca E. Cahoon, Timothy George Helentjaris, Guo-Hua Miao
  • Patent number: 8022196
    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: Grant
    Filed: September 25, 2008
    Date of Patent: September 20, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Hajime Sakai, J. Antoni Rafalski
  • Publication number: 20110214204
    Abstract: The invention provides isolated pyruvate dehydrogenase kinase nucleic acids and their encoded polypeptides. The present invention provides methods and compositions relating to altering pyruvate dehydrogenase kinase levels in plants. The invention further provides recombinant expression cassettes, host cells, transgenic plants, and antibody compositions.
    Type: Application
    Filed: May 12, 2011
    Publication date: September 1, 2011
    Applicant: EI DU PONT DE NEMOURS AND COMPANY; AND PIONEER HI-BRED INTERNATIONAL INC
    Inventors: Quinn Qun Zhu, Sabine S. Hantke, Xiping Niu, Zheng Peizhong, Michele Morgante, Joan T. Odell, Saverio Carl Falco, Yiwen Fang, J. Antoni Rafalski, Hajime Sakai, Edgar B. Cahoon, Rebecca E. Cahoon, Jian-Ming Lee, Guo-Hua Miao, Zhongsen Li, Anthony J. Kinney
  • Patent number: 7994391
    Abstract: This invention relates to isolated polynucleotides encoding WUS polypeptides. The invention further provides isolated WUS polypeptides. The invention also provides methods of using the polynucleotides to modulate the level of WUS, improve transformation efficiency, to stimulate plant cell growth, including stem cells, to stimulate organogenesis, to stimulate somatic embryogenesis, to induce apomixis, and to provide a positive selection for cells comprising the polynucleotide. The invention also relates to cells, plants and seeds comprising the polynucleotides of the invention or produced by the methods of the invention.
    Type: Grant
    Filed: January 23, 2008
    Date of Patent: August 9, 2011
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: Rebecca E. Cahoon, William James Gordon-Kamm, Yumin Tao, Keith S. Lowe, Christopher Jay Scelonge
  • Publication number: 20110191895
    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: Application
    Filed: October 28, 2010
    Publication date: August 4, 2011
    Applicants: Pioneer Hi-Bred International
    Inventors: Rebecca E. Cahoon, Timothy George Helentjaris, Guo-Hua Miao
  • Publication number: 20110185450
    Abstract: This invention relates to an isolated nucleic acid fragment encoding a 1-deoxy-D-xylulose 5-phosphate reductoisomerase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the 1-deoxy-D-xylulose 5-phosphate reductoisomerase, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the 1-deoxy-D-xylulose 5-phosphate reductoisomerase in a transformed host cell.
    Type: Application
    Filed: November 3, 2010
    Publication date: July 28, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Rebecca E. Cahoon, Yong Tao