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).

  • POLYNUCLEOTIDES AND POLYPEPTIDES INVOLVED IN POST-TRANSCRIPTIONAL GENE SILENCING
    Publication number: 20160355834
    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 the polypeptide involved in post-transcriptional gene silencing.
    Type: Application
    Filed: August 23, 2016
    Publication date: December 8, 2016
    Inventors: Rebecca E. Cahoon, HAJIME SAKAI, J ANTONI RAFALSKI
  • Polynucleotides and polypeptides involved in post-transcriptional gene silencing
    Patent number: 9453236
    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: May 22, 2014
    Date of Patent: September 27, 2016
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Rebecca E. Cahoon, Hajime Sakai, J. Antoni Rafalski
  • Compositions and methods for altering tocotrienol content
    Patent number: 9163253
    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: May 7, 2013
    Date of Patent: October 20, 2015
    Assignee: E. I. DUPONT DE NEMOURS AND COMPANY
    Inventors: Edgar B. Cahoon, Sean J. Coughlan, Rebecca E. Cahoon, Karlene H. Butler
  • Wuschel (WUS) gene homologs
    Patent number: 9029641
    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 17, 2013
    Date of Patent: May 12, 2015
    Assignees: Pioneer Hi-Bred International, Inc., E I du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, William James Gordon-Kamm, Keith S. Lowe, Christopher Jay Scelonge, Yumin Tao
  • ALTERATION OF OIL TRAITS IN PLANTS
    Publication number: 20140325704
    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: July 9, 2014
    Publication date: October 30, 2014
    Inventors: WILLIAM B ALLEN, Rebecca E Cahoon, Sabine U Epelbaum, Changjiang Li, Igor Cunha De Oliveira, Hajime Sakai, Bo Shen, Mitchell C Tarczynski
  • POLYNUCLEOTIDES AND POLYPEPTIDES INVOLVED IN POST-TRANSCRIPTIONAL GENE SILENCING
    Publication number: 20140259217
    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: May 22, 2014
    Publication date: September 11, 2014
    Applicant: E I Du Pont De Nemours And Company
    Inventors: Rebecca E Cahoon, Hajime Sakai, J Antoni Rafalski
  • Alteration of oil traits in plants
    Patent number: 8785726
    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: Grant
    Filed: April 24, 2009
    Date of Patent: July 22, 2014
    Assignees: E. I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: William B Allen, Karlene H Butler, Rebecca E Cahoon, Sabine U Epelbaum, Changjiang Li, Igor Cunha De Oliveira, Hajime Sakai, Bo Shen, Mitchell C Tarczynski
  • Polynucleotides and polypeptides involved in post-transcriptional gene silencing
    Patent number: 8748697
    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 27, 2012
    Date of Patent: June 10, 2014
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Hajime Sakai, J. Antoni Rafalski
  • PLANT DIACYLGLYCEROL ACYLTRANSFERASES
    Publication number: 20140154720
    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: February 6, 2014
    Publication date: June 5, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Karlene H Butler, Edgar Benjamin Cahoon, Rebecca E Cahoon, Anthony J Kinney
  • PLANT TRANSCRIPTION FACTORS
    Publication number: 20140137291
    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: Application
    Filed: January 31, 2014
    Publication date: May 15, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Rebecca E Cahoon, Theodore Mitchell Klein
  • POLYNUCLEOTIDES ENCODING PROTEINS INVOLVED IN PLANT METABOLISM
    Publication number: 20140130206
    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: January 10, 2014
    Publication date: May 8, 2014
    Applicants: PIONEER HI-BRED INTERNATIONAL INC, E I DU PONT DE NEMOURS AND COMPANY
    Inventors: EDGAR B. 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
  • Plant transcription factors
    Patent number: 8692072
    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: May 30, 2013
    Date of Patent: April 8, 2014
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Rebecca E Cahoon, Theodore Mitchell Klein
  • Polynucleotides encoding proteins involved in plant metabolism
    Patent number: 8658858
    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: September 13, 2012
    Date of Patent: February 25, 2014
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Guo-Hua Miao
  • Compositions and Methods for Altering Tocotrienol Content
    Publication number: 20130316457
    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: May 7, 2013
    Publication date: November 28, 2013
    Applicant: E.I. DuPont de Nemours and Company
    Inventors: Edgar B. Cahoon, Sean J. Coughlan, Rebecca E. Cahoon, Karlene H. Butler
  • PLANT TRANSCRIPTION FACTORS
    Publication number: 20130276167
    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: Application
    Filed: May 30, 2013
    Publication date: October 17, 2013
    Inventors: Rebecca E. Cahoon, Theodore Mitchell Klein
  • PLANT DIACYLGLYCEROL ACYLTRANSFERASES
    Publication number: 20130252253
    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: May 31, 2013
    Publication date: September 26, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Karlene H Butler, Edgar Benjamin Cahoon, Rebecca E. Cahoon, Anthony J. Kinney
  • Plant transcription factors
    Patent number: 8466344
    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: September 14, 2012
    Date of Patent: June 18, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Rebecca E Cahoon, Theodore Mitchell Klein
  • Plant 1-deoxy-D-xylulose 5-phosphate reductoisomerase
    Patent number: 8461322
    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: Grant
    Filed: November 3, 2010
    Date of Patent: June 11, 2013
    Assignee: E I du Pont de Nemours and Company
    Inventors: Rebecca E. Cahoon, Yong Tao
  • Wuschel (WUS) gene homologs
    Patent number: 8383891
    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: June 24, 2011
    Date of Patent: February 26, 2013
    Assignees: E.I. du Pont de Nemours and Company, Pioneer Hi-Bred International, Inc.
    Inventors: Rebecca E. Cahoon, William James Gordon-Kamm, Keith S. Lowe, Christopher Jay Scelonge, Yumin Tao
  • PLANT TRANSCRIPTION FACTORS
    Publication number: 20130019339
    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: Application
    Filed: September 14, 2012
    Publication date: January 17, 2013
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Rebecca E. Cahoon, Theodore M. Klein