Patents by Inventor Gusui Wu

Gusui Wu 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: 20110191903
    Abstract: Methods for identifying one or more amino acid substitutions in an oxalate oxidase (OXOX) variant polypeptide that confer maintained or increased OXOX activity are described herein. Methods and compositions for increasing a plant's resistance to a pathogen using the modified OXOX variant polypeptides are provided. Transformed plants, plant cell, tissues, seed, and expression vectors are also provided.
    Type: Application
    Filed: December 30, 2010
    Publication date: August 4, 2011
    Applicant: Pioneer Hi-Bred International, Inc.
    Inventors: James Joseph English, Xu Hu, Azalea Sukfun Ong, Daniel J. Thorpe, Gusui Wu
  • Patent number: 7785828
    Abstract: The invention relates to a method of producing cysteine containing polypeptides in fusion proteins by recombinantly expressing in a host cell sequences encoding an antifungal polypeptide, a maltose binding protein, and a histidine tag. The method is carried out in the presence of a reducing agent to prevent misfolding of the fusion proteins.
    Type: Grant
    Filed: February 6, 2004
    Date of Patent: August 31, 2010
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Gusui Wu, Wessel Lageweg, Maarten H. Stuiver, Lu Liu, Wei Wei, Michael A. Dojka, Jr., Linda K. Dojka, legal representative
  • Patent number: 7528293
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: May 5, 2009
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Patent number: 7511188
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: March 31, 2009
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080127375
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 29, 2008
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080120746
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 22, 2008
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080120741
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 22, 2008
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080120747
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 22, 2008
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080120744
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 22, 2008
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080120745
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 22, 2008
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080120743
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 22, 2008
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080120742
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 22, 2008
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080109924
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: December 14, 2007
    Publication date: May 8, 2008
    Inventors: Hana Ali, Robert Keenan, Michael Lassner, Mathias Muller, Gusui Wu
  • Publication number: 20080090294
    Abstract: Methods for protecting a plant from a pathogen, particularly a pathogenic fungus or nematode, are provided. A method for enhancing pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antipathogenic polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antipathogenic polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: October 19, 2007
    Publication date: April 17, 2008
    Inventors: Hana Ali, Robert Keenan, Michael Lassner, Mathias Muller, Gowri Shah, Jun-Zhi Wei, Gusui Wu
  • Publication number: 20080090293
    Abstract: Methods for protecting a plant from a pathogen, particularly a pathogenic fungus or nematode, are provided. A method for enhancing pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antipathogenic polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antipathogenic polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: October 19, 2007
    Publication date: April 17, 2008
    Inventors: Hana Ali, Robert Keenan, Michael Lassner, Mathias Muller, Gowri Shah, Jun-Zhi Wei, Gusui Wu
  • Patent number: 7351878
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: April 1, 2008
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Patent number: 7332650
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Grant
    Filed: October 14, 2005
    Date of Patent: February 19, 2008
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gusui Wu
  • Publication number: 20080040825
    Abstract: Methods for protecting a plant from a pathogen, particularly a pathogenic fungus or nematode, are provided. A method for enhancing pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antipathogenic polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antipathogenic polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: October 19, 2007
    Publication date: February 14, 2008
    Inventors: Hana Ali, Robert Keenan, Michael Lassner, Mathias Muller, Gowri Shah, Jun-Zhi Wei, Gusui Wu
  • Publication number: 20080016594
    Abstract: Methods for protecting a plant from a plant pathogenic fungus are provided. A method for enhancing fungal pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antifungal polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antifungal polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Application
    Filed: July 11, 2007
    Publication date: January 17, 2008
    Inventors: Hana Ali, Robert Keenan, Michael Lassner, Mathias Muller, Gusui Wu
  • Patent number: 7301069
    Abstract: Methods for protecting a plant from a pathogen, particularly a pathogenic fungus or nematode, are provided. A method for enhancing pathogen resistance in a plant using the nucleotide sequences disclosed herein is further provided. The method comprises introducing into a plant an expression cassette comprising a promoter operably linked to a nucleotide sequence that encodes an antipathogenic polypeptide of the invention. Transformed plants, plant cells, seeds, and microorganisms comprising a nucleotide sequence that encodes an antipathogenic polypeptide of the embodiments, or variant or fragment thereof, are also disclosed.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: November 27, 2007
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Hana S. Ali, Robert J. Keenan, Michael Lassner, Mathias L. Muller, Gowri Shah, Jun-Zhi Wei, Gusui Wu