Patents by Inventor Kanwarpal S. Dhugga

Kanwarpal S. Dhugga 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).

  • Secondary Wall Forming Genes From Maize and Uses Thereof
    Publication number: 20080313777
    Abstract: The present invention provides polynucleotides and related polypeptides of the class of genes involved in maize secondary wall (ZmSCW) formation. The invention provides genomic sequence for the ZmSCW genes. ZmSCW are responsible for controlling plant growth, secondary cell wall development and yield in crop plants.
    Type: Application
    Filed: June 13, 2008
    Publication date: December 18, 2008
    Applicant: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: Kanwarpal S. Dhugga, Robert B. Meeley, Carl R. Simmons
  • Manipulation of Ammonium Transporters (AMTS) to Improve Nitrogen Use Efficiency in Higher Plants
    Publication number: 20080222753
    Abstract: The present invention provides polynucleotides and related polypeptides of the protein AMT. The invention provides genomic sequence for the AMT gene. AMT is responsible for controlling nitrogen utilization efficiency in plants.
    Type: Application
    Filed: March 10, 2008
    Publication date: September 11, 2008
    Applicant: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: Rajeev Gupta, Juan Liu, Kanwarpal S. Dhugga, Carl R. Simmons
  • Production of polyhydroxyalkanoate in plants
    Patent number: 7341856
    Abstract: The invention relates to the genetic manipulation of plants to produce polyhydroxyalkanoate, particularly in the peroxisomes. Methods for producing such polymers in plants and host cells are provided. Such methods find use in producing biodegradable thermoplastics in plants and other organisms. Nucleotide molecules, expression cassettes, and genetically manipulated host cell, plants, plant tissues, and seeds are also provided.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: March 11, 2008
    Assignees: Pioneer Hi-Bred International, Inc., E.I. du Pont de Nemours and Company
    Inventors: Kanwarpal S. Dhugga, Chun Ping Li, Jian G. Dong, William D. Hitz, Matthias Liebergesell, Scott E. Nichols, Kristen K. Briggs
  • Maize cellulose synthase encoding nucleic acids and uses thereof
    Patent number: 7312377
    Abstract: The invention provides isolated cellulose synthase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering cellulose synthase concentration and/or composition of plants. The invention further provides recombinant expression cassettes, host cells, and transgenic plants.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: December 25, 2007
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Kanwarpal S. Dhugga, Timothy G. Helentjaris, Benjamin A. Bowne, Xun Wang
  • Maize cellulose synthases and uses thereof
    Patent number: 7307149
    Abstract: The invention provides isolated cellulose synthase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering cellulose synthase levels in plants. The invention further provides recombinant expression cassettes, host cells, and transgenic plants comprising said nucleic acids.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: December 11, 2007
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Kanwarpal S. Dhugga, Haiyin Wang, Dwight Tomes, Timothy G. Helentjaris
  • Maize cellulose encoding nucleic acids and uses thereof
    Patent number: 7285702
    Abstract: The invention provides isolated cellulose synthase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering cellulose synthase levels in plants. The invention further provides recombinant expression cassettes, host cells and transgenic plants.
    Type: Grant
    Filed: May 1, 2006
    Date of Patent: October 23, 2007
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Kanwarpal S. Dhugga, Timothy G. Helentjaris
  • Genes for galactomannan production in plants and methods of use
    Patent number: 7265265
    Abstract: The invention relates to the genetic manipulation of plants, particularly to the expression of galactomannan biosynthetic genes in transformed plants. Isolated nucleotide molecules comprising nucleotide sequences encoding mannan synthase and galactosyltransferases and methods for their use are provided. The nucleotide molecules find use in the production of gum in transformed plants.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: September 4, 2007
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventor: Kanwarpal S. Dhugga
  • Method to produce para-hydroxybenzoic acid in the stem tissue of green plants by using a tissue-specific promoter
    Patent number: 7238512
    Abstract: This invention relates to methods and materials to produce para-hydroxybenzoic acid in the stem tissue of transgenic green plants using a cellulose synthase promoter to operably express a gene encoding HCHL.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: July 3, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Knut Meyer, Kanwarpal S. Dhugga
  • Maize cellulose synthases encoding nucleic acids and uses thereof
    Patent number: 7214852
    Abstract: The invention provides isolated cellulose synthase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering cellulose synthase concentration and/or composition of plants. The invention further provides recombinant expression cassettes, host cells, and transgenic plants.
    Type: Grant
    Filed: October 8, 2004
    Date of Patent: May 8, 2007
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Kanwarpal S. Dhugga, Timothy G. Helentjaris, Benjamin A. Bowen, Xun Wang
  • Maize cellulose synthases genes and uses thereof
    Patent number: 7179955
    Abstract: The invention provides isolated cellulose synthase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering cellulose synthase levels in plants. The invention further provides recombinant expression cassettes, host cells, transgenic plants, and transgenic seeds.
    Type: Grant
    Filed: October 9, 2002
    Date of Patent: February 20, 2007
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Kanwarpal S. Dhugga, Timothy G. Helentjaris
  • Production of polyhydroxyalkanoate in plants
    Patent number: 7176349
    Abstract: The invention relates to the genetic manipulation of plants to produce polyhydroxyalkanoate, particularly in the peroxisomes. Methods for producing such polymers in plants and host cells are provided. Such methods find use in producing biodegradable thermoplastics in plants and other organisms. Nucleotide molecules, expression cassettes, and genetically manipulated host cells, plants, plant tissues, and seeds are also provided.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: February 13, 2007
    Assignees: Pioneer Hi-Bred International, Inc., E.I. du Pont de Nemours and Company
    Inventors: Kanwarpal S. Dhugga, Chun Ping Li, Jian G. Dong, William D. Hitz, Matthias Liebergesell, Scott E. Nichols, Kristen K. Briggs
  • Plant uridine diphosphate-glucose dehydrogenase genes, proteins, and uses thereof
    Patent number: 7098381
    Abstract: Methods are provided that diminish UDPGdH expression in plant cells as compared to wild-type plant cells. These methods find use in increasing the nutritional value of animal feed and improving processes for extraction of starch from plant seeds. Also provided are expression vectors capable of diminishing UDPGdH expression in plant cells, and transgenic plants expressing diminished levels of UDPGdH.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: August 29, 2006
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: George W. Singletary, Scott E. Nichols, Kanwarpal S. Dhugga
  • Manipulation of plant polysaccharide synthases
    Patent number: 7098380
    Abstract: The present invention provides compositions and methods for manipulation of plant polysaccharides and plant polysaccharide synthases. Compositions include novel nucleotide sequences encoding polysaccharide synthases polypeptides, and biologically active variants thereof. Further provided are methods for polysaccharide manipulation using the sequences disclosed herein. One method comprises stably incorporating into the genome of a plant cell, a nucleotide sequence of the present invention operably linked to a heterologous promoter and regenerating a stably transformed plant that expresses the nucleotide sequence. Methods for enhancing digestibility of plants, improving gum extractability from plants, and altering plant growth are also provided.
    Type: Grant
    Filed: September 27, 2002
    Date of Patent: August 29, 2006
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Kanwarpal S. Dhugga, Dwight T. Tomes
  • Isolated sucrose sythase polynucleotides and uses thereof
    Patent number: 7091398
    Abstract: The invention provides a novel isolated sucrose synthase nucleic acid and its encoded protein. The present invention also provides methods and compositions relating to altering sucrose synthase levels in plants, and in particular, in plant stalks and/or plant seeds. The invention further provides recombinant expression cassettes, host cells, transgenic plants, and transgenic seeds.
    Type: Grant
    Filed: February 21, 2002
    Date of Patent: August 15, 2006
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Kanwarpal S. Dhugga, Timothy G. Helentjaris, Xiaomu Niu
  • Maize cellulose synthases and uses thereof
    Patent number: 6930225
    Abstract: The invention provides isolated cellulose synthase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering cellulose synthase levels in plants. The invention further provides recombinant expression cassettes, host cells, and transgenic plants comprising said nucleic acids.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: August 16, 2005
    Assignee: Pioneer Hi-Bred Int'l Inc.
    Inventors: Kanwarpal S. Dhugga, Haiyin Wang, Dwight Tomes, Timothy G. Helentjaris
  • Maize cellulose synthases and uses thereof
    Patent number: 6803498
    Abstract: The invention provides isolated cellulose synthase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering cellulose synthase concentration and/or composition of plants. The invention further provides recombinant expression cassettes, host cells, and transgenic plants.
    Type: Grant
    Filed: June 3, 2002
    Date of Patent: October 12, 2004
    Assignee: Pioneer Hi-Bred Int'l. Inc.
    Inventors: Kanwarpal S. Dhugga, Timothy G. Helentjaris, Benjamin A. Bowen, Xun Wang
  • Genes for galactomannan production in plants and methods of use
    Publication number: 20040143871
    Abstract: The invention relates to the genetic manipulation of plants, particularly to the expression of galactomannan biosynthetic genes in transformed plants. Isolated nucleotide molecules comprising nucleotide sequences encoding mannan synthase and galactosyltransferases and methods for their use are provided. The nucleotide molecules find use in the production of gum in transformed plants.
    Type: Application
    Filed: November 14, 2003
    Publication date: July 22, 2004
    Applicant: Pioneer Hi-Bred International, Inc.
    Inventor: Kanwarpal S. Dhugga
  • Maize cellulose synthases and uses thereof
    Publication number: 20040068767
    Abstract: The invention provides isolated cellulose synthase nucleic acids and their encoded proteins. The present invention provides methods and compositions relating to altering cellulose synthase levels in plants. The invention further provides recombinant expression cassettes, host cells, transgenic plants, and antibody compositions.
    Type: Application
    Filed: July 25, 2003
    Publication date: April 8, 2004
    Applicant: Pioneer Hi-Bred International, Inc.
    Inventors: Kanwarpal S. Dhugga, Haiyin Wang, Dwight T. Tomes, Timothy G. Helentjaris
  • Maize nucleic acid encoding a GDP-mannose pyrophosphorylase
    Patent number: 6706951
    Abstract: The invention relates to the genetic manipulation of plants, particularly to the expression of galactomannan biosynthetic genes in transformed plants. Nucleotide sequences for the GDP-mannose pyrophosphorylase genes and methods for their use are provided. The sequences find use in the production of gum in plants. A nucleic acid encoding a GDP-mannose pyrophosphorylase from maize is taught, as are plants and plant cells transformed with it.
    Type: Grant
    Filed: August 16, 1999
    Date of Patent: March 16, 2004
    Assignee: Pioneer Hi-Bred International, Inc.
    Inventors: Kanwarpal S. Dhugga, Xun Wang, Benjamin A. Bowen
  • Plant uridine diphosphate-glucose dehydrogenase genes, proteins, and uses thereof
    Publication number: 20040025203
    Abstract: Methods are provided that diminish UDPGdH expression in plant cells as compared to wild-type plant cells. These methods find use in increasing the nutritional value of animal feed and improving processes for extraction of starch from plant seeds. Also provided are expression vectors capable of diminishing UDPGdH expression in plant cells, and transgenic plants expressing diminished levels of UDPGdH.
    Type: Application
    Filed: March 13, 2002
    Publication date: February 5, 2004
    Inventors: George W. Singletary, Scott E. Nichols, Kanwarpal S. Dhugga