Patents by Inventor Albert Lu
Albert Lu 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).
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Publication number: 20060162015Abstract: The present invention provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for an inducible promoter for the gene encoding a maize deoxyhypusine synthase. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises stably incorporating into the genome of a plant cell a nucleotide sequence operably linked to the root-preferred promoter of the present invention and regenerating a stably transformed plant that expresses the nucleotide sequence.Type: ApplicationFiled: January 10, 2006Publication date: July 20, 2006Inventors: Scott Diehn, Albert Lu, Billy McCutchen, Lynne Sims, Kim Ward
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Publication number: 20060156439Abstract: The present invention provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for a root-preferred promoter for the gene encoding Cyclo1. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises stabling incorporating into the genome of a plant cell a nucleotide sequence operably linked to the root-preferred promoter of the present invention and regenerating a stably transformed plant that expresses the nucleotide sequence. The present invention also relates to isolated nucleic acids encoding plant cyclotides. The invention relates to the construction of a chimeric gene encoding all or a portion of the plant cyclotides, in sense or antisense orientation, wherein expression of the chimeric gene results in the production of altered levels of plant cyclotides in a transformed host cell.Type: ApplicationFiled: January 6, 2006Publication date: July 13, 2006Inventors: Scott Diehn, Albert Lu, Lynne Sims, Kim Ward
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Publication number: 20060146457Abstract: An output driver having electrostatic discharge (ESD) protection is disclosed. The output driver includes a first gain transistor, a second gain transistor, a capacitor and a resistor. The first gain transistor provides a first stage gain, and the second gain transistor provides a second stage gain. The capacitor, which is connected to the first and second gain transistors, provides a compensation function between the first and second gain transistors during normal operations. In response to an occurrence of an ESD event at the output of the output driver, the capacitor turns on the second gain transistor The resistor, which is also connected to the first and second gain transistors, returns the second gain transistor to normal operations after the occurrence of an ESD event.Type: ApplicationFiled: December 30, 2004Publication date: July 6, 2006Inventors: Albert Lu, Steven Young
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Publication number: 20060137035Abstract: The present invention provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for an inducible promoter for the gene encoding a maize 2-oxoglutarate-dependent oxygenase. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises stably incorporating into the genome of a plant cell a nucleotide sequence operably linked to the root-preferred promoter of the present invention and regenerating a stably transformed plant that expresses the nucleotide sequence.Type: ApplicationFiled: December 12, 2005Publication date: June 22, 2006Inventors: Scott Diehn, Albert Lu, Billy McCutchen, Lynne Sims, Kim Ward
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Publication number: 20060107347Abstract: The present invention provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for a root-preferred promoter for the gene encoding Cr1Bio. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises stabling incorporating into the genome of a plant cell a nucleotide sequence operably linked to the root-preferred promoter of the present invention and regenerating a stably transformed plant that expresses the nucleotide sequence.Type: ApplicationFiled: November 15, 2005Publication date: May 18, 2006Inventors: Scott Diehn, Albert Lu, Lynne Sims, Kim Ward
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Publication number: 20060038709Abstract: Delta-sigma modulators with a selectable noise transfer function are described. In various embodiments, the noise transfer function is varied in accordance with a bandwidth, a communication protocol, or an oversampling ratio of a selected communication channel.Type: ApplicationFiled: August 12, 2004Publication date: February 23, 2006Inventors: Albert Lu, Yan Zhou, Xun Yang
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Publication number: 20060021096Abstract: Compositions and methods for protecting a plant from an insect pest are provided. The invention provides mutagenized nucleic acids that have been engineered to encode pesticidal polypeptides having increased resistance to proteolytic degradation by a plant protease. In particular, nucleic acid sequences encoding pesticidal polypeptides modified to comprise a proteolytic protection site that confers resistance to degradation or proteolytic inactivation by a plant protease are provided. Particular embodiments of the invention provide pesticidal polypeptide compositions and formulations, expression cassettes, and transformed plants, plant cells, and seeds. These compositions find use in methods for controlling pests, especially plant pests. Novel plant proteases, sequences encoding these proteases, and methods for their use are also provided.Type: ApplicationFiled: September 12, 2005Publication date: January 26, 2006Applicants: Pioneer Hi-Bred International, Inc., E.I. du PONT de NEMOURS and COMPANYInventors: Andre Abad, Hua Dong, Rafael Herrmann, Albert Lu, Billy McCutchen, Janet Rice, Eric Schepers, James Wong
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Publication number: 20060005274Abstract: The present invention provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for a promoter for the gene encoding metallothionein. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises transforming a plant or plant cell with a nucleotide sequence operably linked to one of the promoters of the present invention.Type: ApplicationFiled: June 10, 2005Publication date: January 5, 2006Applicants: Pioneer Hi-Bred International, Inc., E.I du PONT de NEMOURS and COMPANYInventors: Scott Diehn, Albert Lu, Kim Ward
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Publication number: 20060005275Abstract: The present invention provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for a promoter for the gene encoding metallothionein. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises transforming a plant or plant cell with a nucleotide sequence operably linked to one of the promoters of the present invention.Type: ApplicationFiled: June 13, 2005Publication date: January 5, 2006Applicants: Pioneer Hi-Bred International, Inc., E.I. du PONT de NEMOURS and COMPANYInventors: Scott Diehn, Albert Lu
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Publication number: 20050273881Abstract: Methods and compositions for modulating development and defense responses are provided. Nucleotide sequences encoding defensin proteins are provided. The sequences can be used in expression cassettes for modulating development, developmental pathways, and defense responses. Transformed plants, plant cells, tissues, and seed are also provided.Type: ApplicationFiled: May 6, 2005Publication date: December 8, 2005Applicants: Pioneer Hi-Bred International, Inc., E.I. du Pont de NEMOURS and COMPANYInventors: Carl Simmons, Pedro Acevedo, Leslie Harvell, Rebecca Cahoon, Billy McCutchen, Albert Lu, Rafael Herrmann, James Wong
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Publication number: 20050268354Abstract: The present invention relates to isolated nucleic acids encoding plant cyclotides. The invention also relates to the construction of a chimeric gene encoding all or a portion of the plant cyclotides, in sense or antisense orientation, wherein expression of the chimeric gene results in the production of altered levels of plant cyclotides in a transformed host cell.Type: ApplicationFiled: May 16, 2005Publication date: December 1, 2005Inventors: Rafael Herrmann, Albert Lu, Billy McCutchen, James Presnail, Clement Waine
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Publication number: 20050261188Abstract: The invention provides nucleic acids, and variants and fragments thereof, obtained from strains of Bacillus thuringiensis encoding ?-endotoxins having pesticidal activity against insect pests. The invention further provides mutagenized nucleic acids that have been modified to encode pesticidal polypeptides such as endotoxins having improved pesticidal activity and/or altered pest specificity. Particular embodiments of the invention provide isolated nucleic acids encoding pesticidal proteins that may be optimized as well as pesticidal compositions, expression cassettes, and transformed microorganisms and plants comprising a nucleic acid of the invention. These compositions find use in methods for controlling pests, especially plant pests.Type: ApplicationFiled: April 18, 2005Publication date: November 24, 2005Applicant: E.I. du PONT de NEMOURS and COMPANYInventors: Andre Abad, Ronald Flannagan, Rafael Herrmann, Theodore Kahn, Albert Lu, Billy McCutchen, James Presnail, James Wong, Cao-Guo Yu
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Publication number: 20050261483Abstract: The invention provides nucleic acids, and variants and fragments thereof, obtained from strains of Bacillus thuringiensis encoding ?-endotoxins having pesticidal activity against insect pests. The invention further provides mutagenized nucleic acids that have been modified to encode pesticidal polypeptides such as endotoxins having improved pesticidal activity and/or altered pest specificity. Particular embodiments of the invention provide isolated nucleic acids encoding pesticidal proteins that may be optimized as well as pesticidal compositions, expression cassettes, and transformed microorganisms and plants comprising a nucleic acid of the invention. These compositions find use in methods for controlling pests, especially plant pests.Type: ApplicationFiled: February 15, 2005Publication date: November 24, 2005Applicant: E.I. duPont de Nemours and CompanyInventors: Andre Abad, Ronald Flannagan, Rafael Herrmann, Theodore Kahn, Albert Lu, Billy McCutchen, James Presnail, James Wong, Cao-Guo Yu
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Publication number: 20050188440Abstract: The methods and compositions of the present invention find use in impacting microbial pathogens and in enhancing disease resistance to pathogens, particularly by plants. The compositions of the invention include polypeptides that possess antimicrobial properties, particularly fungicidal properties, and the encoding nucleic acid molecules. The polypeptides of the invention are isolated from the hemolymph and fat bodies of insect larvae induced by injection of plant pathogenic fungi. Further provided are plant cells, plants, and seed thereof, transformed with the nucleic acid molecules of the invention so as to confer disease resistance on the plant.Type: ApplicationFiled: March 29, 2005Publication date: August 25, 2005Applicant: Pioneer Hi-Bred International, Inc.Inventors: Daniel Altier, Rafael Herrmann, Albert Lu, Billy McCutchen, James Presnail, Janine Weaver, James Wong
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Publication number: 20050177897Abstract: The present invention provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for a promoter for the gene encoding metallothionein. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises transforming a plant or plant cell with a nucleotide sequence operably linked to one of the promoters of the present invention.Type: ApplicationFiled: December 22, 2004Publication date: August 11, 2005Applicants: Pioneer Hi-Bred International, Inc., E.I. du PONT de NEMOURS and COMPANYInventors: Scott Diehn, Albert Lu
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Publication number: 20050177898Abstract: The present invention provides compositions and methods for regulating expression of heterologous nucleotide sequences in a plant. Compositions include a novel nucleotide sequence for a promoter for the gene encoding metallothionein. A method for expressing a heterologous nucleotide sequence in a plant using the promoter sequences disclosed herein is provided. The method comprises transforming a plant or plant cell with a nucleotide sequence operably linked to one of the promoters of the present invention.Type: ApplicationFiled: December 22, 2004Publication date: August 11, 2005Applicants: Pioneer Hi-Bred International, Inc., E.I. du PONT de NEMOURS and COMPANYInventors: Scott Diehn, Albert Lu, Kim Ward
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Publication number: 20050164939Abstract: The methods and compositions of the present invention find use in impacting microbial pathogens and in enhancing disease resistance to pathogens, particularly by plants. The compositions of the invention include polypeptides that possess antimicrobial properties, particularly fungicidal properties, and the encoding nucleic acid molecules. The polypeptides of the invention are isolated from the hemolymph and fat bodies of insect larvae induced by injection of plant pathogenic fungi. Further provided are plant cells, plants, and seed thereof, transformed with the nucleic acid molecules of the invention so as to confer disease resistance on the plant.Type: ApplicationFiled: March 29, 2005Publication date: July 28, 2005Applicant: Pioneer Hi-Bred International, Inc.Inventors: Daniel Altier, Rafael Herrmann, Albert Lu, Billy McCutchen, James Presnail, Janine Weaver, James Wong
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Publication number: 20050166286Abstract: The methods and compositions of the present invention find use in impacting microbial pathogens and in enhancing disease resistance to pathogens, particularly by plants. The compositions of the invention include polypeptides that possess antimicrobial properties, particularly fungicidal properties, and the encoding nucleic acid molecules. The polypeptides of the invention are isolated from the hemolymph and fat bodies of insect larvae induced by injection of plant pathogenic fungi. Further provided are plant cells, plants, and seed thereof, transformed with the nucleic acid molecules of the invention so as to confer disease resistance on the plant.Type: ApplicationFiled: March 29, 2005Publication date: July 28, 2005Applicant: Pioneer Hi-Bred International, Inc.Inventors: Daniel Altier, Rafael Herrmann, Albert Lu, Billy McCutchen, James Presnail, Janine Weaver, James Wong
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Publication number: 20050164940Abstract: The methods and compositions of the present invention find use in impacting microbial pathogens and in enhancing disease resistance to pathogens, particularly by plants. The compositions of the invention include polypeptides that possess antimicrobial properties, particularly fungicidal properties, and the encoding nucleic acid molecules. The polypeptides of the invention are isolated from the hemolymph and fat bodies of insect larvae induced by injection of plant pathogenic fungi. Further provided are plant cells, plants, and seed thereof, transformed with the nucleic acid molecules of the invention so as to confer disease resistance on the plant.Type: ApplicationFiled: March 29, 2005Publication date: July 28, 2005Applicant: Pioneer Hi-Bred International, Inc.Inventors: Daniel Altier, Rafael Herrmann, Albert Lu, Billy McCutchen, James Presnail, Janine Weaver, James Wong
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Publication number: 20050166284Abstract: Compositions and methods for protecting a plant from an insect pest are provided. In particular, nucleic acid sequences encoding insect protoxins modified to comprise at least one proteolytic activation site that is sensitive to a plant protease or an insect gut protease are provided. Cleavage of the modified protoxin at the proteolytic activation site by a protease produces an active insect toxin. Methods of using the modified insect protoxin nucleic acid sequences and the polypeptides they encode to protect a plant from an insect pest are provided. Particular embodiments of the invention further provide modified insect protoxin compositions and formulations, expression cassettes, and transformed plants, plant cells, and seeds.Type: ApplicationFiled: December 22, 2004Publication date: July 28, 2005Applicants: Pioneer Hi-Bred International, Inc., E.I. du PONT de NEMOURS and COMPANYInventors: Andre Abad, Ronald Flannagan, Rafael Herrmann, Albert Lu, Billy McCutchen, James Presnail, Janet Rice, James Wong, Cao-Guo Yu