Chun Ping Li

US Patent:

6475734, Nov 5, 2002

Filed:

Sep 28, 2000

Appl. No.:

09/672749

Inventors:

Matthias Liebergesell - West Des Moines IA
Patrica Lynne Fallis - Polk City IA
Jian G. Dong - Johnston IA
Chun Ping Li - Johnston IA
Scott E. Nichols - Johnston IA

Assignee:

Pioneer Hi-Bred International, Inc. - Des Moines IA

International Classification:

C12Q 168

US Classification:

435 6, 800288, 800205, 800280, 435 5, 435 911, 435 912, 4351723, 435135, 435 691, 4353201, 536 237

Abstract:

The invention relates to genes encoding polyhydroxyalkanoate synthases. Compositions and methods for producing polyhydroxyalkanoate are provided. Such compositions and methods find use in producing biodegradable thermoplastics in host cells and transgenic plants. Isolated nucleotide molecules, isolated polypeptides, expression cassettes and genetically manipulated host cells, plants, plant tissues, plant cells and seeds are also provided.

US Patent:

6677502, Jan 13, 2004

Filed:

Jul 12, 2000

Appl. No.:

09/614912

Inventors:

Stephen M. Allen - Wilmington DE
Anthony J. Kinney - Wilimington DE
J. Antoni Rafalski - Wilmington DE
Guo-Hua Miao - Johnston IA
Omolayo O. Famodu - Newark DE
Jian-Ming Lee - West Caldwell NJ
Karin N. Lohman - Newark DE
Alan R. Rendina - Wilmington DE
Hajime Sakai - Wilmington DE
Zude Weng - Des Plaines IL
Perry G. Caimi - Kennet Square PA
Yiwen Fang - Los Angeles CA
Jennie Bih-Jien Shen - Wilmington DE
Ilham L. Zoughi - Wilmington DE
Shawn L. Anderson - West Grove PA
Jinrui Shi - Johnston IA
Guihua Lu - Urbandale IA
Timothy G. Helentjaris - Ankeny IA
Chun Ping Li - Johnston IA

Assignee:

E.I. du Pont de Nemours and Company - Wilmington DE
Pioneer Hi-Bred International - Des Moines IA

International Classification:

A01H 300

US Classification:

800278, 435 6, 435 691, 435183, 435410, 435419, 4352523, 4353201, 530350, 530370, 536 232, 536 236, 536 241, 800295

Abstract:

This invention relates to an isolated nucleic acid fragment encoding a GTP cyclohydrolase II/3,4-dihydroxy-2-butanone-4-phosphate synthase protein. The invention also relates to the construction of a chimeric gene encoding all or a substantial portion of the protein, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the protein in a transformed host cell.

US Patent:

6797859, Sep 28, 2004

Filed:

Jul 15, 2002

Appl. No.:

10/195781

Inventors:

Shane E. Abbitt - Ankeny IA
Chun Ping Li - Johnston IA
Xiaomu Niu - Johnston IA

Assignee:

Pioneer Hi-Bred International, Inc. - Des Moines IA

International Classification:

C12N 1509

US Classification:

800287, 800278, 800279, 800295, 800320, 800317, 435468, 435419, 4353201, 536 241

Abstract:

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 vascular tissue-preferred promoter for the gene encoding prunasin hydrolase and sequences isolated therefrom. 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 vascular tissue-preferred promoter of the present invention and regenerating a stably transformed plant that expresses the nucleotide sequence.

US Patent:

6806401, Oct 19, 2004

Filed:

Dec 19, 2001

Appl. No.:

10/024806

Inventors:

Peizhong Zheng - Johnston IA
Chun Ping Li - Johnston IA
Scott E. Nichols - Westchester PA

Assignee:

Pioneer Hi-Bred International, Inc. - Des Moines IA

International Classification:

A01H 100

US Classification:

800295, 435 6, 435 691, 435 914, 435468, 435183, 435419, 4352523, 4353201, 530370, 536 232, 536 241, 800278

Abstract:

The invention relates to the genes encoding 3-oxoacyl-[acyl carrier protein(ACP)] reductase (OAR). Compositions and methods for producing polyhydroxyalkanoate in transformed plants and transformed host cells are provided. Such methods find use in producing biodegradable thermoplastics in host cells and plants. Isolated nucleotide molecules, expression cassettes, isolated polypeptides and genetically manipulated host cells, plants, plant tissues, plant cells and seeds are also provided.

US Patent:

6914170, Jul 5, 2005

Filed:

Jul 5, 2001

Appl. No.:

09/899645

Inventors:

Chun Ping Li - Johnston IA, US
Peizhong Zheng - Johnston IA, US
Scott E. Nichols - Westchester PA, US

Assignee:

Pioneer Hi-Bred International, Inc. - Des Moines IA

International Classification:

C12N015/29
C12N015/52
C12N015/82
A01H005/00
A01H005/10

US Classification:

800281, 800278, 800298, 800320, 8003201, 8003202, 8003203, 435418, 435468

Abstract:

The invention relates to the genetic manipulation of plants to increase oil accumulation in plant tissues, particularly seeds. Methods for decreasing β-oxidation in plants and optimizing oil accumulation in a seeds are provided. The methods find use in increasing the accumulation of oil or particular oil constituents in plant seeds. Isolated nucleotide molecules, isolated proteins, expression cassettes and transformed plants, plant tissues and plant cells are additionally provided.

US Patent:

7129395, Oct 31, 2006

Filed:

Aug 26, 2004

Appl. No.:

10/926499

Inventors:

Peizhong Zheng - Johnston IA, US
Chun Ping Li - Johnston IA, US
Scott E. Nichols - Westchester PA, US

Assignee:

Pioneer Hi-Bred International, Inc. - Johnston IA

International Classification:

C12P 7/62
C12P 11/00
C07H 21/04
A01H 1/00

US Classification:

800295, 435 691, 435468, 4353201, 435410, 435419, 435 6, 435183, 435135, 530350, 530370, 536 231, 536 232, 536 236, 800278, 800281, 800284

Abstract:

The invention relates to the genes encoding 3-oxoacyl-[acyl carrier protein(ACP)] reductase (OAR). Compositions and methods for producing polyhydroxyalkanoate in transformed plants and transformed host cells are provided. Such methods find use in producing biodegradable thermoplastics in host cells and plants. Isolated nucleotide molecules, expression cassettes, isolated polypeptides and genetically manipulated host cells, plants, plant tissues, plant cells and seeds are also provided.

US Patent:

7141721, Nov 28, 2006

Filed:

Jul 2, 2002

Appl. No.:

10/187764

Inventors:

Chun Ping Li - Johnston IA, US
Alan R. Rendina - Wilmington DE, US

Assignee:

E. I. du Pont de Nemours and Company - Wilmington DE
Pioneer Hi-Bred International, Inc. - Des Moines IA

International Classification:

A01H 5/00
C12N 15/82
C07H 21/04

US Classification:

800298, 800281, 536 236, 4353201, 435440

Abstract:

This invention relates to an isolated nucleic acid fragment encoding corn () and soybean () enoyl-ACP reductase. The invention also relates to the construction of a recombinant DNA construct encoding all or a portion of the enoyl-ACP reductase, in sense or antisense orientation, wherein expression of the recombinant DNA construct results in production of altered levels of the enoyl-ACP reductase in a transformed host cell.

US Patent:

7176349, Feb 13, 2007

Filed:

Sep 29, 2000

Appl. No.:

10/089281

Inventors:

Kanwarpal S. Dhugga - Johnston IA, US
Chun Ping Li - Johnston IA, US
Jian G. Dong - Johnston IA, US
William D. Hitz - Wilmington DE, US
Matthias Liebergesell - West Des Moines IA, US
Scott E. Nichols - Westchester PA, US
Kristen K. Briggs - Del Mar CA, US

Assignee:

Pioneer Hi-Bred International, Inc. - Johnston IA
E.I. du Pont de Nemours and Company - Wilmington DE

International Classification:

C12N 15/29
C12N 15/52
C12N 15/63
C12N 15/82

US Classification:

800281, 800287, 800298, 8003201, 536 232, 536 236, 435419, 4353201

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.