Patents by Inventor Basil J. Nikolau
Basil J. Nikolau 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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Patent number: 10392606Abstract: A method of increasing production of fatty acids comprising introducing into a host and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella formatexigens or a mutant thereof; a method of making a mutant B. formatexigens acyl-ACP TE; a method of making a chimeric Cuphea viscosissima acyl-ACP TE; a nucleic acid molecule comprising a nucleotide sequence encoding a mutant acyl-ACP TE or a chimeric Cuphea viscosissima acyl-ACP TE; a host comprising the nucleic acid molecule; a mutant acyl-ACP TE or chimeric Cuphea viscosissima acyl-ACP TE; a method of altering the specificity of a plant acyl-ACP TE for at least one of its substrates comprising introducing into the plant acyl-ACP TE a substrate specificity-altering mutation; and a method of altering the level of activity of a plant acyl-ACP TE.Type: GrantFiled: December 10, 2017Date of Patent: August 27, 2019Assignee: Iowa State University Research Foundation, Inc.Inventors: Basil J. Nikolau, Marna Yandeau-Nelson, Fuyuan Jing
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Patent number: 10233432Abstract: A mutant Bacillus subtilis, which does not express a functional KASIIIA and/or KASIIIB, and method of making; a mutant Rhodospirillum rubrum, which does not express a functional PhaC1, PhaC2, and/or PhaC3, and method of making; method of characterizing substrate specificity of KASIII; method of making mutant KASIII with altered substrate specificity and/or altered level of activity and nucleic acid, vector, host cell/organism, and mutant KASIII; an in vitro, high-throughput spectrophotometric method of assaying KASIII activity; and materials and methods for using KASIII for production of bi-functional fatty acids and the materials so produced.Type: GrantFiled: September 29, 2017Date of Patent: March 19, 2019Assignee: Iowa State University Research Foundation, Inc.Inventors: Shivani Garg, Huanan Jin, Marna Yandeau-Nelson, Basil J. Nikolau
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Publication number: 20180094251Abstract: A method of increasing production of fatty acids comprising introducing into a host and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella formatexigens or a mutant thereof; a method of making a mutant B. formatexigens acyl-ACP TE; a method of making a chimeric Cuphea viscosissima acyl-ACP TE; a nucleic acid molecule comprising a nucleotide sequence encoding a mutant acyl-ACP TE or a chimeric Cuphea viscosissima acyl-ACP TE; a host comprising the nucleic acid molecule; a mutant acyl-ACP TE or chimeric Cuphea viscosissima acyl-ACP TE; a method of altering the specificity of a plant acyl-ACP TE for at least one of its substrates comprising introducing into the plant acyl-ACP TE a substrate specificity-altering mutation; and a method of altering the level of activity of a plant acyl-ACP TE.Type: ApplicationFiled: December 10, 2017Publication date: April 5, 2018Inventors: Basil J. Nikolau, Marna Yandeau-Nelson, Fuyuan Jing
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Publication number: 20180051263Abstract: A mutant Bacillus subtilis, which does not express a functional KASIIIA and/or KASIIIB, and method of making; a mutant Rhodospirillum rubrum, which does not express a functional PhaC1, PhaC2, and/or PhaC3, and method of making; method of characterizing substrate specificity of KASIII; method of making mutant KASIII with altered substrate specificity and/or altered level of activity and nucleic acid, vector, host cell/organism, and mutant KASIII; an in vitro, high-throughput spectrophotometric method of assaying KASIII activity; and materials and methods for using KASIII for production of bi-functional fatty acids and the materials so produced.Type: ApplicationFiled: September 29, 2017Publication date: February 22, 2018Inventors: Shivani GARG, Huanan JIN, Marna YANDEAU-NELSON, Basil J. NIKOLAU
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Patent number: 9868942Abstract: A method of increasing production of fatty acids comprising introducing into a host and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella formatexigens or a mutant thereof; a method of making a mutant B. formatexigens acyl-ACP TE; a method of making a chimeric Cuphea viscosissima acyl-ACP TE; a nucleic acid molecule comprising a nucleotide sequence encoding a mutant acyl-ACP TE or a chimeric Cuphea viscosissima acyl-ACP TE; a host comprising the nucleic acid molecule; a mutant acyl-ACP TE or chimeric Cuphea viscosissima acyl-ACP TE; a method of altering the specificity of a plant acyl-ACP TE for at least one of its substrates comprising introducing into the plant acyl-ACP TE a substrate specificity-altering mutation; and a method of altering the level of activity of a plant acyl-ACP TE.Type: GrantFiled: June 21, 2016Date of Patent: January 16, 2018Assignee: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.Inventors: Basil J. Nikolau, Marna Yandeau-Nelson, Fuyuan Jing
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Patent number: 9809804Abstract: A mutant Bacillus subtilis, which does not express a functional KASIIIA and/or KASIIIB, and method of making; a mutant Rhodospirillum rubrum, which does not express a functional PhaC1, PhaC2, and/or PhaC3, and method of making; method of characterizing substrate specificity of KASIII; method of making mutant KASIII with altered substrate specificity and/or altered level of activity and nucleic acid, vector, host cell/organism, and mutant KASIII; an in vitro, high-throughput spectrophotometric method of assaying KASIII activity; and materials and methods for using KASIII for production of bi-functional fatty acids and the materials so produced.Type: GrantFiled: January 22, 2014Date of Patent: November 7, 2017Assignee: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.Inventors: Shivani Garg, Huanan Jin, Marna Yandeau-Nelson, Basil J. Nikolau
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Publication number: 20160355793Abstract: A method of increasing production of fatty acids comprising introducing into a host and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella formatexigens or a mutant thereof; a method of making a mutant B. formatexigens acyl-ACP TE; a method of making a chimeric Cuphea viscosissima acyl-ACP TE; a nucleic acid molecule comprising a nucleotide sequence encoding a mutant acyl-ACP TE or a chimeric Cuphea viscosissima acyl-ACP TE; a host comprising the nucleic acid molecule; a mutant acyl-ACP TE or chimeric Cuphea viscosissima acyl-ACP TE; a method of altering the specificity of a plant acyl-ACP TE for at least one of its substrates comprising introducing into the plant acyl-ACP TE a substrate specificity-altering mutation; and a method of altering the level of activity of a plant acyl-ACP TE.Type: ApplicationFiled: June 21, 2016Publication date: December 8, 2016Inventors: Basil J. Nikolau, Marna Yandeau-Nelson, Fuyuan Jing
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Patent number: 9399768Abstract: A method of increasing production of fatty acids comprising introducing into a host and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella formatexigens or a mutant thereof; a method of making a mutant B. formatexigens acyl-ACP TE; a method of making a chimeric Cuphea viscosissima acyl-ACP TE; a nucleic acid molecule comprising a nucleotide sequence encoding a mutant acyl-ACP TE or a chimeric Cuphea viscosissima acyl-ACP TE; a host comprising the nucleic acid molecule; a mutant acyl-ACP TE or chimeric Cuphea viscosissima acyl-ACP TE; a method of altering the specificity of a plant acyl-ACP TE for at least one of its substrates comprising introducing into the plant acyl-ACP TE a substrate specificity-altering mutation; and a method of altering the level of activity of a plant acyl-ACP TE.Type: GrantFiled: December 26, 2013Date of Patent: July 26, 2016Assignee: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.Inventors: Basil J. Nikolau, Marna Yandeau-Nelson, Fuyuan Jing
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Publication number: 20160090576Abstract: A mutant Bacillus subtilis, which does not express a functional KASIIIA and/or KASIIIB and method of making; a mutant Rhodospirillum rubrum, which does not express a functional PhaC1, PhaC2, and/or PhaC3 and method of making; method of characterizing substrate specificity of KASIII; method of making mutant KASIII with altered substrate specificity and/or altered level of activity and nucleic acid, vector, host cell/organism, and mutant KASIII; an in vitro, high-throughput spectrophotometric method of assaying KASIII activity, and materials and methods for using KASIII for production of bi-functional fatty acids and the materials so produced.Type: ApplicationFiled: January 22, 2014Publication date: March 31, 2016Inventors: Shivani GARG, Huanan JIN, Marna YANDEAU-NELSON, Basil J. NIKOLAU
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Publication number: 20150322466Abstract: A method of increasing production of fatty acids comprising introducing into a host cell or organism and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella formatexigens or a mutant thereof; a method of making a mutant B. formatexigens acyl-ACP TE; a method of making a chimeric Cuphea viscosissima acyl-ACP TE; a nucleic acid encoding a mutant acyl-ACP TE or a chimeric C. viscosissima acyl-ACP TE; a host cell or organism comprising the nucleic acid; a mutant acyl-ACP TE or chimeric C. viscosissima acyl-ACP TE; a method of altering the specificity of a plant acyl-ACP TE; and a method of altering the level of activity of a plant acyl-ACP TE.Type: ApplicationFiled: January 18, 2015Publication date: November 12, 2015Inventors: Basil J. Nikolau, Marna Yandeau-Nelson, Fuyuan Jing
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Patent number: 8951762Abstract: A method of increasing production of fatty acids comprising introducing into a host cell or organism and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella formatexigens or a mutant thereof; a method of making a mutant B. formatexigens acyl-ACP TE; a method of making a chimeric Cuphea viscosissima acyl-ACP TE; a nucleic acid encoding a mutant acyl-ACP TE or a chimeric C. viscosissima acyl-ACP TE; a host cell or organism comprising the nucleic acid; a mutant acyl-ACP TE or chimeric C. viscosissima acyl-ACP TE; a method of altering the specificity of a plant acyl-ACP TE; and a method of altering the level of activity of a plant acyl-ACP TE.Type: GrantFiled: July 25, 2012Date of Patent: February 10, 2015Assignee: Iowa State University Research Foundation, Inc.Inventors: Basil J. Nikolau, Marna Yandeau-Nelson, Fuyuan Jing
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Publication number: 20140186920Abstract: A method of increasing production of fatty acids comprising introducing into a host and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella formatexigens or a mutant thereof; a method of making a mutant B. formatexigens acyl-ACP TE; a method of making a chimeric Cuphea viscosissima acyl-ACP TE; a nucleic acid molecule comprising a nucleotide sequence encoding a mutant acyl-ACP TE or a chimeric Cuphea viscosissima acyl-ACP TE; a host comprising the nucleic acid molecule; a mutant acyl-ACP TE or chimeric Cuphea viscosissima acyl-ACP TE; a method of altering the specificity of a plant acyl-ACP TE for at least one of its substrates comprising introducing into the plant acyl-ACP TE a substrate specificity-altering mutation; and a method of altering the level of activity of a plant acyl-ACP TE.Type: ApplicationFiled: December 26, 2013Publication date: July 3, 2014Applicant: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.Inventors: Basil J. Nikolau, Marna Yandeau-Nelson, Fuyuan Jing
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Publication number: 20130029387Abstract: A method of increasing production of fatty acids comprising introducing into a host cell or organism and expressing therein an acyl-acyl carrier protein (ACP) thioesterase (TE) from Bryantella formatexigens or a mutant thereof; a method of making a mutant B. formatexigens acyl-ACP TE; a method of making a chimeric Cuphea viscosissima acyl-ACP TE; a nucleic acid encoding a mutant acyl-ACP TE or a chimeric C. viscosissima acyl-ACP TE; a host cell or organism comprising the nucleic acid; a mutant acyl-ACP TE or chimeric C. viscosissima acyl-ACP TE; a method of altering the specificity of a plant acyl-ACP TE; and a method of altering the level of activity of a plant acyl-ACP TE.Type: ApplicationFiled: July 25, 2012Publication date: January 31, 2013Applicant: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.Inventors: Basil J. Nikolau, Marna Yandeau-Nelson, Fuyuan Jing
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Patent number: 7524678Abstract: The present invention provides nucleic acid and amino acid sequences of acetyl CoA synthetase (ACS), plastidic pyruvate dehydrogenase (pPDH), ATP citrate lyase (ACL), Arabidopsis pyruvate decarboxylase (PDC), and Arabidopsis aldehyde dehydrogenase (ALDH), specifically ALDH-2 and ALDH-4. The present invention also provides a recombinant vector comprising a nucleic acid sequence encoding one of the aforementioned enzymes, an antisense sequence thereto or a ribozyme therefor, a cell transformed with such a vector, antibodies to the enzymes, a plant cell, a plant tissue, a plant organ or a plant in which the level of an enzyme has been altered, and a method of producing such a plant cell, plant tissue, plant organ or plant. Desirably, alteration of the level of enzyme results in an alteration of the level of acetyl CoA in the plant cell, plant tissue, plant organ or plant.Type: GrantFiled: June 27, 2005Date of Patent: April 28, 2009Assignee: Iowa State University Research Foundation, Inc.Inventors: Basil J. Nikolau, Eve S. Wurtele, David J. Oliver, Patrick S. Schnable, Tsui-Jung Wen
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Patent number: 6942994Abstract: The present invention provides nucleic acid and amino acid sequences of acetyl CoA synthetase (ACS), plastidic pyruvate dehydrogenase (pPDH), ATP citrate lyase (ACL), Arabidopsis pyruvate decarboxylase (PDC), and Arabidopsis aldehyde dehydrogenase (ALDH), specifically ALDH-2 and ALDH-4. The present invention also provides a recombinant vector comprising a nucleic acid sequence encoding one of the aforementioned enzymes, an antisense sequence thereto or a ribozyme therefor, a cell transformed with such a vector, antibodies to the enzymes, a plant cell, a plant tissue, a plant organ or a plant in which the level of an enzyme has been altered, and a method of producing such a plant cell, plant tissue, plant organ or plant. Desirably, alteration of the level of enzyme results in an alteration of the level of acetyl CoA in the plant cell, plant tissue, plant organ or plant.Type: GrantFiled: November 13, 2002Date of Patent: September 13, 2005Assignee: Iowa State University Research Foundation, Inc.Inventors: Basil J. Nikolau, Eve S. Wurtele, David J. Oliver, Robert Behal, Patrick S. Schnable, Jinshan Ke, Jerry L. Johnson, Carolyn C. Allred, Beth Fatland, Isabelle Lutziger, Tsui-Jung Wen
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Patent number: 6764851Abstract: The present invention provides nucleic acid and amino acid sequences of acetyl CoA synthetase (ACS), plastidic pyruvate dehydrogenase (pPDH), ATP citrate lyase (ACL), Arabidopsis pyruvate decarboxylase (PDC), and Arabidopsis aldehyde dehydrogenase (ALDH), specifically ALDH-2 and ALDH-4. The present invention also provides a recombinant vector comprising a nucleic acid sequence encoding one of the aforementioned enzymes, an antisense sequence thereto or a ribozyme therefor, a cell transformed with such a vector, antibodies to the enzymes, a plant cell, a plant tissue, a plant organ or a plant in which the level of an enzyme has been altered, and a method of producing such a plant cell, plant tissue, plant organ or plant. Desirably, alteration of the level of enzyme results in an alteration of the level of acetyl CoA in the plant cell, plant tissue, plant organ or plant.Type: GrantFiled: June 25, 1999Date of Patent: July 20, 2004Assignee: Iowa State University Research Foundation, Inc.Inventors: Basil J. Nikolau, Eve S. Wurtele, David J. Oliver, Robert Behal, Patrick S. Schnable, Jinshan Ke, Jerry L. Johnson, Carolyn C. Allred, Beth Fatland, Isabelle Lutziger, Tsui-Jung Wen
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Publication number: 20030106090Abstract: The present invention provides nucleic acid and amino acid sequences of acetyl CoA synthetase (ACS), plastidic pyruvate dehydrogenase (pPDH), ATP citrate lyase (ACL), Arabidopsis pyruvate decarboxylase (PDC), and Arabidopsis aldehyde dehydrogenase (ALDH), specifically ALDH-2 and ALDH-4. The present invention also provides a recombinant vector comprising a nucleic acid sequence encoding one of the aforementioned enzymes, an antisense sequence thereto or a ribozyme therefor, a cell transformed with such a vector, antibodies to the enzymes, a plant cell, a plant tissue, a plant organ or a plant in which the level of an enzyme has been altered, and a method of producing such a plant cell, plant tissue, plant organ or plant. Desirably, alteration of the level of enzyme results in an alteration of the level of acetyl CoA in the plant cell, plant tissue, plant organ or plant.Type: ApplicationFiled: November 13, 2002Publication date: June 5, 2003Applicant: Iowa State University Research Foundation, Inc.Inventors: Basil J. Nikolau, Eve S. Wurtele, David J. Oliver, Robert Behal, Patrick S. Schnable, Jinshan Ke, Jerry L. Johnson, Carolyn C. Allred, Beth Fatland, Isabelle Lutziger, Tsui-Jung Wen
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Publication number: 20020162137Abstract: The present invention provides nucleic acid and amino acid sequences of acetyl CoA synthetase (ACS), plastidic pyruvate dehydrogenase (pPDH), ATP citrate lyase (ACL), Arabidopsis pyruvate decarboxylase (PDC), and Arabidopsis aldehyde dehydrogenase (ALDH), specifically ALDH-2 and ALDH-4. The present invention also provides a recombinant vector comprising a nucleic acid sequence encoding one of the aforementioned enzymes, an antisense sequence thereto or a ribozyme therefor, a cell transformed with such a vector, antibodies to the enzymes, a plant cell, a plant tissue, a plant organ or a plant in which the level of an enzyme has been altered, and a method of producing such a plant cell, plant tissue, plant organ or plant. Desirably, alteration of the level of enzyme results in an alteration of the level of acetyl CoA in the plant cell, plant tissue, plant organ or plant.Type: ApplicationFiled: June 25, 1999Publication date: October 31, 2002Inventors: BASIL J. NIKOLAU, EVE S. WURTELE, DAVID J. OLIVER, ROBERT BEHAL, PATRICK S. SCHNABLE, JINSHAN KE, JERRY L. JOHNSON, CAROLYN C. ALLRED, BETH FATLAND, ISABELLE LUTZIGER, TSUI-JUNG WEN
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Patent number: 6060644Abstract: The present invention relates to cuticular lipid genes, their gene products, and methods of use thereof, for the generation of new plant varieties having novel environmental, disease and pest resistance. In particular, certain isolated or enriched nucleic acids specifying cuticular lipid genes, or portions thereof, are disclosed.Type: GrantFiled: December 29, 1995Date of Patent: May 9, 2000Assignee: Iowa State University Research Foundation, Inc.Inventors: Patrick S. Schnable, Donald S. Robertson, Joel D. Hansen, Basil J. Nikolau, Xiaojie Xu, Yiji Xia