Patents by Inventor Daniel Siehl
Daniel Siehl 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: 20230125600Abstract: Compositions and methods comprising polynucleotides and polypeptides having EPSP (5-enolpyruvylshikimate-3-phosphate) synthase (EPSPS) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, improved catalytic capacity in the presence of the inhibitor, glyphosate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the EPSPS sequences. Various methods of employing the EPSPS sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: ApplicationFiled: December 9, 2022Publication date: April 27, 2023Applicant: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: YUXIA DONG, MICHAEL LASSNER, JIAN LU, EMILY NG, PHILLIP A PATTEN, DANIEL SIEHL
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Patent number: 11549123Abstract: Compositions and methods comprising polynucleotides and polypeptides having EPSP (5-enolpyruvylshikimate-3-phosphate) synthase (EPSPS) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, improved catalytic capacity in the presence of the inhibitor, glyphosate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the EPSPS sequences. Various methods of employing the EPSPS sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: GrantFiled: March 12, 2020Date of Patent: January 10, 2023Inventors: Yuxia Dong, Michael Lassner, Jian Lu, Emily Ng, Phillip A Patten, Daniel Siehl
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Patent number: 11236354Abstract: Compositions and methods comprising polynucleotides and polypeptides having glyphosate-N-acetyltransferase (GLYAT) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, an improved specificity for glyphosate when compared to an appropriate control resulting in decreased off target acetylation of, e.g. an amino acid such as aspartate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the GLYAT sequences. Various methods of employing the GLYAT sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: GrantFiled: June 6, 2019Date of Patent: February 1, 2022Inventors: Ericka Bermudez, Linda A Castle, Kevin E McBride, Daniel Siehl
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Patent number: 11015206Abstract: Compositions and methods comprising polynucleotides and polypeptides having 4-hydroxyphenylpyruvate dioxygenase (HPPD) activity and having insensitivity to an HPPD inhibitor are provided. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the HPPD sequences. Various methods of employing the HPPD sequences are provided. Such methods include, for example, methods for producing an HPPD inhibitor tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein. Methods are also provided to identify additional HPPD variants. Further provided are various methods and compositions that allow the various HPPD polypeptides and variant and fragments thereof to be expressed in a chloroplast or transported to a chloroplast.Type: GrantFiled: May 7, 2019Date of Patent: May 25, 2021Inventors: Phillip A Patten, Daniel Siehl, Yumin Tao, Henrik Albert, Ericka Bermudez, Linda A Castle, Yuxia Dong, Andrew Duncan Satterfield
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Publication number: 20200392528Abstract: Compositions and methods comprising polynucleotides and polypeptides having EPSP (5-enolpyruvylshikimate-3-phosphate) synthase (EPSPS) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, improved catalytic capacity in the presence of the inhibitor, glyphosate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the EPSPS sequences. Various methods of employing the EPSPS sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: ApplicationFiled: March 21, 2018Publication date: December 17, 2020Applicant: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: YUXIA DONG, JIAN LU, EMILY NG, DANIEL SIEHL, YUMIN TAO
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Publication number: 20200263193Abstract: Compositions and methods comprising polynucleotides and polypeptides having EPSP (5-enolpyruvylshikimate-3-phosphate) synthase (EPSPS) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, improved catalytic capacity in the presence of the inhibitor, glyphosate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the EPSPS sequences. Various methods of employing the EPSPS sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: ApplicationFiled: March 12, 2020Publication date: August 20, 2020Applicant: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: YUXIA DONG, MICHAEL LASSNER, JIAN LU, EMILY NG, PHILLIP A PATTEN, DANIEL SIEHL
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Patent number: 10655141Abstract: Compositions and methods comprising polynucleotides and polypeptides having EPSP (5-enolpyruvylshikimate-3-phosphate) synthase (EPSPS) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, improved catalytic capacity in the presence of the inhibitor, glyphosate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the EPSPS sequences. Various methods of employing the EPSPS sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: GrantFiled: September 29, 2016Date of Patent: May 19, 2020Assignee: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: Yuxia Dong, Michael Lassner, Jian Lu, Emily Ng, Phillip A. Patten, Daniel Siehl
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Publication number: 20190292558Abstract: Compositions and methods comprising polynucleotides and polypeptides having glyphosate-N-acetyltransferase (GLYAT) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, an improved specificity for glyphosate when compared to an appropriate control resulting in decreased off target acetylation of, e.g. an amino acid such as aspartate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the GLYAT sequences. Various methods of employing the GLYAT sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: ApplicationFiled: June 6, 2019Publication date: September 26, 2019Applicant: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: ERICKA BERMUDEZ, LINDA A. CASTLE, KEVIN E. MCBRIDE, DANIEL SIEHL
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Publication number: 20190271001Abstract: Compositions and methods comprising polynucleotides and polypeptides having 4-hydroxyphenylpyruvate dioxygenase (HPPD) activity and having insensitivity to an HPPD inhibitor are provided. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the HPPD sequences. Various methods of employing the HPPD sequences are provided. Such methods include, for example, methods for producing an HPPD inhibitor tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein. Methods are also provided to identify additional HPPD variants. Further provided are various methods and compositions that allow the various HPPD polypeptides and variant and fragments thereof to be expressed in a chloroplast or transported to a chloroplast.Type: ApplicationFiled: May 7, 2019Publication date: September 5, 2019Applicant: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: PHILLIP A. PATTEN, DANIEL SIEHL, YUMIN TAO, HENRIK ALBERT, ERICKA BERMUDEZ, LINDA A. CASTLE, YUXIA DONG, ANDREW DUNCAN SATTERFIELD
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Patent number: 10329578Abstract: Compositions and methods comprising polynucleotides and polypeptides having glyphosate-N-acetyltransferase (GLYAT) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, an improved specificity for glyphosate when compared to an appropriate control resulting in decreased off target acetylation of, e.g. an amino acid such as aspartate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the GLYAT sequences. Various methods of employing the GLYAT sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: GrantFiled: October 14, 2014Date of Patent: June 25, 2019Assignee: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: Ericka Bermudez, Linda A. Castle, Kevin E. McBride, Daniel Siehl
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Patent number: 10316326Abstract: Compositions and methods comprising polynucleotides and polypeptides having 4-hydroxyphenylpyruvate dioxygenase (HPPD) activity and having insensitivity to an HPPD inhibitor are provided. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the HPPD sequences. Various methods of employing the HPPD sequences are provided. Such methods include, for example, methods for producing an HPPD inhibitor tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein. Methods are also provided to identify additional HPPD variants. Further provided are various methods and compositions that allow the various HPPD polypeptides and variant and fragments thereof to be expressed in a chloroplast or transported to a chloroplast.Type: GrantFiled: May 2, 2015Date of Patent: June 11, 2019Assignee: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: Daniel Siehl, Phillip A. Patten, Yumin Tao, Ericka Bermudez, Linda A. Castle, Yuxia Dong, Andrew Duncan Satterfield, Henrik Albert
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Publication number: 20190024110Abstract: Compositions and methods comprising polynucleotides and polypeptides having EPSP (5-enolpyruvylshikimate-3-phosphate) synthase (EPSPS) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, improved catalytic capacity in the presence of the inhibitor, glyphosate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the EPSPS sequences. Various methods of employing the EPSPS sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: ApplicationFiled: September 29, 2016Publication date: January 24, 2019Applicant: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: YUXIA DONG, MICHAEL LASSNER, JIAN LU, EMILY NG, PHILLIP A. PATTEN, DANIEL SIEHL
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Publication number: 20170058291Abstract: Compositions and methods comprising polynucleotides and polypeptides having 4-hydroxyphenylpyruvate dioxygenase (HPPD) activity and having insensitivity to an HPPD inhibitor are provided. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the HPPD sequences. Various methods of employing the HPPD sequences are provided. Such methods include, for example, methods for producing an HPPD inhibitor tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein. Methods are also provided to identify additional HPPD variants. Further provided are various methods and compositions that allow the various HPPD polypeptides and variant and fragments thereof to be expressed in a chloroplast or transported to a chloroplast.Type: ApplicationFiled: May 2, 2015Publication date: March 2, 2017Inventors: Daniel Siehl, Phillip A. Patten, Yumin Tao, Ericka Bermudez, Linda A. Castle, Yuxia Dong, Andrew Duncan Satterfield, Henrik Albert
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Publication number: 20160257971Abstract: Compositions and methods comprising polynucleotides and polypeptides having glyphosate-N-acetyltransferase (GLYAT) activity are provided. In specific embodiments, the sequence has an improved property, such as, but not limited to, an improved specificity for glyphosate when compared to an appropriate control resulting in decreased off target acetylation of, e.g. an amino acid such as aspartate. Further provided are nucleic acid constructs, plants, plant cells, explants, seeds and grain having the GLYAT sequences. Various methods of employing the GLYAT sequences are provided. Such methods include methods for producing a glyphosate tolerant plant, plant cell, explant or seed and methods of controlling weeds in a field containing a crop employing the plants and/or seeds disclosed herein.Type: ApplicationFiled: October 14, 2014Publication date: September 8, 2016Applicant: PIONEER HI-BRED INTERNATIONAL, INC.Inventors: Ericka Bermudez, Linda A. Castle, Kevin E. McBride, Daniel Siehl
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Publication number: 20120288914Abstract: The presently disclosed subject matter provides compositions and methods for evaluating the potential of candidate polypeptides to associate with glyphosate with a higher binding affinity, higher binding specificity, or both or to have N-acetyltransferase activity with a higher catalytic rate when compared to a native glyphosate acetyltransferase (GLYAT) polypeptide through the provision and comparison of three-dimensional molecular structures of the candidate polypeptides and the GLYAT polypeptides provided herein. The methods further provide for identification of polypeptides with these advantageous properties using the three-dimensional molecular structures of GLYAT polypeptides.Type: ApplicationFiled: July 7, 2010Publication date: November 15, 2012Applicant: PIONEER HI BRED INTERNATIONAL INC.Inventors: Daniel Siehl, Robert J. Keenan, Zhenglin Hou, Linda A. Castle
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Publication number: 20100115661Abstract: Compositions and methods for increasing the level of one or more selected free ? and/or ?-N-acetylated amino acids in a selected tissue or organ of a plant are provided. In specific embodiments, the plant, plant part, seed or grain comprises a free ?-N-acetylated amino acid content of at least 200 ppm or a ratio of free ?-N-acetylated amino acid content to free non-?-N-acetylated amino acid content of about 3 to about 1000. Compositions comprising plants, plant parts, seed and grain having stably incorporated into their genome a heterologous polynucleotide encoding an amino acid-N-acetyltransferase polypeptide operably linked to a promoter active in the seed are provided.Type: ApplicationFiled: October 19, 2009Publication date: May 6, 2010Applicants: Pioneer Hi-Bred International, Inc., E.I. du Pont de Nemours and CompanyInventors: John H. Duesing, Anthony J. Kinney, Daniel Siehl
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Publication number: 20060253922Abstract: Methods of shuffling DNA to obtain recombinant herbicide tolerance nucleic acids encoding proteins having new or improved herbicide tolerance activities, libraries of shuffled herbicide tolerance nucleic acids, transgenic plants and DNA shuffling mixtures are provided.Type: ApplicationFiled: May 17, 2006Publication date: November 9, 2006Inventors: Venkiteswaran Subramanian, Willem Stemmer, Linda Castle, Umesh Muchhal, Daniel Siehl
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Publication number: 20060253923Abstract: Methods of shuffling DNA to obtain recombinant herbicide tolerance nucleic acids encoding proteins having new or improved herbicide tolerance activities, libraries of shuffled herbicide tolerance nucleic acids, transgenic plants and DNA shuffling mixtures are provided.Type: ApplicationFiled: May 17, 2006Publication date: November 9, 2006Inventors: Venkiteswaran Subramanian, Willem Stemmer, Linda Castle, Umesh Muchhal, Daniel Siehl
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Publication number: 20060242731Abstract: Methods of shuffling DNA to obtain recombinant herbicide tolerance nucleic acids encoding proteins having new or improved herbicide tolerance activities, libraries of shuffled herbicide tolerance nucleic acids, transgenic plants and DNA shuffling mixtures are provided.Type: ApplicationFiled: May 17, 2006Publication date: October 26, 2006Inventors: Venkiteswaran Subramanian, Willem Stemmer, Linda Castle, Umesh Muchhal, Daniel Siehl
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Publication number: 20060205003Abstract: The present invention generally relates to methods of rapidly and efficiently searching biologically-related data space. More specifically, the invention includes methods of identifying bio-molecules with desired properties, or which are most suitable for acquiring such properties, from complex bio-molecule libraries or sets of such libraries. The invention also provides methods of modeling sequence-activity relationships. As many of the methods are computer-implemented, the invention additionally provides digital systems and software for performing these methods.Type: ApplicationFiled: May 5, 2006Publication date: September 14, 2006Inventors: Claes Gustafsson, Sridhar Govindarajan, Robin Emig, Richard Fox, Ajoy Roy, Jeremy Minshull, S. Davis, Anthony Cox, Phillip Patten, Linda Castle, Daniel Siehl, Rebecca Gorton, Teddy Chen