Patents by Inventor Ericka Bermudez

Ericka Bermudez 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).

  • Publication number: 20240026401
    Abstract: The present disclosure provides engineered transaminase polypeptides for the production of amines, polynucleotides encoding the engineered transaminases, host cells capable of expressing the engineered transaminases, and methods of using the engineered transaminases to prepare compounds useful in the production of active pharmaceutical agents.
    Type: Application
    Filed: September 17, 2021
    Publication date: January 25, 2024
    Inventors: Santhosh Sivaramakrishnan, Ericka Bermudez, Nandhitha Subramanian, David Entwistle, Stephanie Marie Forget
  • Publication number: 20230193224
    Abstract: The present disclosure relates to engineered DNA polymerase polypeptides and compositions thereof, as well as polynucleotides encoding the engineered DNA polymerase polypeptides. The present disclosure also provides methods of using the engineered DNA polymerase polypeptides or compositions thereof for diagnostic and other purposes.
    Type: Application
    Filed: October 14, 2022
    Publication date: June 22, 2023
    Inventors: Ericka Bermudez, David Elgart, Nikki D. Kruse, Mathew G. Miller, Vesna Mitchell, Jovana Nazor, Nandhitha Subramanian
  • Publication number: 20230183790
    Abstract: The present disclosure relates to recombinant reverse transcriptase polypeptides and compositions thereof, as well as polynucleotides encoding the recombinant reverse transcriptase polypeptides. The disclosure also provides methods for using the recombinant reverse transcriptase polypeptides and compositions thereof for diagnostic and as molecular biological tools.
    Type: Application
    Filed: October 14, 2022
    Publication date: June 15, 2023
    Inventors: Ericka Bermudez, David Elgart, Mathew G. Miller, Jovana Nazor, Zhe Rui, Nandhitha Subramanian
  • Publication number: 20230159904
    Abstract: The present invention provides engineered carboxyesterase enzymes having improved properties as compared to a naturally occurring wild-type carboxyesterase enzymes, as well as polynucleotides encoding the engineered carboxyesterase enzymes, host cells capable of expressing the engineered carboxyesterase enzymes, and methods of using the engineered carboxyesterase enzymes in hydrolysis reactions.
    Type: Application
    Filed: April 6, 2021
    Publication date: May 25, 2023
    Inventors: Rama Voladri, Jessica Anna Hurtak, Auric Anthony Sowell-Kantz, Nandhitha Subramanian, Ericka Bermudez, David Entwistle, Melissa Ann Mayo, James Nicholas Riggins
  • Patent number: 11236354
    Abstract: 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: Grant
    Filed: June 6, 2019
    Date of Patent: February 1, 2022
    Inventors: Ericka Bermudez, Linda A Castle, Kevin E McBride, Daniel Siehl
  • Publication number: 20210309977
    Abstract: The present invention provides engineered DNA polymerase polypeptides and compositions thereof, as well as polynucleotides encoding the engineered DNA polymerase polypeptides. The invention also provides methods for use of the compositions comprising the engineered DNA polymerase polypeptides for diagnostic and other purposes.
    Type: Application
    Filed: June 11, 2021
    Publication date: October 7, 2021
    Inventors: Mathew G. Miller, Vesna Mitchell, Jovana Nazor, Donald S. Baskerville, Nikki Dellas, David Elgart, Jonathan Vroom, Sandy M. Gomes, Nandhitha Subramanian, Ericka Bermudez
  • Patent number: 11060075
    Abstract: The present invention provides engineered DNA polymerase polypeptides and compositions thereof, as well as polynucleotides encoding the engineered DNA polymerase polypeptides. The invention also provides methods for use of the compositions comprising the engineered DNA polymerase polypeptides for diagnostic and other purposes.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: July 13, 2021
    Assignee: Codexis, Inc.
    Inventors: Mathew G. Miller, Vesna Mitchell, Jovana Nazor, Donald S. Baskerville, Nikki Dellas, David Elgart, Jonathan Vroom, Sandy M. Gomes, Nandhitha Subramanian, Ericka Bermudez
  • Publication number: 20210180079
    Abstract: Provided are compositions comprising polynucleotides encoding glutamine synthetase (GS) polypeptides having improved properties, such as increased enzymatic activity and/or increased thermostability. Also provided are recombinant DNA constructs, plants, plant cells, seed, grain comprising the polynucleotides. Additionally, various methods of employing the polynucleotides in plants, such as methods for increasing GS activity in a plant, methods for increase seed protein content in a seed of a plant, and methods for increasing yield of a plant, are also provided herein.
    Type: Application
    Filed: May 20, 2019
    Publication date: June 17, 2021
    Applicant: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: STEVEN HENRY BASS, ERICKA BERMUDEZ, ZHENGLIN HOU, SHAI LAWIT, MARIAN BEECHER SANDOVAL, BO SHEN, PETER THELEN, YANG WANG, ROBERT W WILLIAMS, JINGRUI WU, JUN ZHANG
  • Patent number: 11015206
    Abstract: 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: Grant
    Filed: May 7, 2019
    Date of Patent: May 25, 2021
    Inventors: Phillip A Patten, Daniel Siehl, Yumin Tao, Henrik Albert, Ericka Bermudez, Linda A Castle, Yuxia Dong, Andrew Duncan Satterfield
  • Publication number: 20200131485
    Abstract: The present invention provides engineered DNA polymerase polypeptides and compositions thereof, as well as polynucleotides encoding the engineered DNA polymerase polypeptides. The invention also provides methods for use of the compositions comprising the engineered DNA polymerase polypeptides for diagnostic and other purposes.
    Type: Application
    Filed: October 28, 2019
    Publication date: April 30, 2020
    Inventors: Mathew G. Miller, Vesna Mitchell, Jovana Nazor, Donald S. Baskerville, Nikki Dellas, David Elgart, Jonathan Vroom, Sandy M. Gomes, Nandhitha Subramanian, Ericka Bermudez
  • Patent number: 10633666
    Abstract: Transgenic oilseeds having increased total fatty acid content of at least 10% and altered fatty acid profiles when compared to the total fatty acid content of null segregant oilseeds are described. Novel DGAT genes are used to achieve the increase in seed storage lipids.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: April 28, 2020
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Keith Roesler, Ericka Bermudez, Howard Glenn Damude, Changjiang Li, Knut Meyer, Bo Shen, Mitchell C. Tarczynski
  • Publication number: 20190292558
    Abstract: 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: Application
    Filed: June 6, 2019
    Publication date: September 26, 2019
    Applicant: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: ERICKA BERMUDEZ, LINDA A. CASTLE, KEVIN E. MCBRIDE, DANIEL SIEHL
  • Publication number: 20190271001
    Abstract: 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: Application
    Filed: May 7, 2019
    Publication date: September 5, 2019
    Applicant: 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
  • Patent number: 10329578
    Abstract: 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: Grant
    Filed: October 14, 2014
    Date of Patent: June 25, 2019
    Assignee: PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: Ericka Bermudez, Linda A. Castle, Kevin E. McBride, Daniel Siehl
  • Patent number: 10316326
    Abstract: 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: Grant
    Filed: May 2, 2015
    Date of Patent: June 11, 2019
    Assignee: 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
  • Publication number: 20190040372
    Abstract: Compositions and methods comprising polynucleotides and polypeptides having meganuclease activity are provided. Further provided are nucleic acid constructs, yeast, plants, plant cells, explants, seeds and grain having the meganuclease sequences. Various methods of employing the meganuclease sequences are provided. Such methods include, for example, methods for producing a meganuclease with increased activity at a wide range of temperatures, methods for producing a yeast, plant, plant cell, explant or seed comprising a meganuclease with increased activity.
    Type: Application
    Filed: October 18, 2018
    Publication date: February 7, 2019
    Applicants: E. I. DUPONT DE NEMOURS AND COMPANY, PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: Ericka Bermudez, Andrew Mark Cigan, James J English, Saverio Carl Falco, Huirong Gao, Lu Liu, Zhan-Bin Liu, Azalea S Ong, Sergei Svitashev, Joshua K Young
  • Patent number: 10150956
    Abstract: Compositions and methods comprising polynucleotides and polypeptides having meganuclease activity are provided. Further provided are nucleic acid constructs, yeast, plants, plant cells, explants, seeds and grain having the meganuclease sequences. Various methods of employing the meganuclease sequences are provided. Such methods include, for example, methods for producing a meganuclease with increased activity at a wide range of temperatures, methods for producing a yeast, plant, plant cell, explant or seed comprising a meganuclease with increased activity.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: December 11, 2018
    Assignees: E I DU PONT DE NEMOURS AND COMPANY, PIONEER HI-BRED IINTERNATIONAL, INC.
    Inventors: Ericka Bermudez, Andrew Mark Cigan, James J English, Saverio Carl Falco, Huirong Gao, Lu Liu, Zhan-Bin Liu, Azalea S Ong, Sergei Svitashev, Joshua K Young
  • Publication number: 20180291391
    Abstract: Transgenic oilseeds having increased total fatty acid content of at least 10% and altered fatty acid profiles when compared to the total fatty acid content of null segregant oilseeds are described. Novel DGAT genes are used to achieve the increase in seed storage lipids.
    Type: Application
    Filed: June 11, 2018
    Publication date: October 11, 2018
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Keith Roesler, Ericka Bermudez, Howard Glenn Damude, Changjiang Li, Knut Meyer, Bo Shen, Mitchell C. Tarczynski
  • Patent number: 10017777
    Abstract: Transgenic oilseeds having increased total fatty acid content of at least 10% and altered fatty acid profiles when compared to the total fatty acid content of null segregant oilseeds are described. Novel DGAT genes are used to achieve the increase in seed storage lipids.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: July 10, 2018
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: Keith Roesler, Ericka Bermudez, Howard Glenn Damude, Changjiang Li, Knut Meyer, Bo Shen, Mitchell C Tarczynski
  • Publication number: 20180142223
    Abstract: Compositions and methods comprising polynucleotides and polypeptides having meganuclease activity are provided. Further provided are nucleic acid constructs, yeast, plants, plant cells, explants, seeds and grain having the meganuclease sequences. Various methods of employing the meganuclease sequences are provided. Such methods include, for example, methods for producing a meganuclease with increased activity at a wide range of temperatures, methods for producing a yeast, plant, plant cell, explant or seed comprising a meganuclease with increased activity.
    Type: Application
    Filed: January 10, 2018
    Publication date: May 24, 2018
    Applicants: E. I. DUPONT DE NEMOURS AND COMPANY, PIONEER HI-BRED INTERNATIONAL, INC.
    Inventors: ERICKA BERMUDEZ, ANDREW MARK CIGAN, JAMES J ENGLISH, SAVERIO CARL FALCO, HUIRONG GAO, LU LIU, ZHAN-BIN LIU, AZALEA S ONG, SERGEI SVITASHEV, JOSHUA K YOUNG