Patents by Inventor Viktor Marius Boer

Viktor Marius Boer 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).

  • Patent number: 11925193
    Abstract: A recombinant host capable of producing a steviol glycoside which overexpresses a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 29 or an amino acid sequence having at least about 50% sequence identity thereto. A recombinant host capable of producing a steviol glycoside which has been modified, preferably in its genome, to result in a deficiency in the production of a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 29 or an amino acid sequence having at least about 50% sequence identity thereto.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: March 12, 2024
    Assignee: DSM IP Assets B.V.
    Inventors: Viktor Marius Boer, Priscilla Zwartjens, Eric Van Den Berg
  • Publication number: 20240067938
    Abstract: The present invention relates a variant polypeptide having geranylgeranyl pyrophosphate synthase activity, which variant polypeptide comprises an amino acid sequence which, when aligned with a geranylgeranyl pyrophosphate synthase comprising the sequence set out in SEQ ID NO: 1, comprises at least one substitution of an amino acid residue corresponding to any of amino acids at positions 92, 100 or 235 said positions being defined with reference to SEQ ID NO: 1 and wherein the variant has one or more modified properties as compared with a reference polypeptide having geranylgeranyl pyrophosphate synthase activity. A variant polypeptide of the invention may be used in a recombinant host for the production of steviol or a steviol glycoside.
    Type: Application
    Filed: August 25, 2023
    Publication date: February 29, 2024
    Inventors: Viktor Marius BOER, Priscilla ZWARTJENS, Johannes Gustaaf Ernst VAN LEEUWEN
  • Publication number: 20240068002
    Abstract: The present invention relates to a recombinant microorganism comprising one or more nucleotide sequence(s) encoding: a polypeptide having ent-copalyl pyrophosphate synthase activity; a polypeptide having ent-Kaurene synthase activity; a polypeptide having ent-Kaurene oxidase activity; and a polypeptide having kaurenoic acid 13-hydroxylase activity, whereby expression of the nucleotide sequence(s) confer(s) on the microorganism the ability to produce at least steviol.
    Type: Application
    Filed: June 23, 2023
    Publication date: February 29, 2024
    Inventors: Viktor Marius BOER, Erwin SUIR
  • Patent number: 11913034
    Abstract: The present invention relates a polypeptide having kaurenoic acid 13-hydroxylase activity, which polypeptide comprises an amino acid sequence which, when aligned with a kaurenoic acid 13-hydroxylase comprising the sequence set out in SEQ ID NO: 1 or SEQ ID NO: 3, comprises at least one substitution of an amino acid corresponding to any of amino acids at positions 136, 248, 336 or 403, said positions being defined with reference to SEQ ID NO: 1 or SEQ ID NO: 3 and wherein the polypeptide has one or more modified properties as compared with a reference polypeptide having kaurenoic acid 13-hydroxylase activity. A polypeptide of the invention may be used in a recombinant host for the production of steviol or a steviol glycoside.
    Type: Grant
    Filed: July 21, 2021
    Date of Patent: February 27, 2024
    Assignee: DSM IP ASSETS B.V.
    Inventors: Johannes Gustaaf Ernst Van Leeuwen, Priscilla Zwartjens, Viktor Marius Boer
  • Patent number: 11781121
    Abstract: The present invention relates a variant polypeptide having geranylgeranyl pyrophosphate synthase activity, which variant polypeptide comprises an amino acid sequence which, when aligned with a geranylgeranyl pyrophosphate synthase comprising the sequence set out in SEQ ID NO: 1, comprises at least one substitution of an amino acid residue corresponding to any of amino acids at positions 92, 100 or 235 said positions being defined with reference to SEQ ID NO: 1 and wherein the variant has one or more modified properties as compared with a reference polypeptide having geranylgeranyl pyrophosphate synthase activity. A variant polypeptide of the invention may be used in a recombinant host for the production of steviol or a steviol glycoside.
    Type: Grant
    Filed: December 3, 2021
    Date of Patent: October 10, 2023
    Assignee: DSM IP ASSETS B.V.
    Inventors: Viktor Marius Boer, Priscilla Zwartjens, Johannes Gustaaf Ernst Van Leeuwen
  • Publication number: 20230295586
    Abstract: The present disclosure relates a polypeptide having UGT activity, which polypeptide comprises an amino acid sequence which, when aligned with a polypeptide having UGT activity comprising the sequence set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid corresponding to any of amino acids at positions 35, 189, 280, 284, 285, 334 or 373, said positions being defined with reference to SEQ ID NO: 2 and wherein the polypeptide has one or more modified properties as compared with a reference polypeptide having UGT activity. A polypeptide according to the disclosure may be used in a recombinant cell for the production of steviol or a steviol glycoside.
    Type: Application
    Filed: March 20, 2023
    Publication date: September 21, 2023
    Inventors: Viktor Marius BOER, Johannes Gustaaf Ernst VAN LEEUWEN
  • Patent number: 11725223
    Abstract: The present invention relates to a recombinant microorganism comprising one or more nucleotide sequence(s) encoding: a polypeptide having ent-copalyl pyrophosphate synthase activity; a polypeptide having ent-Kaurene synthase activity; a polypeptide having ent-Kaurene oxidase activity; and a polypeptide having kaurenoic acid 13-hydroxylase activity, whereby expression of the nucleotide sequence(s) confer(s) on the microorganism the ability to produce at least steviol.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: August 15, 2023
    Assignee: DSM IP ASSETS B.V.
    Inventors: Viktor Marius Boer, Erwin Suir
  • Publication number: 20230227510
    Abstract: The disclosure provides a recombinant cell capable of producing a steviol glycoside, wherein the cell comprises a nucleic acid coding for a variant of a parent polypeptide, wherein the variant has steviol glycoside transport mediating activity, wherein the variant comprises an amino acid sequence which, when aligned with the amino acid sequence of the parent polypeptide, comprises at least one modification of the amino acid residue corresponding to any of the amino acids in the amino acid sequence of the parent polypeptide, wherein the variant has an improved ability to produce rebaudioside M and optionally other steviol glycosides extracellularly if compared with the parent polytpeptide when measured under the same conditions.
    Type: Application
    Filed: February 10, 2023
    Publication date: July 20, 2023
    Inventors: Johannes Gustaaf Ernst VAN LEEUWEN, Viktor Marius BOER, Priscilla ZWARTJENS, Jos VAN VUGT, René Marcel DE JONG
  • Patent number: 11639497
    Abstract: The present disclosure relates a polypeptide having UGT activity, which polypeptide comprises an amino acid sequence which, when aligned with a polypeptide having UGT activity comprising the sequence set out in SEQ ID NO: 2, comprises at least one substitution of an amino acid corresponding to any of amino acids at positions 35, 189, 280, 284, 285, 334 or 373, said positions being defined with reference to SEQ ID NO: 2 and wherein the polypeptide has one or more modified properties as compared with a reference polypeptide having UGT activity. A polypeptide according to the disclosure may be used in a recombinant cell for the production of steviol or a steviol glycoside.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: May 2, 2023
    Assignee: DSM IP ASSETS B.V.
    Inventors: Viktor Marius Boer, Johannes Gustaaf Ernst Van Leeuwen
  • Patent number: 11608364
    Abstract: The disclosure provides a recombinant cell capable of producing a steviol glycoside, wherein the cell comprises a nucleic acid coding for a variant of a parent polypeptide, wherein the variant has steviol glycoside transport mediating activity, wherein the variant comprises an amino acid sequence which, when aligned with the amino acid sequence of the parent polypeptide, comprises at least one modification of the amino acid residue corresponding to any of the amino acids in the amino acid sequence of the parent polypeptide, wherein the variant has an improved ability to produce rebaudioside M and optionally other steviol glycosides extracellularly if compared with the parent polypeptide when measured under the same conditions.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: March 21, 2023
    Assignee: DSM IP ASSETS B.V.
    Inventors: Johannes Gustaaf Ernst Van Leeuwen, Viktor Marius Boer, Priscilla Zwartjens, Jos Van Vugt, René Marcel De Jong
  • Patent number: 11459548
    Abstract: The present invention relates to a recombinant host comprising a recombinant nucleic acid sequence encoding a polypeptide having at least about: a. 85% identity to the amino acid sequence set forth in SEQ ID NO: 1; b. 85% identity to the amino acid sequence set forth in SEQ ID NO: 3; c. 85% identity to the amino acid sequence set forth in SEQ ID NO: 6; d. 85% identity to the amino acid sequence set forth in SEQ ID NO: 9; e. 85% identity to the amino acid sequence set forth in SEQ ID NO: 11; f. 85% identity to the amino acid sequence set forth in SEQ ID NO: 14; g. 85% identity to the amino acid sequence set forth in SEQ ID NO: 17; h. 85% identity to the amino acid sequence set forth in SEQ ID NO: 20; i. 85% identity to the amino acid sequence set forth in SEQ ID NO: 22; or j. 85% identity to the amino acid sequence set forth in SEQ ID NO: 25.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: October 4, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Viktor Marius Boer, Johannes Gustaaf Ernst Van Leeuwen, Priscilla Zwartjens, Catharina Petronella Antonia Maria Kolen
  • Publication number: 20220110350
    Abstract: A recombinant host capable of producing a steviol glycoside which overexpresses a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 29 or an amino acid sequence having at least about 50% sequence identity thereto. A recombinant host capable of producing a steviol glycoside which has been modified, preferably in its genome, to result in a deficiency in the production of a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 29 or an amino acid sequence having at least about 50% sequence identity thereto.
    Type: Application
    Filed: October 27, 2021
    Publication date: April 14, 2022
    Inventors: Viktor Marius BOER, Priscilla ZWARTJENS, Eric VAN DEN BERG
  • Patent number: 11297862
    Abstract: A recombinant host capable of producing a steviol glycoside which overexpresses a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 29 or an amino acid sequence having at least about 50% sequence identity thereto. A recombinant host capable of producing a steviol glycoside which has been modified, preferably in its genome, to result in a deficiency in the production of a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 29 or an amino acid sequence having at least about 50% sequence identity thereto.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: April 12, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Viktor Marius Boer, Priscilla Zwartjens, Eric Van Den Berg
  • Patent number: 11293043
    Abstract: A recombinant host capable of producing a steviol glycoside which overexpresses a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 35 or SEQ ID NO: 38 or an amino acid sequence having at least about 50% sequence identity to either thereto. A recombinant host capable of producing a steviol glycoside which has been modified, preferably in its genome, to result in a deficiency in the production of a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 35 or SEQ ID NO: 38 or an amino acid sequence having at least about 50% sequence identity to either thereto.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: April 5, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Viktor Marius Boer, Priscilla Zwartjens, Eric Van Den Berg
  • Publication number: 20220090032
    Abstract: The present invention relates a variant polypeptide having geranylgeranyl pyrophosphate synthase activity, which variant polypeptide comprises an amino acid sequence which, when aligned with a geranylgeranyl pyrophosphate synthase comprising the sequence set out in SEQ ID NO: 1, comprises at least one substitution of an amino acid residue corresponding to any of amino acids at positions 92, 100 or 235 said positions being defined with reference to SEQ ID NO: 1 and wherein the variant has one or more modified properties as compared with a reference polypeptide having geranylgeranyl pyrophosphate synthase activity. A variant polypeptide of the invention may be used in a recombinant host for the production of steviol or a steviol glycoside.
    Type: Application
    Filed: December 3, 2021
    Publication date: March 24, 2022
    Inventors: Viktor Marius BOER, Priscilla ZWARTJENS, Johannes Gustaaf Ernst VAN LEEUWEN
  • Patent number: 11225647
    Abstract: The present invention relates a variant polypeptide having geranylgeranyl pyrophosphate synthase activity, which variant polypeptide comprises an amino acid sequence which, when aligned with a geranylgeranyl pyrophosphate synthase comprising the sequence set out in SEQ ID NO: 1, comprises at least one substitution of an amino acid residue corresponding to any of amino acids at positions 92, 100 or 235 said positions being defined with reference to SEQ ID NO: 1 and wherein the variant has one or more modified properties as compared with a reference polypeptide having geranylgeranyl pyrophosphate synthase activity. A variant polypeptide of the invention may be used in a recombinant host for the production of steviol or a steviol glycoside.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: January 18, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Viktor Marius Boer, Priscilla Zwartjens, Johannes Gustaaf Ernst Van Leeuwen
  • Patent number: 11203764
    Abstract: The present invention relates a variant polypeptide having kaurenoic acid 13-hydroxylase activity, which variant polypeptide comprises an amino acid sequence which, when aligned with a kaurenoic acid 13-hydroxylase comprising the sequence set out in SEQ ID NO: 1, comprises at least one substitution of an amino acid residue corresponding to any of amino acids 72, 85, 108, 127, 129, 141, 172, 195, 196, 197, 199, 226, 236, 291, 302, 361 or 464, said positions being defined with reference to SEQ ID NO: 1 and wherein the variant has one or more modified properties as compared with a reference polypeptide having kaurenoic acid 13-hydroxylase activity. A variant polypeptide of the invention may be used in a recombinant host for the production of steviol or a steviol glycoside.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: December 21, 2021
    Assignee: DSM IP ASSETS B.V.
    Inventors: Johannes Gustaaf Ernst Van Leeuwen, Priscilla Zwartjens, Viktor Marius Boer
  • Patent number: 11178894
    Abstract: A recombinant host capable of producing a steviol glycoside which overexpresses a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 29 or an amino acid sequence having at least about 50% sequence identity thereto. A recombinant host capable of producing a steviol glycoside which has been modified, preferably in its genome, to result in a deficiency in the production of a polypeptide which mediates steviol glycoside transport and which polypeptide comprises the amino acid sequence set forth in SEQ ID NO: 29 or an amino acid sequence having at least about 50% sequence identity thereto.
    Type: Grant
    Filed: August 15, 2016
    Date of Patent: November 23, 2021
    Assignee: DSM IP ASSETS B.V.
    Inventors: Viktor Marius Boer, Priscilla Zwartjens, Eric Van Den Berg
  • Publication number: 20210348136
    Abstract: The present invention relates a polypeptide having kaurenoic acid 13-hydroxylase activity, which polypeptide comprises an amino acid sequence which, when aligned with a kaurenoic acid 13-hydroxylase comprising the sequence set out in SEQ ID NO: 1 or SEQ ID NO: 3, comprises at least one substitution of an amino acid corresponding to any of amino acids at positions 136, 248, 336 or 403, said positions being defined with reference to SEQ ID NO: 1 or SEQ ID NO: 3 and wherein the polypeptide has one or more modified properties as compared with a reference polypeptide having kaurenoic acid 13-hydroxylase activity. A polypeptide of the invention may be used in a recombinant host for the production of steviol or a steviol glycoside.
    Type: Application
    Filed: July 21, 2021
    Publication date: November 11, 2021
    Inventors: Johannes Gustaaf Ernst VAN LEEUWEN, Priscilla ZWARTJENS, Viktor Marius BOER
  • Patent number: 11104886
    Abstract: The present invention relates a polypeptide having kaurenoic acid 13-hydroxylase activity, which polypeptide comprises an amino acid sequence which, when aligned with a kaurenoic acid 13-hydroxylase comprising the sequence set out in SEQ ID NO: 1 or SEQ ID NO: 3, comprises at least one substitution of an amino acid corresponding to any of amino acids at positions 136, 248, 336 or 403, said positions being defined with reference to SEQ ID NO: 1 or SEQ ID NO: 3 and wherein the polypeptide has one or more modified properties as compared with a reference polypeptide having kaurenoic acid 13-hydroxylase activity. A polypeptide of the invention may be used in a recombinant host for the production of steviol or a steviol glycoside.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: August 31, 2021
    Assignee: DSM IP ASSETS B.V.
    Inventors: Johannes Gustaaf Ernst Van Leeuwen, Priscilla Zwartjens, Viktor Marius Boer