Patents by Inventor Maria Tang

Maria Tang 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: 20230313209
    Abstract: The present invention relates to nucleic acid constructs comprising a first polynucleotide encoding a signal peptide from a bacterial alpha-amylase a second polynucleotide encoding a polypeptide having hexosaminidase activity; expression vectors and host cells comprising said nucleic acid constructs; and methods for producing polypeptides having hexosaminidase activity.
    Type: Application
    Filed: July 2, 2021
    Publication date: October 5, 2023
    Applicant: Novozymes A/S
    Inventor: Maria Tang
  • Publication number: 20230016040
    Abstract: The present disclosure provides isolated Paenibacillus strains useful for fixing atmospheric nitrogen and enhancing crop yield, as well as inoculant compositions comprising one or more of the isolated strains, seeds that have been treated with one or more of the isolated strains, and methods of using the isolated strains to improve nitrogen content, crop yield, etc.
    Type: Application
    Filed: November 18, 2020
    Publication date: January 19, 2023
    Applicant: NOVOZYMES BIOAG A/S
    Inventors: William Nathan Cude, Hugh Young, Leah Blasiak, Kelly Leanne Rowells, Timothy Liburn, Charles Hall, Maria Tang, Charles Knight
  • Patent number: 8685738
    Abstract: The present invention relates to methods of obtaining genetic competence in non-competent Bacillus cells for their transformation with exogenous DNA.
    Type: Grant
    Filed: February 6, 2013
    Date of Patent: April 1, 2014
    Assignee: Novozymes, Inc.
    Inventors: Randy Berka, Michelle Maranta, Maria Tang, Barbara Cherry
  • Publication number: 20140038235
    Abstract: The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene.
    Type: Application
    Filed: October 10, 2013
    Publication date: February 6, 2014
    Applicant: Novozymes Biopharma DK A/S
    Inventors: Alan Sloma, Regine Behr, William Widner, Stephen Brown, Maria Tang, David Sternberg
  • Patent number: 8574886
    Abstract: The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: November 5, 2013
    Assignee: Novozymes, Inc.
    Inventors: Regine Behr, William Widner, Maria Tang, Stephen Brown, Leslie Naggiar, Linda Sternberg
  • Patent number: 8389283
    Abstract: The present invention relates to methods of obtaining genetic competence in non-competent Bacillus cells for their transformation with exogenous DNA.
    Type: Grant
    Filed: December 19, 2007
    Date of Patent: March 5, 2013
    Assignee: Novozymes, Inc.
    Inventors: Randy Berka, Michelle Maranta, Maria Tang, Barbara Cherry
  • Publication number: 20120149067
    Abstract: The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene.
    Type: Application
    Filed: February 21, 2012
    Publication date: June 14, 2012
    Applicant: Novozymes, Inc.
    Inventors: Alan Sloma, Leslie Naggiar, Regine Behr, William Widner, Maria Tang, David Sternberg, Linda Sternberg, Stephen Brown
  • Patent number: 8137951
    Abstract: The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene.
    Type: Grant
    Filed: April 11, 2011
    Date of Patent: March 20, 2012
    Assignee: Novozymes, Inc.
    Inventors: Alan Sloma, Leslie Naggiar, legal representative, Regine Behr, William Widner, Maria Tang, David Sternberg, Linda Sternberg, legal representative, Stephen Brown
  • Patent number: 8124376
    Abstract: The present invention relates to methods of producing a heterologous biological substance, comprising: (a) cultivating a mutant of a parent Bacillus cell under conditions conducive for the production of the heterologous biological substance, wherein (i) the mutant cell comprises a first nucleic acid sequence directing synthesis of the heterologous biological substance and a second nucleic acid sequence comprising a modification of at least one of the genes cypX and yvmC, which are involved in the production of a red pigment, and (ii) the mutant cell is deficient in the production of the red pigment compared to the parent Bacillus cell when cultivated under the same conditions; and (b) recovering the heterologous biological substance from the cultivation medium. The present invention also relates to mutants of Bacillus cells and methods for producing the mutants.
    Type: Grant
    Filed: February 10, 2010
    Date of Patent: February 28, 2012
    Assignee: Novozymes, Inc.
    Inventors: Maria Tang, Alan Sloma, Leslie Naggiar, legal representative, David Sternberg, Linda Sternberg, legal representative, Regine Behr
  • Patent number: 8093036
    Abstract: The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: January 10, 2012
    Assignee: Novozymes, Inc.
    Inventors: Alan Sloma, Leslie Naggiar, legal representative, Regine Behr, William Widner, Maria Tang, David Sternberg, Linda Sternberg, legal representative, Stephen Brown
  • Publication number: 20110189737
    Abstract: The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene.
    Type: Application
    Filed: April 11, 2011
    Publication date: August 4, 2011
    Applicant: Novozymes, Inc.
    Inventors: Alan Sloma, Regine Behr, William Widner, Maria Tang, David Sternberg, Stephen Brown, Leslie Naggiar, Linda Sternberg
  • Publication number: 20110014662
    Abstract: The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene.
    Type: Application
    Filed: September 27, 2010
    Publication date: January 20, 2011
    Applicant: Novozymes, Inc.
    Inventors: Alan Sloma, Leslie Naggiar, Regine Behr, William Widner, Maria Tang, David Sternberg, Linda Sternberg, Stephen Brown
  • Publication number: 20100330618
    Abstract: The present invention relates to methods of producing a heterologous biological substance, comprising: (a) cultivating a mutant of a parent Bacillus cell under conditions conducive for the production of the heterologous biological substance, wherein (i) the mutant cell comprises a first nucleic acid sequence directing synthesis of the heterologous biological substance and a second nucleic acid sequence comprising a modification of at least one of the genes cypX and yvmC, which are involved in the production of a red pigment, and (ii) the mutant cell is deficient in the production of the red pigment compared to the parent Bacillus cell when cultivated under the same conditions; and (b) recovering the heterologous biological substance from the cultivation medium. The present invention also relates to mutants of Bacillus cells and methods for producing the mutants.
    Type: Application
    Filed: February 10, 2010
    Publication date: December 30, 2010
    Applicant: Novozymes, Inc.
    Inventors: Maria Tang, Alan Sloma, Leslie Naggiar, David Sternberg, Linda Sternberg, Regine Behr
  • Patent number: 7811806
    Abstract: The present invention relates to methods for producing a hyaluronic acid, comprising: (a) cultivating a Bacillus host cell under conditions suitable for production of the hyaluronic acid, wherein the Bacillus host cell comprises a nucleic acid construct comprising a hyaluronan synthase encoding sequence operably linked to a promoter sequence foreign to the hyaluronan synthase encoding sequence; and (b) recovering the hyaluronic acid from the cultivation medium. The present invention also relates to an isolated nucleic acid sequence encoding a hyaluronan synthase operon comprising a hyaluronan synthase gene and a UDP-glucose 6-dehydrogenase gene, and optionally one or more genes selected from the group consisting of a UDP-glucose pyrophosphorylase gene, UDP-N-acetylglucosamine pyrophosphorylase gene, and glucose-6-phosphate isomerase gene.
    Type: Grant
    Filed: December 20, 2002
    Date of Patent: October 12, 2010
    Assignee: Novozymes, Inc.
    Inventors: Alan Sloma, Regine Behr, William Widner, Maria Tang, David Sternberg, Stephen Brown
  • Patent number: 7666625
    Abstract: The present invention relates to methods of producing a heterologous biological substance, comprising: (a) cultivating a mutant of a parent Bacillus cell under conditions conducive for the production of the heterologous biological substance, wherein (i) the mutant cell comprises a first nucleic acid sequence directing synthesis of the heterologous biological substance and a second nucleic acid sequence comprising a modification of at least one of the genes cypX and yvmC, which are involved in the production of a red pigment, and (ii) the mutant cell is deficient in the production of the red pigment compared to the parent Bacillus cell when cultivated under the same conditions; and (b) recovering the heterologous biological substance from the cultivation medium. The present invention also relates to mutants of Bacillus cells and methods for producing the mutants.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: February 23, 2010
    Assignee: Novozymes, Inc.
    Inventors: Maria Tang, Alan Sloma, David Sternberg, Linda Sternberg, legal representative, Regine Behr
  • Publication number: 20100028944
    Abstract: The present invention relates to methods of obtaining genetic competence in non-competent Bacillus cells for their transformation with exogenous DNA.
    Type: Application
    Filed: December 19, 2007
    Publication date: February 4, 2010
    Applicant: Novozymes, Inc.
    Inventors: Randy Berka, Michelle Maranta, Maria Tang, Barbara Cherry
  • Publication number: 20090098606
    Abstract: The present invention relates to methods of producing a heterologous biological substance, comprising: (a) cultivating a mutant of a parent Bacillus cell under conditions conducive for the production of the heterologous biological substance, wherein (i) the mutant cell comprises a first nucleic acid sequence directing synthesis of the heterologous biological substance and a second nucleic acid sequence comprising a modification of at least one of the genes cypX and yvmC, which are involved in the production of a red pigment, and (ii) the mutant cell is deficient in the production of the red pigment compared to the parent Bacillus cell when cultivated under the same conditions; and (b) recovering the heterologous biological substance from the cultivation medium. The present invention also relates to mutants of Bacillus cells and methods for producing the mutants.
    Type: Application
    Filed: December 9, 2008
    Publication date: April 16, 2009
    Applicant: Novozymes, Inc.
    Inventors: Maria Tang, Alan Sloma, David Stemberg, Linda Stemberg, Regine Behr
  • Patent number: 7476516
    Abstract: The present invention relates to methods of producing a heterologous biological substance, comprising: (a) cultivating a mutant of a parent Bacillus cell under conditions conducive for the production of the heterologous biological substance, wherein (i) the mutant cell comprises a first nucleic acid sequence directing synthesis of the heterologous biological substance and a second nucleic acid sequence comprising a modification of at least one of the genes cypX and yvmC, which are involved in the production of a red pigment, and (ii) the mutant cell is deficient in the production of the red pigment compared to the parent Bacillus cell when cultivated under the same conditions; and (b) recovering the heterologous biological substance from the cultivation medium. The present invention also relates to mutants of Bacillus cells and methods for producing the mutants.
    Type: Grant
    Filed: July 25, 2003
    Date of Patent: January 13, 2009
    Assignee: Novozymes, Inc.
    Inventors: Maria Tang, Alan Sloma, David Sternberg, Regine Behr
  • Patent number: 7109009
    Abstract: Novel genes have been isolated which encode cytochrome P450 and NADPH reductase enzymes of the ?-hydroxylase complex of C. tropicalis 20336. Vectors including these genes, transfected host cells and transformed host cells are provided. Methods of producing of cytochrome P450 and NADPH reductase enzymes are also provided which involve transforming a host cell with a gene encoding these enzymes and culturing the cells. Methods of increasing the production of a dicarboxylic acid and methods of increasing production of the aforementioned enzymes are also provided which involve increasing in the host cell the number of genes encoding these enzymes. A method for discriminating members of a gene family by quantifying the expression of genes is also provided.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: September 19, 2006
    Assignee: Cognis Corporation
    Inventors: C. Ron Wilson, David L. Craft, L. Dudley Eirich, Mark Eshoo, Krishna M. Madduri, Cathy A. Cornett, Alfred A. Brenner, Maria Tang, John C. Loper, Martin Gleeson
  • Patent number: 7063972
    Abstract: Novel genes have been isolated which encode cytochrome P450 and NADPH reductase enzymes of the ?-hydroxylase complex of C. tropicalis 20336. Vectors including these genes, transfected host cells and transformed host cells are provided. Methods of producing of cytochrome P450 and NADPH reductase enzymes are also provided which involve transforming a host cell with a gene encoding these enzymes and culturing the cells. Methods of increasing the production of a dicarboxylic acid and methods of increasing production of the aforementioned enzymes are also provided which involve increasing in the host cell the number of genes encoding these enzymes. A method for discriminating members of a gene family by quantifying the expression of genes is also provided.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: June 20, 2006
    Assignee: Cognis Corporation
    Inventors: C. Ron Wilson, David L. Craft, L. Dudley Eirich, Mark Eshoo, Krishna M. Madduri, Cathy A. Cornett, Alfred A. Brenner, Maria Tang, John C. Loper, Martin Gleeson