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).
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Publication number: 20230313209Abstract: 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: ApplicationFiled: July 2, 2021Publication date: October 5, 2023Applicant: Novozymes A/SInventor: Maria Tang
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Publication number: 20230016040Abstract: 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: ApplicationFiled: November 18, 2020Publication date: January 19, 2023Applicant: NOVOZYMES BIOAG A/SInventors: William Nathan Cude, Hugh Young, Leah Blasiak, Kelly Leanne Rowells, Timothy Liburn, Charles Hall, Maria Tang, Charles Knight
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Patent number: 8685738Abstract: The present invention relates to methods of obtaining genetic competence in non-competent Bacillus cells for their transformation with exogenous DNA.Type: GrantFiled: February 6, 2013Date of Patent: April 1, 2014Assignee: Novozymes, Inc.Inventors: Randy Berka, Michelle Maranta, Maria Tang, Barbara Cherry
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Publication number: 20140038235Abstract: 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: ApplicationFiled: October 10, 2013Publication date: February 6, 2014Applicant: Novozymes Biopharma DK A/SInventors: Alan Sloma, Regine Behr, William Widner, Stephen Brown, Maria Tang, David Sternberg
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Patent number: 8574886Abstract: 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: GrantFiled: February 21, 2012Date of Patent: November 5, 2013Assignee: Novozymes, Inc.Inventors: Regine Behr, William Widner, Maria Tang, Stephen Brown, Leslie Naggiar, Linda Sternberg
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Patent number: 8389283Abstract: The present invention relates to methods of obtaining genetic competence in non-competent Bacillus cells for their transformation with exogenous DNA.Type: GrantFiled: December 19, 2007Date of Patent: March 5, 2013Assignee: Novozymes, Inc.Inventors: Randy Berka, Michelle Maranta, Maria Tang, Barbara Cherry
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Publication number: 20120149067Abstract: 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: ApplicationFiled: February 21, 2012Publication date: June 14, 2012Applicant: Novozymes, Inc.Inventors: Alan Sloma, Leslie Naggiar, Regine Behr, William Widner, Maria Tang, David Sternberg, Linda Sternberg, Stephen Brown
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Patent number: 8137951Abstract: 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: GrantFiled: April 11, 2011Date of Patent: March 20, 2012Assignee: Novozymes, Inc.Inventors: Alan Sloma, Leslie Naggiar, legal representative, Regine Behr, William Widner, Maria Tang, David Sternberg, Linda Sternberg, legal representative, Stephen Brown
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Patent number: 8124376Abstract: 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: GrantFiled: February 10, 2010Date of Patent: February 28, 2012Assignee: Novozymes, Inc.Inventors: Maria Tang, Alan Sloma, Leslie Naggiar, legal representative, David Sternberg, Linda Sternberg, legal representative, Regine Behr
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Patent number: 8093036Abstract: 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: GrantFiled: September 27, 2010Date of Patent: January 10, 2012Assignee: Novozymes, Inc.Inventors: Alan Sloma, Leslie Naggiar, legal representative, Regine Behr, William Widner, Maria Tang, David Sternberg, Linda Sternberg, legal representative, Stephen Brown
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Publication number: 20110189737Abstract: 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: ApplicationFiled: April 11, 2011Publication date: August 4, 2011Applicant: Novozymes, Inc.Inventors: Alan Sloma, Regine Behr, William Widner, Maria Tang, David Sternberg, Stephen Brown, Leslie Naggiar, Linda Sternberg
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Publication number: 20110014662Abstract: 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: ApplicationFiled: September 27, 2010Publication date: January 20, 2011Applicant: Novozymes, Inc.Inventors: Alan Sloma, Leslie Naggiar, Regine Behr, William Widner, Maria Tang, David Sternberg, Linda Sternberg, Stephen Brown
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Publication number: 20100330618Abstract: 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: ApplicationFiled: February 10, 2010Publication date: December 30, 2010Applicant: Novozymes, Inc.Inventors: Maria Tang, Alan Sloma, Leslie Naggiar, David Sternberg, Linda Sternberg, Regine Behr
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Patent number: 7811806Abstract: 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: GrantFiled: December 20, 2002Date of Patent: October 12, 2010Assignee: Novozymes, Inc.Inventors: Alan Sloma, Regine Behr, William Widner, Maria Tang, David Sternberg, Stephen Brown
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Patent number: 7666625Abstract: 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: GrantFiled: December 9, 2008Date of Patent: February 23, 2010Assignee: Novozymes, Inc.Inventors: Maria Tang, Alan Sloma, David Sternberg, Linda Sternberg, legal representative, Regine Behr
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Publication number: 20100028944Abstract: The present invention relates to methods of obtaining genetic competence in non-competent Bacillus cells for their transformation with exogenous DNA.Type: ApplicationFiled: December 19, 2007Publication date: February 4, 2010Applicant: Novozymes, Inc.Inventors: Randy Berka, Michelle Maranta, Maria Tang, Barbara Cherry
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Publication number: 20090098606Abstract: 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: ApplicationFiled: December 9, 2008Publication date: April 16, 2009Applicant: Novozymes, Inc.Inventors: Maria Tang, Alan Sloma, David Stemberg, Linda Stemberg, Regine Behr
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Patent number: 7476516Abstract: 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: GrantFiled: July 25, 2003Date of Patent: January 13, 2009Assignee: Novozymes, Inc.Inventors: Maria Tang, Alan Sloma, David Sternberg, Regine Behr
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Patent number: 7109009Abstract: 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: GrantFiled: April 2, 2003Date of Patent: September 19, 2006Assignee: Cognis CorporationInventors: 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
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Patent number: 7063972Abstract: 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: GrantFiled: May 3, 2002Date of Patent: June 20, 2006Assignee: Cognis CorporationInventors: 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