Patents by Inventor Bettina Mockel

Bettina Mockel 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: 6670156
    Abstract: The present application is directed to a diaminopimelate epimerase from Corynebacterium glutamicum and to polynucleotides encoding this enzyme. The gene has been given the designation “dapF.
    Type: Grant
    Filed: October 27, 1999
    Date of Patent: December 30, 2003
    Assignee: Degussa AG
    Inventors: Bettina Möckel, Walter Pfefferle, Brigitte Bathe, Jorn Kalinowski, Oliver Kirchner, Michael Hartmann, Alfred Pühler
  • Publication number: 20030224499
    Abstract: The invention relates to an isolated polynucleotide containing a polynucleotide sequence selected from the group comprising
    Type: Application
    Filed: March 29, 2001
    Publication date: December 4, 2003
    Inventors: Mike Farwick, Bettina Mockel, Walter Pfefferle
  • Patent number: 6638753
    Abstract: The invention relates to a genetically modified coryneform bacterium, the cma gene of which is amplified, and an isolated polynucleotide which codes for cyclopropane-mycolic acid synthase from coryneform bacteria, and also a method for the fermentative preparation of L-amino acids with amplification of the cma gene in the bacteria and the use of the polynucleotide as a primer or hydridization probe.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: October 28, 2003
    Assignees: Degussa AG, Forschungszentrum Julich GmbH
    Inventors: Madhavan Nampoothiri K., Bettina Möckel, Lothar Eggeling, Hermann Sahm
  • Publication number: 20030199045
    Abstract: The invention relates to a process for the preparation of L-amino acids. The process involves fermenting an L-amino acid producing coryneform bacteria in a culture medium, concentrating L-amino acid in the culture medium or in the cells of the bacteria, and isolating the L-amino acid produced. The bacteria has an amplified gene encoding the Zwischenferment protein.
    Type: Application
    Filed: March 6, 2002
    Publication date: October 23, 2003
    Inventors: Kevin Burke, Hermann Sahm, Lothar Eggeling, Bernd Moritz, L. K. Dunican, Ashling McCormack, Cliona Stapelton, Bettina Mockel, Georg Thierbach, Rita Dunican
  • Patent number: 6632644
    Abstract: The invention relates to an isolated polynucleotide comprising a polynucleotide sequence chosen from the group consisting of a) polynucleotide which is identical to the extent of at least 70% to a polynucleotide which codes for a polypeptide which comprises the amino acid sequence of SEQ ID NO 2, b) polynucleotide which codes for a polypeptide which comprises an amino acid sequence which is identical to the extent of at least 70% to the amino acid sequence of SEQ ID NO 2 c) polynucleotide which is complementary to the polynucleotides of a) and b) and d) polynucleotide comprising at least 15 successive nucleotides of the polynucleotide sequence of a), b) or c), and processes for the fermentative preparation of L-amino acid with amplification of the zwa1 gene in the coryneform bacteria employed.
    Type: Grant
    Filed: December 8, 2000
    Date of Patent: October 14, 2003
    Assignee: DeGussa AG
    Inventors: Bettina Möckel, Walter Pfefferle, Achim Marx, Jörn Kalinowski, Brigitte Bathe, Alfred Pühler
  • Patent number: 6623946
    Abstract: Polynucleotides that contain polynucleotide sequences encoding the sucC and sucD genes, selected from the group a) a polynucleotide that is at least 70% identical to a polynucleotide encoding a polypeptide that contains the amino acid sequence of SEQ ID NO:2, b) a polynucleotide that is at least 70% identical to a polynucleotide encoding a polypeptide that contains the amino acid sequence of SEQ ID NO:3, c) a polynucleotide encoding a polypeptide that contains an amino acid sequence that is at least 70% identical to the amino acid sequence of SEQ ID NO:2, d) a polynucleotide encoding a polypeptide that contains an amino acid sequence that is at least 70% identical to the amino acid sequence of SEQ ID NO:3, e) a polynucleotide that is complementary to one of the polynucleotides of a), b), c) or d), and f) a polynucleotide containing at least 15 successive nucleotides of the polynucleotide sequence of a), b), c), d) or e), a process for the fermentative production of L-amino acids using coryneform bacter
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: September 23, 2003
    Assignee: Degussa AG
    Inventors: Bettina Möckel, Walter Pfefferle, Achim Marx
  • Publication number: 20030175911
    Abstract: The invention relates to a process for the preparation of L-amino acids by the fermentation of coryneform bacteria. The process involves: fermenting an L-amino acid-producing bacteria in which at least the zwf gene is amplified; concentrating the L-amino acid in the medium or in the cells of the bacteria; and isolating the L-amino acid produced.
    Type: Application
    Filed: January 3, 2003
    Publication date: September 18, 2003
    Inventors: Stephen Hans, Brigitte Bathe, Alexander Reth, Georg Thierbach, Caroline Kreutzer, Bettina Mockel
  • Publication number: 20030166173
    Abstract: The present invention provides an isolated polynucleotide containing a polynucleotide sequence selected from the group
    Type: Application
    Filed: May 7, 2002
    Publication date: September 4, 2003
    Inventors: Bettina Mockel, Achim Marx, Walter Pfefferle
  • Publication number: 20030162269
    Abstract: The invention relates to L-lysine-producing strains of corynebacteria with enhanced lysE gene (lysine export carrier gene), in which strains additional genes chosen from the group comprising the dapA gene (dihydrodipicolinate synthase gene), the lysC gene (aspartate kinase gene), the dapB gene (dihydrodipicolinate reductase gene) and the pyc gene, but especially the dapA gene and the lysC gene (aspartate kinase gene), are enhanced and, in particular, over-expressed, and to a process for the preparation of L-lysine.
    Type: Application
    Filed: January 8, 2003
    Publication date: August 28, 2003
    Inventors: Caroline Kreutzer, Stephan Hans, Mechthild Rieping, Bettina Mockel, Walter Pfefferle, Lothar Eggeling, Hermann Sahm, Miroslav Patek
  • Publication number: 20030148476
    Abstract: An isolated polynucleotide from coryneform bacteria containing a polynucleotide sequence selected from the group:
    Type: Application
    Filed: November 25, 2002
    Publication date: August 7, 2003
    Inventors: Lutz Wehmeier, Andreas Tauch, Alfred Puhler, Jorn Kalinowski, Bettina Mockel
  • Publication number: 20030138917
    Abstract: The present invention relates to polynucleotides that encode proteins having OpcA enzymatic activity. These polynucleotides can be used for increasing lysine biosynthesis in Coryneform glutamicum.
    Type: Application
    Filed: May 3, 2002
    Publication date: July 24, 2003
    Inventors: L. K. Dunican, Rita Dunican, Ashling McCormack, Cliona Stapleton, Kevin Burke, Bernd S. Moritz, Lothar Eggeling, Hermann Sahm, Bettina Mockel, Anke Weissenborn
  • Patent number: 6586214
    Abstract: The present invention is directed to isolated polynucleotides coding for phosphoglucose isomerase (pgi) from coryneform bacteria. In addition, the invention includes methods for increasing the metabolic flux through pentose phosphate cycle of bacteria by reducing or eliminating the activity of pgi. These methods may be used to increase the fermentative production of nucleotides, vitamins and amino acids.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: July 1, 2003
    Assignee: Degussa AG
    Inventors: L. K. Dunican, Ashling McCormack, Cliona Stapleton, Kevin Burke, Michael O'Donohue, Achim Marx, Bettina Mockel
  • Publication number: 20030119154
    Abstract: The invention relates to a process for the preparation of L-amino acids. The process involves fermenting an L-amino acid producing coryneform bacteria in a culture medium, concentrating L-amino acid produced by the fermenting in the culture medium or in the cells of the bacteria, and isolating the L-amino acid produced. The bacteria has an overexpressed gene encoding 6-phosphogluconate dehydrogenase and a decreased or switched off gene encoding pyruvate oxidase. The L-amino acid may be L-lysine, L-threonine, L-isoleucine or L-tryptophan.
    Type: Application
    Filed: February 20, 2002
    Publication date: June 26, 2003
    Inventors: L. K. Dunican, Ashling McCormack, Cliona Stapelton, Kevin Burke, Bettina Mockel
  • Publication number: 20030109014
    Abstract: The invention relates to a process for the preparation of L-amino acids by the fermentation of coryneform bacteria that over-express a gene encoding transketolase.
    Type: Application
    Filed: May 14, 2002
    Publication date: June 12, 2003
    Inventors: Kevin Burke, L. K. Dunican, Rita Duncian, Ashling McCormack, Cliona Stapleton, Bettina Mockel, Georg Thierbach
  • Publication number: 20030100079
    Abstract: This invention relates to isolated polynucleotides containing a polynucleotide sequence related to selected SEQ ID nos and to processes for the fermentative production of L-amino acids with attenuation of the sdhA, sdhB or sdhC gene which code for subunit A, B or C of the enzyme succinate dehydrogenase.
    Type: Application
    Filed: December 11, 2000
    Publication date: May 29, 2003
    Inventors: Bettina Mockel, Walter Pfefferle, Achim Marx
  • Patent number: 6562607
    Abstract: This invention relates to a genetically modified coryneform bacterium, the cls gene of which is amplified, and to an isolated polynucleotide, which codes for cardiolipin synthase from coryneform bacteria and to a process for the fermentative production of L-amino acids with amplification of the cls gene in the bacteria and to the use of the polynucleotide as a primer or hybridization probe.
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: May 13, 2003
    Assignees: Degussa-Huls Aktiengesellschaft, Forschungszentrum Julich GmbH
    Inventors: Madhavan Nampoothiri K., Bettina Möckel, Walter Pfefferle, Lothar Eggeling, Hermann Sahm
  • Publication number: 20030087400
    Abstract: The invention relates to a process for the production of L-amino acids, and in particular L-lysine, in which the following steps are performed,
    Type: Application
    Filed: June 25, 2002
    Publication date: May 8, 2003
    Inventors: Bettina Mockel, Walter Pfefferle, Sven Brand, Alfred Puhler, Jorn Kalinowski, Brigitte Bathe
  • Publication number: 20030022320
    Abstract: The invention relates to an isolated polynucleotide containing a polynucleotide sequence selected from the group comprising:
    Type: Application
    Filed: July 18, 2002
    Publication date: January 30, 2003
    Applicant: Degussa-Huls Aktiengesellschaft
    Inventors: Bettina Mockel, Walter Pfefferle
  • Publication number: 20030017555
    Abstract: The present invention relates to an isolated polynucleotide coding for the lrp gene and to a process for the fermentative production of L-amino acids by altering the expression of this gene.
    Type: Application
    Filed: April 30, 2002
    Publication date: January 23, 2003
    Inventors: Brigitte Bathe, Jorn Kalinowski, Alfred Puhler, Bettina Mockel, Walter Pfefferle
  • Publication number: 20030003548
    Abstract: The invention relates to isolated nucleotide sequences from Coryneform bacteria which code for the pck gene encoding the enzyme phosphoenol pyruvate carboxykinase (PEP carboxykinase). The invention also relates a process for the fermentative preparation of L-amino acids, in particular L-lysine, L-threonine, and L-glutamate by attenuation of the pck gene.
    Type: Application
    Filed: May 6, 2002
    Publication date: January 2, 2003
    Inventors: Bernhard Eikmanns, Christian Riedel, Hermann Sahm, Bettina Mockel