Patents by Inventor Stefan Jennewein

Stefan Jennewein 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: 20180340194
    Abstract: An object of the present invention is to provide a technique for producing 1,4-butanediol by recombinant cells. Provided is a recombinant cell that is acetogenic and obligatory anaerobic, wherein the recombinant cell includes a gene encoding at least one enzyme selected from the group consisting of succinate semialdehyde dehydrogenase, succinyl-CoA synthase, CoA-dependent succinate semialdehyde dehydrogenase, 4-hydroxybutyrate dehydrogenase, 4-hydroxybutyryl-CoA transferase, 4-hydroxybutyryl-CoA reductase, 4-hydroxybutyraldehyde dehydrogenase, and alcohol dehydrogenase, the gene is expressed in the recombinant cell, and the recombinant cell produces 1,4-butandiol.
    Type: Application
    Filed: September 2, 2015
    Publication date: November 29, 2018
    Applicants: SEKISUI CHEMICAL CO., LTD., FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Masahiro FURUTANI, Stefan JENNEWEIN, Rainer FISCHER, Christopher MCELROY, Stefan GAIDA
  • Publication number: 20180305724
    Abstract: The present invention relates to methods for the production of oligosaccharides in genetically modified bacterial host cells, as well as to the genetically modified host cells used in the methods. The genetically modified host cell comprises at least one recombinant glycosyltransferase, and at least one nucleic acid sequence coding for a protein enabling the export of the oligosaccharide.
    Type: Application
    Filed: September 12, 2016
    Publication date: October 25, 2018
    Inventors: Stefan JENNEWEIN, Dirk WARTENBERG
  • Publication number: 20180273996
    Abstract: The present invention relates to a process for producing a monosaccharide, e.g. L-fucose, in free form using a microbial fermentation process. The used microorganism exhibits hydrolase activity on nucleotide-activated sugars and releases the monosaccharide in an unmodified free form. The free monosaccharide is retrieved from the supernatant of the cultivated microorganism.
    Type: Application
    Filed: January 29, 2016
    Publication date: September 27, 2018
    Inventors: Stefan JENNEWEIN, Katja PARSCHAT
  • Patent number: 10011821
    Abstract: The present invention relates to the production of hydroxylated protoilludenes and/or sesquiterpenoid protoilludene-type aryl esters using newly identified genes that can be employed. The present invention accordingly relates to a host microorganism that has been transformed with the newly identified nucleotide sequences and to methods employing the transformed microorganism.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: July 3, 2018
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forshung e. V.
    Inventors: Stefan Jennewein, Benedikt Engels
  • Patent number: 9968625
    Abstract: The present invention relates to synthetic fucosylated oligosaccharide for use in the treatment or prophylaxis of an infection with a Norwalk-like Virus or Rotavirus of a mam-mal, wherein the synthetic fucosylated oligosaccharide comprises a non-reducing end and an reducing end, wherein the reducing end comprises a first carbohydrate unit consisting of a galactose (Gal) linked via a ?1-4 glycosidic bond to a glucose (Glc), and wherein the non-reducing end comprises a second carbohydrate unit linked via a ?1-3 glycosidic bond to the first carbohydrate unit of the reducing end, and wherein the second carbohydrate unit comprises a) at least one or more of a fucose (Fucose) and a Galactose (Gal), and b) at least one or more of a N-acetylglucosamine (GlcNAc) or a N-acetylgalactosamine (GalNAc).
    Type: Grant
    Filed: August 19, 2015
    Date of Patent: May 15, 2018
    Assignee: Jennewein Biotechnologie GmbH
    Inventor: Stefan Jennewein
  • Patent number: 9938549
    Abstract: The present invention relates to a process for producing a monosaccharide using a microorganism. The microorganism possesses a glycosyltransferase and a glycosidase which work together to synthesize a desired monosaccharide in free form by using an endogenous provided nucleotide activated monosaccharide, glycosylate a suitable acceptor substrate and release the desired monosaccharide by a hydrolysis reaction. The required acceptor substrate for the reaction is recycled and only needed in catalytic amounts. The monosaccharide is produced in free from and is retrieved from the supernatant of the cultivated microorganism.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: April 10, 2018
    Assignee: Jennewein Biotechnologie GmbH
    Inventors: Stefan Jennewein, Katja Parschat
  • Patent number: 9783828
    Abstract: To provide a series of techniques capable of producing isoprene from syngas or the like. Provided is a recombinant cell prepared by introducing a nucleic acid encoding isoprene synthase into a host cell having an isopentenyl diphosphate synthesis ability by a non-mevalonate pathway, wherein the nucleic acid is expressed in the host cell, and the recombinant cell is capable of producing isoprene from at least one C1 compound selected from the group consisting of carbon monoxide, carbon dioxide, formic acid, and methanol. As the host cell, a Clostridium bacterium or a Moorella bacterium is exemplified. Also provided is a method for producing isoprene using the recombinant cell.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: October 10, 2017
    Assignees: SEKISUI CHEMICAL CO., LTD., FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
    Inventors: Masahiro Furutani, Akihiro Uenishi, Koichiro Iwasa, Stefan Jennewein, Rainer Fischer
  • Patent number: 9611285
    Abstract: The present invention relates to nucleic acid and amino acid sequences from Escherichia coli serogroup O126, coding for/representing a novel alpha-1,2-fucosyltransferase. The invention also provides uses and methods for using the alpha-1,2-fucosyltransferase to generate fucosylated products, such as oligosaccharides, (glyco)proteins, or (glyco)lipids, in particular oligosaccharides found in human milk, such as 2?-fucosyllactose.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: April 4, 2017
    Assignee: Jennewein Biotechnologie GmbH
    Inventors: Julia Parkot, Eric Huefner, Stefan Jennewein, Lothar Elling, Leonie Engels
  • Patent number: 9512433
    Abstract: The present invention relates to a cell to be stably cultured in a medium, which cell is adjusted for the production of oligosaccharides, the cell being transformed to comprise at least one nucleic acid sequence coding for an enzyme involved in oligosaccharide synthesis. In addition the cell is transformed to comprise at least one nucleic acid sequence coding for a protein of the sugar efflux transporter family, a functional homolog or derivative thereof. Further, the invention concerns a method for the production of oligosaccharides involving above cell.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: December 6, 2016
    Assignee: JENNEWEIN BIOTECHNOLOGIE GmbH
    Inventors: Stefan Jennewein, Eric Huefner, Julia Parkot
  • Publication number: 20160333042
    Abstract: The present application discloses a simple process for the purification of neutral human milk oligosaccharides (HMOs) produced by microbial fermentation. The process uses a combination of a cationic ion exchanger treatment, an anionic ion exchanger treatment, and a nanofiltration and/or electrodialysis step, which allows efficient purification of large quantities of neutral HMOs at high purity. Contrary to the purification currently used in fermentative production of neutral HMOs, the presented process allows the provision of HMOs without the need of a chromatographic separation. The so purified HMOs may be obtained in solid form by spray drying, as crystalline material or as sterile filtered concentrate. The provided HMOs are free of proteins and recombinant material originating from the used recombinant microbial strains and thus very well-suited for use in food, medical food and feed (e.g. pet food) applications.
    Type: Application
    Filed: December 23, 2014
    Publication date: November 17, 2016
    Applicant: JENNEWEIN BIOTECHNOLOGIE GMBH
    Inventor: Stefan JENNEWEIN
  • Publication number: 20160319251
    Abstract: The present invention relates to the production of hydroxylated protoilludenes and/or sesquiterpenoid protoilludene-type aryl esters using newly identified genes that can be employed. The present invention accordingly relates to a host microorganism that has been transformed with the newly identified nucleotide sequences and to methods employing the transformed microorganism.
    Type: Application
    Filed: June 22, 2016
    Publication date: November 3, 2016
    Applicant: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
    Inventors: Stefan Jennewein, Benedikt Engels
  • Patent number: 9441211
    Abstract: The present invention relates to nucleic acid and amino acid sequences from Akkermansia muciniphila and from Bacteroides fragilis, coding for/representing novel alpha-1,3-fucosyltransferases. The invention also provides uses and methods for using the alpha-1,3-fucosyltransferases to generate fucosylated products, such as oligosaccharides, (glyco)proteins, or (glyco)lipids, in particular of 3-fucosyllactose.
    Type: Grant
    Filed: April 10, 2013
    Date of Patent: September 13, 2016
    Assignee: JENNEWEIN BIOTECHNOLOGIE GMBH
    Inventors: Julia Parkot, Eric Hüfner, Stefan Jennewein
  • Publication number: 20160237104
    Abstract: The present application discloses a process for the purification of a neutral human milk oligosaccharide (neutral HMO). The process uses simulated moving bed (SMB) chromatography which allows the continuous purification of large quantities of HMOs with high purity. Contrary to chemical synthesis routes of neutral HMOs, and their subsequent purification, the presented process allows the provision of HMOs free of noxious chemicals, such as e.g. trace amounts of heavy metals or organic solvents. The individual neutral HMO product may be obtained in solid form by spray drying or as a concentrated syrup. The provided neutral HMO is very well-suited for use in food applications.
    Type: Application
    Filed: October 2, 2014
    Publication date: August 18, 2016
    Applicant: Jennewein Biotechnologie GmbH
    Inventors: Stefan JENNEWEIN, Markus HELFRICH
  • Publication number: 20160186223
    Abstract: The present invention relates to the use of one or more glycosidases in the process for the production and/or purification of a produced desired oligosaccharide. The process is preferably a microbial fermentation process using a host microorganism, which may also comprise nucleic acids expressing sugar catabolic pathway proteins suitable for the degradation of saccharides otherwise hindering the purification of the desired oligosaccharide.
    Type: Application
    Filed: March 10, 2016
    Publication date: June 30, 2016
    Applicant: JENNEWEIN BIOTECHNOLOGIE GMBH
    Inventor: Stefan Jennewein
  • Publication number: 20150352133
    Abstract: The present invention relates to synthetic fucosylated oligosaccharide for use in the treatment or prophylaxis of an infection with a Norwalk-like Virus or Rotavirus of a mam-mal, wherein the synthetic fucosylated oligosaccharide comprises a non-reducing end and an reducing end, wherein the reducing end comprises a first carbohydrate unit consisting of a galactose (Gal) linked via a ?1-4 glycosidic bond to a glucose (Glc), and wherein the non-reducing end comprises a second carbohydrate unit linked via a ?1-3 glycosidic bond to the first carbohydrate unit of the reducing end, and wherein the second carbohydrate unit comprises a) at least one or more of a fucose (Fucose) and a Galactose (Gal), and b) at least one or more of a N-acetylglucosamine (GlcNAc) or a N-acetylgalactosamine (GalNAc).
    Type: Application
    Filed: August 19, 2015
    Publication date: December 10, 2015
    Applicant: JENNEWEIN BIOTECHNOLOGIE GMBH
    Inventor: Stefan Jennewein
  • Publication number: 20150284742
    Abstract: To provide a series of techniques capable of producing isoprene from syngas or the like. Provided is a recombinant cell prepared by introducing a nucleic acid encoding isoprene synthase into a host cell having an isopentenyl diphosphate synthesis ability by a non-mevalonate pathway, wherein the nucleic acid is expressed in the host cell, and the recombinant cell is capable of producing isoprene from at least one C1 compound selected from the group consisting of carbon monoxide, carbon dioxide, formic acid, and methanol. As the host cell, a Clostridium bacterium or a Moorella bacterium is exemplified. Also provided is a method for producing isoprene using the recombinant cell.
    Type: Application
    Filed: October 22, 2013
    Publication date: October 8, 2015
    Inventors: Masahiro Furutani, Akihiro Uenishi, Koichiro Iwasa, Stefan Jennewein, Rainer Fischer
  • Publication number: 20150240277
    Abstract: The present invention relates to a process for producing a monosaccharide using a microorganism. The microorganism possesses a glycosyltransferase and a glycosidase which work together to synthesize a desired monosaccharide in free form by using an endogenous provided nucleotide activated monosaccharide, glycosylate a suitable acceptor substrate and release the desired monosaccharide by a hydrolysis reaction. The required acceptor substrate for the reaction is recycled and only needed in catalytic amounts. The monosaccharide is produced in free from and is retrieved from the supernatant of the cultivated microorganism.
    Type: Application
    Filed: April 29, 2015
    Publication date: August 27, 2015
    Applicant: JENNEWEIN BIOTECHNOLOGIE GMBH
    Inventors: Stefan Jennewein, Katja Parschat
  • Patent number: 9005939
    Abstract: The present invention relates to an isolated, recombinant or synthetic polynucleotide encoding a polypeptide with protoilludene synthase activity and comprising a sequence selected from the group consisting of a) SEQ ID Nos. 1 or 14 of the attached sequence listing; b) a nucleic acid sequence complementary to SEQ ID Nos. 1 or 14; c) nucleic acid sequences which hybridize under stringent conditions to the nucleic acid sequences defined in a) and b) or their complementary strands, as well as to the polypeptide encoded by the isolated polynucleotide, as well as a method for the production of melleolides employing the polynucleotide or polypeptide of the invention.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: April 14, 2015
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Stefan Jennewein, Benedikt Engels, Torsten Grothe, Marc Stadler
  • Publication number: 20140120611
    Abstract: The present invention relates to a cell to be stably cultured in a medium, which cell is adjusted for the production of oligosaccharides, the cell being transformed to comprise at least one nucleic acid sequence coding for an enzyme involved in oligosaccharide synthesis. In addition the cell is transformed to comprise at least one nucleic acid sequence coding for a protein of the sugar efflux transporter family, a functional homolog or derivative thereof. Further, the invention concerns a method for the production of oligosaccharides involving above cell.
    Type: Application
    Filed: December 9, 2013
    Publication date: May 1, 2014
    Applicant: JENNEWEIN BIOTECHNOLOGIE GmbH
    Inventors: Stefan Jennewein, Eric Huefner, Julia Parkot
  • Patent number: 8652808
    Abstract: The present invention relates to a cell to be stably cultured in a medium, which cell is adjusted for the production of oligosaccharides, the cell being transformed to comprise at least one nucleic acid sequence coding for an enzyme involved in oligosaccharide synthesis. In addition the cell is transformed to comprise at least one nucleic acid sequence coding for a protein of the sugar efflux transporter family, a functional homolog or derivative thereof. Further, the invention concerns a method for the production of oligosaccharides involving above cell.
    Type: Grant
    Filed: November 30, 2011
    Date of Patent: February 18, 2014
    Assignee: Jennewein Biotechnologie GmbH
    Inventors: Stefan Jennewein, Eric Huefner, Julia Parkot