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Preparing nitrogen-containing saccharide

Subclass of:

435 - Chemistry: molecular biology and microbiology

435041000 - MICRO-ORGANISM, TISSUE CELL CULTURE OR ENZYME USING PROCESS TO SYNTHESIZE A DESIRED CHEMICAL COMPOUND OR COMPOSITION

435072000 - Preparing compound containing saccharide radical

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
435085000 N-glycoside 816
Entries
DocumentTitleDate
20100086974HIGHLY PURE POLYSIALIC ACID AND PROCESS FOR PREPERATION THEREOF - The instant invention provides highly pure Polysialic acid and process for preparation thereof.04-08-2010
20130034878Chondroitin Synthase, Method for Producing The Same and Method for Producing Saccharide Chain-Extended Chondroitin - A vector of the present invention has DNA encoding a protein or a product having the same effect as the protein, the protein containing an amino acid sequence from amino acid numbers 47 to 802 in SEQ. ID. NO:2. Expression of the DNA gives human chondroitin synthase. By using human chondroitin synthase, it is possible to produce a saccharide chain having a repeating disaccharide unit of chondroitin. The DNA or part thereof may be used as a probe for hybridization for the human chondroitin synthase.02-07-2013
20090155852Hyaluronan synthase genes and expression thereof in bacillus hosts - The present invention relates to a recombinant 06-18-2009
20090155851NOVEL PROCESS FOR PREPARATION OF CHONDROITIN FRACTION - Provided are a method for producing a fraction containing more than 50% of CH represented by the general formula (1), which comprises at least the step of allowing a glucuronic acid donor, an N-acetylgalactosamine donor, a saccharide receptor, a chondroitin polymerase derived from the 06-18-2009
20090305357CHONDROITIN POLYMERASE AND DNA ENCODING THE SAME - A chondroitin polymerase having such properties that it transfers GlcUA and GalNAc alternately to a non-reduced terminal of a sugar chain from a GlcUA donor and a GalNAc donor, respectively, and the like; and a process for producing the chondroitin polymerase.12-10-2009
20110027831PRODUCTION OF SIALYLATED N-GLYCANS IN LOWER EUKARYOTES - The present invention relates to eukaryotic host cells which have been modified to produce sialylated glycoproteins by the heterologous expression of a set of glycosyltransferases, including sialyltransferase and/or trans-sialidase, to become host-strains for the production of mammalian, e.g., human therapeutic glycoproteins. Novel eukaryotic host cells expressing a CMP-sialic acid biosynthetic pathway for the production of sialylated glycoproteins are also provided. The invention provides nucleic acid molecules and combinatorial libraries which can be used to successfully target and express mammalian enzymatic activities (such as those involved in sialylation) to intracellular compartments in a eukaryotic host cell. The process provides an engineered host cell which can be used to express and target any desirable gene(s) involved in glycosylation.02-03-2011
20100136630PRODUCTION OF LOW MOLECULAR WEIGHT HYALURONIC ACID - The present invention relates to methods for producing a hyaluronic acid with a desired average molecular weight in the range of 20,000-800,000 Dalton, the methods comprising the steps of: 06-03-2010
20110287487HYALURONAN SYNTHASE GENES AND EXPRESSION THEREOF IN BACILLUS HOSTS - The present invention relates to a recombinant 11-24-2011
20110207178METHOD FOR PRODUCING HYALURONIC ACID - It is intended to provide a simple method for producing hyaluronic acid at a high yield. Further, it is also intended to provide a method for producing hyaluronic acid in a short period of time. The invention provides a method for producing hyaluronic acid including a step of culturing a microorganism having the capability to produce hyaluronic acid and a step of adding glutamine and arginine to a culture medium during late logarithmic growth phase of the microorganism.08-25-2011
20090246832PRODUCTION OF POLYSIALIC ACID CONTAINING GLYCOCONJUGATES USING A SELF-PRIMING POLYSIALYLTRANSFERASE - The invention relates to a fusion protein comprising a bifunctional sialytransferase and a poly-sialytransferase and methods to use the fusion proteins for production of poly-sialylated end products, e.g. oligosaccharides and glycoproteins.10-01-2009
20120142058Conversion of Chitin into N-Acetylglucosamine, Glucosamine and Bioethanol - Compositions and methods are provided for converting chitin into N-acetylglucosamine, glucosamine and ethanol. The chitin may be used directly from the environment, for example, as occurs in invertebrate cuticles, fungal cells and/or algae. Mutant bacteria were created by knocking out or inactivating one or more genes preferably resulting in the chitin catabolic sensor maintaining an activated state. Methods are further provided for converting the N-acetylglucosamine into ethanol by means of a genetically engineered yeast strain which can be optionally co-cultivated with the Vibrionaceae to produce significant yields of ethanol.06-07-2012
20110244520Compositions and Methods for Bacterial Production of Chondroitin - The invention relates to the field of recombinant DNA technology for the production of chondroitin, including the production of chondroitin sulfate via a combination of recombinant bacterial fermentation and post-fermentation sulfation.10-06-2011
20110059489METHOD FOR FERMENTATIVE PRODUCTION OF N-ACETYL-D-GLUCOSAMINE BY MICROORGANISM - N-Acetyl-D-glucosamine can be produced by cultivating a fungus capable of producing N-acetyl-D-glucosamine, such as 03-10-2011
20120149066Method for Producing Glucosamine by Culturing Microorganism with Low-cost Medium - A method for producing glucosamine with microorganism comprises of fermenting with a microorganism selected from the group consisting of 06-14-2012
20090023188Heparin/heparosan synthase from P. multocida and methods of making and using same - The presently claimed and disclosed invention relates, in general, to dual action heparin synthases and, more particularly, to dual action heparin synthases obtained from 01-22-2009
20110250647Corynebacterium Genus Microorganism Having Ability to Produce N-Acetyl Glucosamine and Method for Producing N-Acetyl Glucosamine or Glucosamine Using the Same - The present invention relates to a microorganism of the 10-13-2011
20120064575CHEMO-ENZYMATIC APPROACH TO THE SYNTHESIS OF PIMECROLIMUS - Processes for preparing pimecrolimus starting from ascomycin, exploiting the selectivity characteristics of the purified enzymatic systems particularly regarding the selective functionalization of the hydroxyl groups present in position 24 and 33 of ascomycin. Such method represents the first example of chemoenzymatic synthesis for preparing pimecrolimus.03-15-2012
20120009627PROCESS AND MATERIALS FOR PRODUCTION OF GLUCOSAMINE AND N-ACETYLGLUCOSAMINE - A biosynthetic method for producing glucosamine and N-acetylglucosamine is disclosed. Such a method includes the fermentation of a genetically modified microorganism to produce glucosamine and/or N-acetylglucosamine. Also disclosed are genetically modified microorganisms that are useful for producing glucosamine and N-acetylglucosamine. In addition, methods of recovering N-acetylglucosamine that has been produced by a fermentation process, including methods that result in N-acetylglucosamine of high purity, are described. Also disclosed is a method to produce glucosamine from N-acetylglucosamine.01-12-2012
20120135470BIOTECHNOLOGICAL PRODUCTION OF CHONDROITIN - An innovative method is described for the production of chondroitin at high concentration, by fermentation of genetically mutated bacteria.05-31-2012
20130171696SYNTHESIS OF NEW SIALOOLIGOSACCHARIDE DERIVATIVES - The invention relates to a method for the synthesis of compounds of general formula (1A) and salts thereof wherein one of the R groups is an α-sialyl moiety and the other is H, X07-04-2013
20110262972Chondroitin Synthase, Method for Producing the Same and Method for Producing Saccharide Chain-Extended Chondroitin - A vector of the present invention has DNA encoding a protein or a product having the same effect as the protein, the protein containing an amino acid sequence from amino acid numbers 47 to 802 in SEQ. ID. NO:2. Expression of the DNA gives human chondroitin synthase. By using human chondroitin synthase, it is possible to produce a saccharide chain having a repeating disaccharide unit of chondroitin. The DNA or part thereof may be used as a probe for hybridization for the human chondroitin synthase.10-27-2011
20080199914Modified Alginates, Methods of Production and Use - Process for preparing a modified alginate polymers are disclosed. The processes comprise the steps of covalently attaching a modifying moiety to one or more unmodified monomeric subunits of an alginate polymer; and changing one or more unmodified mannuronic (M) monomeric subunits of the alginate polymer to one or more unmodified guluronic (G) monomeric sub-units by an enzymatic epimerization reaction performed in any order. Processes for preparing alginate gels, fiber, and compositions are also disclosed. Modified alginates in which only M monomeric subunits are modified, and alginate gels, fibers and compositions comprising the same, are disclosed.08-21-2008
20130189740PROCESS FOR THE PRODUCTION OF HYALURONIC ACID IN ESCHERICHIA COLI OR BACILLUS SUBTILIS - The present invention relates to a method for the production of hyaluronic acid (HA) in 07-25-2013
20120028309Method for producing indole derivative - The present invention provides a method for in vitro producing an indole derivative in a one-pot reaction. The method for producing a rhamnosylated indolocarbazole compound includes the steps of transforming a plasmid carrying a gene encoding N-glycosyltransferase into a bacterial strain; expressing the gene encoding N-glycosyltransferase in the bacterial strain; lysing the bacterial strain to obtain a crude enzyme extract; and adding TDP-glucose, an indolocarbazole aglycone and a metal ion in the crude enzyme extract for performing an enzymatic reaction to form the rhamnosylated indolocarbazole compound. Alternatively, the method for producing an indole-3-carboxaldehyde analog includes the steps of transforming a plasmid carrying a gene encoding NokA of 02-02-2012
20130196381CELL-BASED PRODUCTION OF NANULOSONATES - The present invention relates to the cell-based production of bacterial nonulosonates and their biosynthetic precursors. Specifically, the present invention provides recombinant cells for the production of pseudaminic acid, legionaminic acid, UDP-2,4-diacetamido-2,4,6-trideoxy-β-L-altropyranose, and UDP-2,4-diacetamido-2,4,6-trideoxy-α-D-glucopyranose. Methods for producing the sugars are also provided.08-01-2013
20130210077CSNR-DEFICIENT ACTINOBACTERIA FOR THE PRODUCTION OF AN ENZYME HAVING CHITOSANASE ACTIVITY - The present invention relates to genetically modified actinobacteria for the production of an enzyme having chitosanase activity. The genetically modified actinobacteria have a reduced (or abolished) activity of the CsnR polypeptide. Such reduced activity can be obtained by reducing the capacity of expressing the csnR gene, its corresponding transcript or expressing a dominant-negative CsnR polypeptide. Such genetically modified actinobacteria are less dependent (and, in some embodiment, totally independent) on the presence of chitosan in the culture medium for producing an enzyme having chitosanase activity. In addition, the genetically modified bacteria produce less proteases in the culture medium and ultimately provide a chitosanase end-product with higher purity.08-15-2013

Patent applications in class Preparing nitrogen-containing saccharide

Patent applications in all subclasses Preparing nitrogen-containing saccharide