Candida Patents (Class 435/921)
  • Patent number: 8383373
    Abstract: The present invention particularly discovered strains that are capable of producing a long-chain dicarboxylic acid by culturing microorganisms belonging to Candida vini Candida entamophila, Candida blankii and Pichia farinosa which has the ability to produce a long-chain dicarboxylic acid in a liquid medium containing a straight-chain saturated hydrocarbon (tridecane) as substrate.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: February 26, 2013
    Assignee: Council of Scientific & Industrial Research
    Inventors: Ahmed Kamal, Sheelu Gurrala, Wasantrao Nitin Fadnavis
  • Patent number: 7625728
    Abstract: Effective processes are provided for the production of xylitol and ethanol and other products from solutions derived from lignocellulose-containing material in biomass. The solutions can be hydrolyzed or partially hydrolyzed before being fermented with microbes. The fermented solution can be distilled and can be subsequently separated, such as, by chromatographic separation, membrane separation, etc. The recovered xylitol solution can be crystallized to provide pure xylitol crystals.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: December 1, 2009
    Assignee: Danisco Sweeteners Oy
    Inventors: Olli-Pekka Eroma, Heikki Heikkila, Heikki Ojamo, Päivi Sarmala, Göran Hyöky, Leena Rahkila, Marja-Leena Sarkki, Tapio Viljava
  • Patent number: 7491511
    Abstract: There can be provided a fungal antigen which is an insoluble fraction obtainable from fungal cells of which cell wall has been substantially removed or at least partially removed; a process for producing the same; a nucleic acid encoding the fungal antigen; a biologic product containing the fungal antigen; a method of stimulating immunological responses by using the biologic product; a method of suppressing allergic reaction to fungi in a vertebrate; and a method for diagnosing a disease caused by fungi in a vertebrate.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: February 17, 2009
    Assignee: Takara Bio Inc.
    Inventors: Kazutoh Takesako, Shigetoshi Mizutani, Masahiro Endo, Ikunoshin Kato
  • Patent number: 7413881
    Abstract: A highly deacetylated chitosan obtained from microbial biomass, a method of obtaining chitosan from microbial biomass, and biomass for making chitosan are disclosed. The method includes providing chitin-containing biomass; reacting the chitin-containing biomass in a caustic solution of greater than 25 percent alkali at a reaction temperature greater than 95° C. for a reaction period of at least 10 hours to convert the chitin in the biomass to chitosan; and separating the chitosan from the caustic solution.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: August 19, 2008
    Assignee: Cargill, Incorporated
    Inventors: Weiyu Fan, John A. Bohlmann, James R. Trinkle, James Donald Steinke, Ki-Oh Hwang, Joseph P. Henning
  • Patent number: 7109005
    Abstract: Effective processes are provided for the production of xylitol and ethanol and other products from solutions derived from lignocellulose-containing material in biomass. The solutions can be hydrolyzed or partially hydrolyzed before being fermented with microbes. The fermented solution can be distilled and can be subsequently separated, such as, by chromatographic separation, membrane separation, etc. The recovered xylitol solution can be crystallized to provide pure xylitol crystals.
    Type: Grant
    Filed: October 25, 2001
    Date of Patent: September 19, 2006
    Assignee: Danisco Sweeteners Oy
    Inventors: Olli-Pekka Eroma, Heikki Heikkila, Heikki Ojamo, Päivi Sarmala, Göran Hyöky, Leena Rahkila, Marja-Leena Sarkki, Tapio Viljava
  • Patent number: 7001776
    Abstract: This invention provides a novel device and method for preparing cytology slides. The device comprises a book-like form including an absorbent material and filter attached to the inside surface of a front cover and a cytology slide removeably attached to an inside surface of a back cover. A sample is removed from the body of a patient, placed in a liquid-based solution, and then on the filter. When the book-like form is closed, the sample is effectively transferred to the slide. The device can be modified so that a plurality of slides are prepared at the same time.
    Type: Grant
    Filed: April 4, 2001
    Date of Patent: February 21, 2006
    Assignee: Digene Corporation
    Inventors: Gerson Botacini das Dores, Iwona Mielzynska-Lohnas, Eliane Taromaru, William J. Payne, Joseph P. Slattery, James G. Lazar
  • Patent number: 6890729
    Abstract: This invention provides a novel device and method for preparing cytology slides. The device comprises a book-like form including an absorbent material and filter attached to the inside surface of a front cover and a cytology slide removeably attached to an inside surface of a back cover. A sample is removed from the body of a patient, placed in a liquid-based solution, and then on the filter. When the book-like form is closed, the sample is effectively transferred to the slide.
    Type: Grant
    Filed: May 22, 2002
    Date of Patent: May 10, 2005
    Assignee: Digene Corporation
    Inventors: Iwona Mielzynska, Jay Payne, James Lazar
  • Patent number: 6706500
    Abstract: L-Menthol is prepared from D,L-menthyl derivatives by enantioselective enzymatic cleavage.
    Type: Grant
    Filed: January 7, 2002
    Date of Patent: March 16, 2004
    Assignee: Symrise GmbH & Co. KG
    Inventors: Ian-Lucas Gatfield, Jens-Michael Hilmer, Uwe Bornscheuer, Rolf Schmidt, Sandra Vorlová
  • Patent number: 6664100
    Abstract: A method for converting organic solid waste into humic products and the corresponding apparatus, in which a preliminary aerobic fermentation of the organic solid waste is performed, followed by a second aerobic fermentation of the organic waste in the presence of specific microorganisms in order to provide a basic precursor on which the selective metabolization occurs of specific bacterial strains to provide the humic product.
    Type: Grant
    Filed: February 25, 1999
    Date of Patent: December 16, 2003
    Inventor: Riccardo Reverso
  • Patent number: 6528290
    Abstract: The present Invention is to provide a novel strain, Candida magnoliae (KCCM-10252) producing mannitol isolated from the fermentation sludge collected from a xylitol manufacturing company, and further a method for manufacturing mannitol with high yield and high productivity by optimizing various culture conditions and medium composition using the new strain, Candida magnoliae.
    Type: Grant
    Filed: October 18, 2001
    Date of Patent: March 4, 2003
    Assignees: BioNgene Co., Ltd., Bolak Co., Ltd.
    Inventors: Kyung Hwa Song, Hong Baek, Song Mi Park, Hyung Hwan Hyun, Soo Ryun Jung, Sang Yong Kim, Jung Kul Lee, Ji Yoon Song
  • Patent number: 6458570
    Abstract: The present invention relates to a process for the production of xylitol. Specifically the process comprises two reaction steps. The first step is the fermentative conversion of a hexose to a pentitol. The second step is the catalytic chemical isomerisation of the pentitol to xylitol. Optionally, the xylitol is separated from the other pentitols.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: October 1, 2002
    Assignee: Cerestar Holding B.V.
    Inventors: Myriam Elseviers, Harald Wilhelm Walter Röper
  • Patent number: 6436662
    Abstract: This invention provides a novel device and method for preparing cytology slides. The device comprises a book-like form including an absorbent material and filter attached to the inside surface of a front cover and a cytology slide removeably attached to an inside surface of a back cover. A sample is removed from the body of a patient, placed in a liquid-based solution, and then on the filter. When the book-like form is closed, the sample is effectively transferred to the slide.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: August 20, 2002
    Assignee: Digene Corporation
    Inventors: Iwona Mielzynska, Jay Payne, James Lazar
  • Patent number: 6426204
    Abstract: A D-arabinitol dehydrogenase enzyme is disclosed. The enzyme is capable of catalyzing the oxidation of D-arabinitol and substantially incapable of catalyzing the oxidation of D-mannitol and is substantially free of other enzymes capable of oxidizing D-mannitol. Also disclosed are methods for determining D-arabinitol. In one embodiment the method comprises the steps of providing in combination (1) a medium suspected of containing D-arabinitol and (2) a D-arabinitol dehydrogenase enzyme and examining the medium for the product of the oxidation of the D-arabinitol. The enzyme utilized is capable of catalyzing the oxidation of D-arabinitol and substantially incapable of catalyzing the oxidation of D-mannitol. Kits for conducting the present method are also disclosed.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: July 30, 2002
    Assignee: Dade Behring Marburg GmbH
    Inventors: Charles Garrett Miyada, Arthur C. Switchenko, Melanie W Quong, Man-Ying Laurie Wong
  • Patent number: 6333164
    Abstract: There can be provided a fungal antigen which is an insoluble fraction obtainable from fungal cells of which cell wall has been substantially removed or at least partially removed; a process for producing the same; a nucleic acid encoding the fungal antigen; a biologic product containing the fungal antigen; a method of stimulating immunological responses by using the biologic product; a method of suppressing allergic reaction to fungi in a vertebrate; and a method for diagnosing a disease caused by fungi in a vertebrate.
    Type: Grant
    Filed: March 4, 1999
    Date of Patent: December 25, 2001
    Assignee: Takara Shuzo Co., Ltd.
    Inventors: Kazutoh Takesako, Shigetoshi Mizutani, Masahiro Endo, Ikunoshin Kato
  • Patent number: 6300140
    Abstract: A slide having a portion thereof provided with transparent adhesive which adheres to a test sample. The slide and adhesive may be transparent. Specific types of infection and particularly fungal infections can be detected in the test sample using immunotest-methods. In a special embodiment the adhesive slide is fashioned with a peripheral lip or well to contain a test sample and a reagent.
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: October 9, 2001
    Assignee: Leonard Bloom
    Inventors: Howard N. Robinson, Francisco A. Tausk, Bruce S. Bochner, Neil F. Martin
  • Patent number: 6268190
    Abstract: A method of producing arabitol by continuous fermentation of at least one sugar by micro-organisms producing arabitol, characterised in that arabitol is produced in a first fermentation area including at least one fermenter in such a manner that some of the sugar introduced into the fermentation medium is consumed by said micro-organisms, some of the fermentation medium obtained in this way is transferred into a second fermentation area including at least one fermenter, the volume being maintained constant in the first fermentation area by adding sugar, production of arabitol continues in said second fermentation area in such a manner as to consume the residual sugar of the fermentation medium, the fermentation medium thus obtained from said second fermentation area is separated a continuously into a fraction concentrated in micro-organisms and another, soluble fraction enriched in arabitol, and the arabitol thus obtained is collected.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: July 31, 2001
    Assignee: Roquette Freres
    Inventors: Pierrick Duflot, Pierre Lanos, Fabrice Machu, Laurent Segueilha
  • Patent number: 6146857
    Abstract: A process is provided for the production of glycogens or an extract rich in glycogens from yeast cells, and a cosmetic composition containing them. A given quantity of yeast cells, from a specific culture or recovered as residues of a fermentation process, is subjected to an operation of enrichment in intracellular glycogens by culturing in two phases in the presence of a carbon source. The metabolism of the yeast cells is then stopped. The membranes of the yeast cells are then at least partially disintegrated to free intracellular substances, and the freed intracellular substances are subjected to at least one precipation to precipitate glycogens. A cosmetic composition comprising the glycogens is formulated in admixture with a dermatologically acceptable excipient.
    Type: Grant
    Filed: June 15, 1998
    Date of Patent: November 14, 2000
    Assignee: Laboratoires Serobiologiques, Societe Anonyme
    Inventors: Gilles Pauly, Marc Pauly, Jean-Marc Engasser, Mohamed Ghoul
  • Patent number: 6127598
    Abstract: The present invention features mouse models for Nkx-2.2 gene function and for Nkx-6.1 gene function, wherein the transgenic mouse is characterized by having a defect in Nkx-2.2 gene function or a defect in Nkx-6.1 gene function (where, because Nkx-2.2 acts upstream of Nkx-6.1, a defect in Nkx-2.2 gene function affects Nkx-6.1 gene function) and by having a decreased number of insulin-producing cells relative to a normal mouse. Where the transgenic mouse contains a defect in Nkx-2.2 gene function, the mouse is further characterized by a decreased number of serotonin-producing cells relative to a normal mouse. The transgenic mice may be either homozygous or heterozygous for the Nkx-2.2 or Nkx-6.1 defect.
    Type: Grant
    Filed: July 25, 1997
    Date of Patent: October 3, 2000
    Assignee: The Regents of the University of California
    Inventors: Michael S. German, John L.R. Rubenstein, Lori Sussel, Maike Sander, Dennis J. Hartigan-O'Connor, Roger A. Pedersen, Juanito J. Meneses
  • Patent number: 6121025
    Abstract: The present invention relates to a process for producing optically active 3-quinuclidinol or derivatives, wherein a racemic 3-quinuclidinol ester represented by the general formula (I): ##STR1## wherein R represents a straight-chain or branched alkyl group, and (H.sup.+) represents that said ester may be in the form of a salt formed with a mineral acid or an organic acid, is reacted with a microorganism belonging to the genus Aspergillus, Rhizopus, Candida or Pseudomonas having the ability to asymmetrically hydrolyze said ester linkage, a culture of said microorganism, a treated material from said microorganism, an enzyme produced by said microorganism, or an enzyme derived from swine or cattle.According to the present invention, there is provided a process for easily producing optically active 3-quinuclidinol derivatives which are important synthetic intermediates for pharmaceutical preparations etc.
    Type: Grant
    Filed: May 5, 1999
    Date of Patent: September 19, 2000
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Eiji Sato, Kanehiko Enomoto
  • Patent number: 6060037
    Abstract: Conjugated compounds which comprise an ST receptor binding moiety and a radiostable active moiety are disclosed. Pharmaceutical compositions comprising conjugated compound which comprises an ST receptor binding moiety and a radiostable active moiety or an ST receptor binding moiety and a radioactive active moiety are disclosed. Methods of treating an individual suspected of suffering from metastasized colorectal cancer are disclosed. Methods of radioimaging metastasized colorectal cancer cells are disclosed. In vitro methods, kits and reagents are disclosed for determining whether or not an individual has metastasized colorectal cancer cells, for determining whether tumor cells are colorectal in origin and for analyzing tissue samples from the colon tissue to evaluate the extent of metastasis of colorectal tumor cells.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: May 9, 2000
    Assignee: Thomas Jefferson University
    Inventor: Scott A. Waldman
  • Patent number: 6017699
    Abstract: The subject invention relates to a set of DNA primers which, when utilized in conjunction with the polymerase chain reaction (PCR) assay, can amplify and speciate DNA from five medically important Candida species. Furthermore, the PCR amplified products, generated by the primers, can also be used to create species specific probes which can also detect and confirm the five species of Candida. Thus, the present invention allows for early diagnosis and treatment of an infection. The assay is useful in the context of monitoring antifungal treatment regimens, screening potential antifungal agents, and similar applications requiring quantitative determinations.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: January 25, 2000
    Assignee: The University of Pittsburgh
    Inventor: Jeanne A. Jordan
  • Patent number: 5994149
    Abstract: A slide having a portion thereof provided with transparent adhesive which adheres to a test sample. The slide and adhesive may be transparent. Specific types of infection and particularly fungal infections can be detected in the test sample using immunotest-methods. In a special embodiment the adhesive slide is fashioned with a peripheral lip or well to contain a test sample and a reagent.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: November 30, 1999
    Assignee: Leonard Bloom
    Inventors: Howard N. Robinson, Francisco Tausk, Bruce Bochner, Neil F. Martin
  • Patent number: 5968788
    Abstract: Disclosed is a method for producing folic acid, comprising incubating yeast having the ability to produce folic acid of 0.3 mg or more or incubating bacteria having the ability to produce folic acid of 1 mg or more per liter of the culture, thereby accumulating folic acid in the culture.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: October 19, 1999
    Assignee: Toray Industries, Inc.
    Inventors: Reiko Miyata, Tetsu Yonehara
  • Patent number: 5958743
    Abstract: A bioconversion process where benzyl acetoacetate is converted to benzyl-(S)-(+)-3-hydroxybutyrate.
    Type: Grant
    Filed: February 28, 1997
    Date of Patent: September 28, 1999
    Assignee: Merck & Co., Inc.
    Inventors: Michel Chartrain, James M. McNamara
  • Patent number: 5928933
    Abstract: The present invention relates to a process for the enzymatic resolution of racemic mixtures of N-(alkoxycarbonyl)-4-keto-D,L-proline alkyl esters, using Candida antarctica lipase fraction B (CALB) as enzyme catalyst to enantioselectively hydrolyze the alkyl ester of one of the two enantiomers present. Separating the unreacted N-(alkoxycarbonyl)-4-keto-D-proline alkyl ester from the N-(alkoxycarbonyl)-4-keto-L-proline, followed by hydrogenation of the keto group of the D-isomer and subsequent hydrolysis of the ester and N-(alkoxy-carbonyl) groups produces cis-4-hydroxy-D-proline in high yield. Diastereomeric mixtures of N-(alkoxycarbonyl)-4-hydroxyproline alkyl esters can also be resolved using CALB to ultimately produce cis-4-hydroxy-D-proline or trans-4-hydroxy-L-proline.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: July 27, 1999
    Assignee: E. I. du Pont de Nemours & Company
    Inventors: Robert Dicosimo, Wonpyo Hong
  • Patent number: 5919672
    Abstract: A process for the microbiological or enzymatic hydrolytic resolution of racemic trans-2-(alkoxycarbonylethyl) lactams of the formula I: ##STR1## wherein R is C.sub.1 -C.sub.7 alkyl, 2,2,2-trifluoroethyl or methoxyethoxyethyl and R.sup.1 is hydrogen or a protecting group is disclosed, whereby an optically enriched compound of the formula Ib or IIa: ##STR2## is obtained.
    Type: Grant
    Filed: October 2, 1998
    Date of Patent: July 6, 1999
    Assignee: Schering Corporation
    Inventors: Michael J. Homann, William Brian Morgan
  • Patent number: 5908769
    Abstract: An ester compound is prepared with a greatly improved efficiency by reacting a liquid alcohol with a liquid organic acid at a temperature of about 30 to 70.degree. C. in the presence of a lipase without adding any solvent. In particular, short chain acids and alcohols are reacted with lipase from candida antarctica immobilized on an acrylic resin.
    Type: Grant
    Filed: March 31, 1997
    Date of Patent: June 1, 1999
    Assignee: Yukong Limited
    Inventors: Byung Hyung Lee, Soon Ook Hwang, Nam Ryun Cho
  • Patent number: 5879913
    Abstract: A process for the production of sophorolipids by a stock of Candida bombicola or apicola in a medium that contains a source of nitrogen and a substrate is described. The process includes a first fermentation cycle that includes a stage of growth of the stock and a stage of production of a fermentation wort. The following stages are carried out at least once:a) a portion of the wort is drawn off;b) a mineral that contains nitrogen is added to the remaining portion to constitute a second medium;c) a new fermentation cycle is carried out from this second medium, and another wort is produced.Sophorolipids are recovered from these worts of stages (a) and (c). The duration of the first and new fermentation cycles is at least 30 hours.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: March 9, 1999
    Assignee: Institut Francais du Petrole
    Inventors: Remy Marchal, Michel Warzywoda, Bernard Chaussepied
  • Patent number: 5879929
    Abstract: Methods for the enzymatic resolution of mixtures of enantiomers, such as .beta.-lactam compounds, which may be employed as intermediates in the preparation of taxanes bearing a C-13 sidechain containing a heterocyclic or cycloalkyl group, the latter useful in the pharmaceutical field.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: March 9, 1999
    Assignee: Bristol-Myers Squibb Company
    Inventor: Ramesh N. Patel
  • Patent number: 5866760
    Abstract: The invention provides methods and compositions for evaluating modulators of the Stat6 signaling pathway; in a particular, transgenic mice comprising a transgene within a Stat6 allele locus, encoding a selectable marker and displacing the SH2-encoding domain of the Stat6 allele. More particularly, the transgene may comprise 3' and 5' regions with sufficient complementarity to the natural Stat6 allele at the locus to effect homologous recombination of the transgene with the Stat6 allele. Such mice provide useful animal models for determining the effect of candidate drugs on a host deficient in Stat6 function. The invention provides a variety of methods for making and using the subject compositions; in particular, methods for determining the effect of a candidate drug on a mouse deficient in Stat6 function and methods of evaluating the side effects of a Stat6 function inhibitor.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: February 2, 1999
    Assignee: President and Fellows of Harvard College
    Inventors: Michael J. Grusby, Mark H. Kaplan
  • Patent number: 5861304
    Abstract: Process for the resolution of rac-2-oxotricyclo?2.2.1.0.sup.3,5 !heptane-7-carboxylic acid esters using lipase from candida.Compounds of the formula I ##STR1## in which R.sup.1 has the meanings mentioned, may be obtained in isomerically pure form from enantiomer mixtures or racemic mixtures by reacting the compound of the formula I in the presence of a lipase or esterase from porcine liver, porcine pancreas, bovine pancreas or from microorganisms such as Candida, Pseudomonas, Mucor, Rhizopus and Aspergillus, or proteases from Bacillus in the presence of water and, if desired, a cosolvent and separating from one another the esters and acids present in the solution obtained.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: January 19, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang Holla, Gerhard Beck
  • Patent number: 5846791
    Abstract: Asymmetric bioreduction of a ketone substrate with yeast produces the corresponding (R)-alcohol of structure: ##STR1## a key intermediate in the synthesis of a .beta..sub.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: December 8, 1998
    Assignee: Merck & Co., Inc.
    Inventors: Michel M. Chartrain, John Y. L. Chung, Christopher Roberge
  • Patent number: 5817490
    Abstract: The present invention is directed toward efficient, high-yield processes for making ascorbic acid, 2-keto-L-gulonic acid, and esters of 2-keto-L-gulonic acid. The processes comprise reacting the appropriate starting materials with a hydrolase enzyme catalyst such as a protease, an esterase, a lipase or an amidase.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: October 6, 1998
    Assignee: Eastman Chemical Company
    Inventor: John Clark Hubbs
  • Patent number: 5789191
    Abstract: The invention provides a cosmetic or dermatological method for detecting and/or selectively quantifying individual microorganisms, and/or whole groups of microorganisms, which are present on human or animal skin, comprising the steps ofremoving a sample of the microflora of the human or animal skin,treating the sample with a deinhibiting medium, adding the treated sample to a culture medium which exhibits favorable growth conditions for a defined group of microorganisms but unfavorable growth conditions for other microorganisms, to produce a selective culture, and incubating the selective culture over a sufficiently long period of time, to allow only the group of microorganisms for which the culture medium exhibits favorable growth conditions the opportunity to multiply, in association with metabolic products, in particular CO.sub.
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: August 4, 1998
    Assignee: Beiersdorf AG
    Inventors: Bianca Mayer, Gerhard Sauermann, Bernd Traupe, Florian Wolf
  • Patent number: 5786462
    Abstract: Methods are described for the identification and preparation of DNA ligands to the HIV-1 reverse transcriptase protein. Included in the invention are specific ssDNA ligands to HIV-1 reverse transcriptase identified by the SELEX method. Also included are ssDNA ligands that inhibit HIV-1 reverse transcriptase.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: July 28, 1998
    Assignee: NeXstar Pharmaceuticals, Inc.
    Inventors: Daniel J. Schneider, Larry Gold, Juli Feigon
  • Patent number: 5783429
    Abstract: A process for the enzymatic oxidation of alcohols to aldehydes in a continuous reaction series is disclosed utilizing crude cellular methanol oxidase and catalase produced by an acceptable organism such as those selected from the genera of Pichia, Hansenula, Candida and Torulopsis. The process maintains a steady-state aldehyde concentration whereby enzyme activity is promoted. In particular, the process has two reactors operating in series continuously producing a fermenter effluent containing growing, intact yeast cells at a cell concentration of about 0.5 to about 3% by weight of the effluent by continuous culture of the cells on a methanol carbon source, continuously introducing the effluent from the first reactor to the second reactor, adding an alcohol feed at about 0.2-10% w/w and oxygen to the second reactor, maintaining a steady-state aldehyde concentration in the reaction mixture, the concentration of residual alcohol being about 0.
    Type: Grant
    Filed: October 9, 1996
    Date of Patent: July 21, 1998
    Assignee: Givaudan Roure Flavors Corporation
    Inventors: Alan Gabelman, Gary A. Luzio
  • Patent number: 5766874
    Abstract: A D-arabinitol dehydrogenase enzyme is prepared that is capable of catalyzing the oxidation of D-arabinitol and substantially incapable of catalyzing the oxidation of D-mannitol and is substantially free of other enzymes capable of oxidizing D-mannitol. The enzyme is preferably obtained from Candida tropicalis ATCC 750 or Candida shehatae. The enzyme may also be obtained by recombinant DNA technology. Monoclonal antibodies are produced against the enzyme and can be used to identify the enzyme. The enzyme is used for detecting the presence of Candida in a host such as detecting Candida infection in a patient by determining the presence of D-arabinitol in a sample. The oxidation of D-arabinitol by nicotinamide adenine dinucleotide (NAD.sup.+) is catalyzed by the enzyme and the amount of NADH produced in a given time is determined. Also prepared is a composition containing the enzyme and NAD.sup.+ and a kit containing a packaged combination of the enzyme and NAD.sup.+.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: June 16, 1998
    Assignee: Syntex (USA) Inc.
    Inventors: Charles Garrett Miyada, Arthur C. Switchenko, Melanie W. Quong, Man-Ying Laurie Wong
  • Patent number: 5763169
    Abstract: Nucleic acid probes and primers are described for detecting fungi that cause disease in humans and animals, as well as spoilage of food and beverages. These probes can detect rRNA, rDNA or polymerase chain reaction products from a majority of fungi in clinical, environmental or food samples. Nucleic acid hybridization assay probes specific for Aspergillus fumigatus, Blastomyces dermatitidis, Candida albicans, Coccidioides immitis, Cryptococcus neoformans, Histoplasma capsulatum, Aspergillus flavus, Aspergillus glaucus, Aspergillus niger, Aspergillus terreus, Candida glabrata, Candida guilliermondii, Candida kefyr, Candida krusei, Candida lusitaniae, Candida parapsilosis, Candida tropicalis, Pseudallescheria boydii, and Sporothrix schenckii are also described.
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: June 9, 1998
    Assignee: Chiron Diagnostics Corporation
    Inventors: Gurpreet S. Sandhu, Bruce C. Kline
  • Patent number: 5753473
    Abstract: Trans-2,cis-4-decadienoic acid ethyl ester can be prepared from Stillingia oil by enzymatic transesterification with lipase from Candida antarctica in the presence of ethanol.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: May 19, 1998
    Assignee: Haarmann & Reimer GmbH
    Inventors: Ian Gatfield, Gunter Kindel
  • Patent number: 5750382
    Abstract: A process for efficiently producing (S,S)-2-alkoxycyclohexanols in a single step by using (.+-.)-trans-2-alkoxycyclohexanols which are inexpensive and can be easily obtained. The process comprises treating a (.+-.)-trans-2-alkoxycyclohexanol with a hydrolase originating in a microorganism and being capable of esterifying stereospecifically the R-isomer in the presence of an acyl donor under such conditions that no hydrolysis occurs substantially to thereby give (S,S)-2-alkoxycyclohexanols and (R,R)-2-alkoxycyclohexanol carboxylate and then taking up the (S,S)-2-alkoxycyclohexanols.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: May 12, 1998
    Assignee: Kaneka Corporation
    Inventors: Naoaki Taoka, Mizuho Honda, Kenji Inoue, Kazunori Kan
  • Patent number: 5747305
    Abstract: Production of monoglycerides is enhanced by means of enzymatic transesterification of triglycerides with aliphatic alcohols in a medium of supercritical CO.sub.2. Aliphatic primary and secondary alcohols of 1 to 8 carbon atoms may be used without support in supercritical CO.sub.2 at temperatures compatible for enzymatic transesterifion of tryglycerides. Utilization of these lower reaction temperatures has the benefit of diminishing the production of undesired side products and thus increasing the reaction efficiency with regard to production of the desired monoglycerides.
    Type: Grant
    Filed: July 10, 1996
    Date of Patent: May 5, 1998
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventor: Michael A. Jackson
  • Patent number: 5747320
    Abstract: A new .beta.-glucosidase enzyme which is tolerant to glucose and cellobiose, and which is effective for the hydrolysis of cellobiose to glucose, is disclosed. The enzyme is produced by Candida peltata, strain NRRL Y-21603. This .beta.-glucosidase may be used in conjunction with cellulolytic enzymes for the treatment of cellulosic materials to convert cellulose to glucose.
    Type: Grant
    Filed: August 2, 1996
    Date of Patent: May 5, 1998
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventors: Badal C. Saha, Rodney J. Bothast
  • Patent number: 5741699
    Abstract: The present invention is drawn to isolates of Candida oleophila which are effective for the control of postharvest diseases in fruit and to biocontrol compositions which include such isolates. A method of utilizing the isolates to inhibit pathogens which cause postharvest diseases is also described. The organisms were isolated from the surface of tomato fruit and are useful for the control of a variety of fruit-rot pathogens in a variety of fruits.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: April 21, 1998
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventors: Charles L. Wilson, Michael E. Wisniewski, Edo Chalutz
  • Patent number: 5741662
    Abstract: The present invention provides specific binding solid phase assay methods and kits for the detection of the presence or absence of a microorganism by directly staining the microorganism and specifically capturing the stained microorganism on a solid support. The methods find particular utility in the detection of Candida. The methods may simultaneously detect the presence or absence of multiple microorganisms.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: April 21, 1998
    Assignee: Quidel Corporation
    Inventors: Randall D. Madsen, Lorraine S. Bautista, Jan W. Pawlak, Allan D. Pronovost
  • Patent number: 5726046
    Abstract: A economically viable method for producing sugars using concentrated acid hydrolysis of biomass containing cellulose and hemicellulose is disclosed. The cellulose and hemicellulose in the biomass is first decrystallized and then hydrolyzed to produce a hydrolysate containing both sugars and acid. Silica and silicates present in the biomass can then be removed for further processing. The remaining solids are then subjected to a second decrystallization if necessary and a second hydrolyzation to optimize the sugar yields.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: March 10, 1998
    Assignee: Arkenol, Inc.
    Inventors: William A. Farone, John E. Cuzens
  • Patent number: 5707802
    Abstract: Nucleic acid probes and primers are described for detecting fungi that cause disease in humans and animals, as well as spoilage of food and beverages. These probes can detect rRNA, rDNA or polymerase chain reaction products from a majority of fungi in clinical, environmental or food samples. Nucleic acid hybridization assay probes specific for Acremonium sp., Aspergillus clavatus, Aspergillus flavus, Aspergillus fumigatus, Aspergillus glaucus, Aspergillus nidulans, Aspergillus niger, Aspergillus ochraceus, Aspergillus terreus, Aspergillus unguis, Aspergillus ustus, Beauveria sp., Bipolaris sp., Blastoschizomyces sp., Blastomyces dermatitidis, Candida albicans, Candida glabrata, Candida guilliermondii, Candida kefyr, Candida krusei, Candida lusitaniae, Candida parapsilosis, Candida tropicalis, Chrysosporium sp., Cladosporium sp., Coccidioides immitis, Cryptococcus neoformans var gattii serotype B, Cryptococcus neoformans serotype A, Cryptococcus laurentii, Cryptococcus terreus, Curvularia sp., Fusarium sp.
    Type: Grant
    Filed: May 5, 1995
    Date of Patent: January 13, 1998
    Assignee: Ciba Corning Diagnostics Corp.
    Inventors: Gurpreet S. Sandhu, Bruce C. Kline
  • Patent number: 5686248
    Abstract: A polypeptide sequence from Candida albicans is described which has significant sequence homology with known stress proteins from other organisms, particularly the heat shock protein hsp 90 of Saccharomyces cerevisiae. Corresponding DNA sequences are also described, together with antibodies raised against fragments of the sequence. The polypeptide and DNA sequences and antibodies provide separate means for the diagnosis and/or treatment of fungal, particularly Candida, infections.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: November 11, 1997
    Assignee: The Victoria University of Manchester
    Inventors: James Peter Burnie, Ruth Christine Matthews
  • Patent number: 5686277
    Abstract: The present invention relates to a fermentation process for preparing xylitol with high productivity using novel mutant cells of Candida parapsilosis, more specifically, for preparing xylitol under optimal fermentation conditions for maximum xylitol production by optimizing the composition of medium containing xylose and the environmental conditions of culture such as pH, temperature and DO concentration, anal controlling the concentration of mutant cells.
    Type: Grant
    Filed: October 24, 1996
    Date of Patent: November 11, 1997
    Assignees: Tong Yang Confectionery Corp., Bolak Co., Ltd.
    Inventors: Sang Yong Kim, Deok Kun Oh, Jin Hwan Choi, Soo Eun Kim
  • Patent number: 5681727
    Abstract: Fatty acid esters of alkyl glycosides are enzymatically prepared by forming a micro-emulsion from a fatty acid, an alkyl glycoside and a nonionic or anionic surface active agent. The viscosity of the micro-emulsion is adjusted with tertiary butanol 2-methyl-1-butanol acetone or 2-butanone. After the enzymatic esterification has been effected, the reaction mixture is subjected to pervaporation.
    Type: Grant
    Filed: August 15, 1996
    Date of Patent: October 28, 1997
    Assignee: Unichema Chemie B.V.
    Inventors: Ramires Rolando Poulina, Alasdair Robin Macrae
  • Patent number: 5679557
    Abstract: An (S)-1-phenyl-2-substituted propane derivative shown by the following formula (I) ##STR1## wherein R.sup.1 and R.sup.2 represent a lower alkyl group, etc., or R.sup.1 and R.sup.2 may form together an alkylene group, etc.; R.sup.3, R.sup.4 and R.sup.5 represent a hydrogen atom, etc.; and X represents a hydroxyl group which may be protected with a protective group, or a halogen atom etc., can readily be produced (i) by permitting a microorganism belonging to the genus Torulaspora, the genus Candida, the genus Pichia or the like to act on a phenylacetone derivative and asymmetrically reducing the compound, or (ii) by sterically inverting an (R)-enantiomer. (R,R)-1-phenyl-2-?(2-phenyl-1-methylethyl)amino!ethanol derivative having a high optical purity can easily be obtained from the compound of the formula (I). The ethanol derivative is useful as an anti-obesity agent and the like.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: October 21, 1997
    Assignee: Daicel Chemical Industries, Limited
    Inventors: Michio Ito, Noritsugu Yamasaki, Yoshinori Kobayashi, Kiyoshi Ikura