EP2580249A4 - Modification de xylane - Google Patents

Modification de xylane

Info

Publication number
EP2580249A4
EP2580249A4 EP11792012.4A EP11792012A EP2580249A4 EP 2580249 A4 EP2580249 A4 EP 2580249A4 EP 11792012 A EP11792012 A EP 11792012A EP 2580249 A4 EP2580249 A4 EP 2580249A4
Authority
EP
European Patent Office
Prior art keywords
xylane
modification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11792012.4A
Other languages
German (de)
English (en)
Other versions
EP2580249A1 (fr
Inventor
Zyl Willem Heber Van
Annie Fabian Abel Chimphango
Johann Ferdinand Görgens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stellenbosch University
Original Assignee
Stellenbosch University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stellenbosch University filed Critical Stellenbosch University
Publication of EP2580249A1 publication Critical patent/EP2580249A1/fr
Publication of EP2580249A4 publication Critical patent/EP2580249A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/21Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24Polysaccharides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D105/00Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
    • C09D105/14Hemicellulose; Derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00Preparation of compounds containing saccharide radicals
    • C12P19/04Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12YENZYMES
    • C12Y302/00Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01055Alpha-N-arabinofuranosidase (3.2.1.55)
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12YENZYMES
    • C12Y302/00Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01139Alpha-glucuronidase (3.2.1.139)
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001Modification of pulp properties
    • D21C9/002Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/20Chemically or biochemically modified fibres
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P2203/00Fermentation products obtained from optionally pretreated or hydrolyzed cellulosic or lignocellulosic material as the carbon source

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
EP11792012.4A 2010-06-08 2011-06-07 Modification de xylane Withdrawn EP2580249A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201003273 2010-06-08
PCT/IB2011/001250 WO2011154807A1 (fr) 2010-06-08 2011-06-07 Modification de xylane

Publications (2)

Publication Number Publication Date
EP2580249A1 EP2580249A1 (fr) 2013-04-17
EP2580249A4 true EP2580249A4 (fr) 2014-10-01

Family

ID=45097596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11792012.4A Withdrawn EP2580249A4 (fr) 2010-06-08 2011-06-07 Modification de xylane

Country Status (4)

Country Link
US (1) US20130233501A1 (fr)
EP (1) EP2580249A4 (fr)
WO (1) WO2011154807A1 (fr)
ZA (1) ZA201209407B (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2676536A1 (fr) 2012-06-22 2013-12-25 AIT Austrian Institute of Technology GmbH Procédé de production de graine de plante contenant des micro-organismes endophytes
UA121195C2 (uk) 2013-02-05 2020-04-27 Юніверсіті Оф Саскатчеван Застосування ендофіта або його культури для обробки злакових культур
MX372595B (es) 2013-06-26 2020-04-20 Indigo Ag Inc Poblaciones endofitas derivadas de semillas, composiciones y métodos de uso.
US10136646B2 (en) 2013-06-26 2018-11-27 Indigo Ag, Inc. Agricultural endophyte-plant compositions, and methods of use
EP3659414A1 (fr) 2013-09-04 2020-06-03 Indigo Ag, Inc. Compositions agricoles associant plantes et endophytes et leurs procédés de préparation
ES2779303T3 (es) 2013-11-06 2020-08-14 Texas A & M Univ Sys Endófitos fúngicos para mejorar el rendimiento de los cultivos y la protección contra plagas
US9364005B2 (en) 2014-06-26 2016-06-14 Ait Austrian Institute Of Technology Gmbh Plant-endophyte combinations and uses therefor
US10271554B2 (en) 2013-12-24 2019-04-30 Ait Austrian Institute Of Technology Gmbh Plants containing beneficial endophytes
WO2015100432A2 (fr) 2013-12-24 2015-07-02 Symbiota, Inc. Procédé de propagation de micro-organismes dans des bioréacteurs végétaux et de stockage stable de micro-organismes dans des graines agricoles
EP3157338A4 (fr) 2014-06-20 2018-04-11 Flinders University Of South Australia Inoculants et procédés pour les utiliser
WO2015200902A2 (fr) 2014-06-26 2015-12-30 Symbiota, LLC Endophytes, compositions associées et leurs méthodes d'utilisation
WO2016077079A1 (fr) * 2014-10-29 2016-05-19 Massachusetts Institute Of Technology Technologies de cryptographie adn
EP3240391A4 (fr) 2014-12-30 2018-07-11 Indigo Agriculture, Inc. Endophytes de graines présents parmi des cultivars et des espèces, compositions associées, et leurs procédés d'utilisation
US10212944B2 (en) 2015-05-01 2019-02-26 Indigo Agriculture, Inc. Designed complex endophyte compositions and methods for improved plant traits
US10212940B2 (en) 2015-05-01 2019-02-26 Indigo Agriculture, Inc. Isolated complex endophyte compositions and methods for improved plant traits
EP3302068A4 (fr) 2015-06-08 2018-12-12 Indigo AG, Inc. Compositions d'endophyte de genrestreptomyces
EP3393225A4 (fr) 2015-12-21 2019-11-06 Indigo AG, Inc. Compositions endophytes et procédés d'amélioration de caractères de plantes dans des plantes d'importance agronomique
EP3547827A1 (fr) 2016-12-01 2019-10-09 Indigo AG, Inc. Traits de qualité nutritionnelle modulés dans des graines
EP3558006A1 (fr) 2016-12-23 2019-10-30 The Texas A&M University System Endophytes fongiques pour l'amélioration des rendements des cultures et une protection contre les nuisibles
AU2017401833A1 (en) 2017-03-01 2019-10-03 Indigo Ag, Inc. Endophyte compositions and methods for improvement of plant traits
EP3589116A1 (fr) 2017-03-01 2020-01-08 Indigo AG, Inc. Compositions d'endophyte et procédés d'amélioration de caractéristiques de plante
US11882838B2 (en) 2017-04-27 2024-01-30 The Flinders University Of South Australia Bacterial inoculants
US11263707B2 (en) 2017-08-08 2022-03-01 Indigo Ag, Inc. Machine learning in agricultural planting, growing, and harvesting contexts
BR112020005426A2 (pt) 2017-09-18 2020-11-03 Indigo Ag, Inc. marcadores de saúde de planta
EP3684175A1 (fr) 2017-09-22 2020-07-29 Technische Universität Graz Particules polymères contenant des micro-organismes
CN113403248A (zh) * 2021-06-10 2021-09-17 新疆大学 两种基于低共熔体系的纤维素液体化制备通用微生物培养基的方法
SE2350110A1 (en) * 2023-02-06 2024-06-18 Soedra Skogsaegarna Ekonomisk Foerening Method for production of chemical wood pulp with enhanced tensile strength
CN116284503B (zh) * 2023-03-11 2025-05-16 苏州融析生物科技有限公司 一种木聚糖及其制备方法与应用

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ÅSA LINDER ET AL: "Mechanism of Assembly of Xylan onto Cellulose Surfaces", LANGMUIR, vol. 19, no. 12, 1 June 2003 (2003-06-01), pages 5072 - 5077, XP055072431, ISSN: 0743-7463, DOI: 10.1021/la0341355 *
KABEL ET AL: "Structural differences of xylans affect their interaction with cellulose", CARBOHYDRATE POLYMERS, APPLIED SCIENCE PUBLISHERS, LTD. BARKING, GB, vol. 69, no. 1, 30 March 2007 (2007-03-30), pages 94 - 105, XP022009493, ISSN: 0144-8617, DOI: 10.1016/J.CARBPOL.2006.09.006 *
See also references of WO2011154807A1 *
TENKANEN M ET AL: "An alpha-glucuronidase of Schizophyllum commune acting on polymeric xylan", JOURNAL OF BIOTECHNOLOGY, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 78, no. 2, 1 March 2000 (2000-03-01), pages 149 - 161, XP004192125, ISSN: 0168-1656, DOI: 10.1016/S0168-1656(99)00240-0 *

Also Published As

Publication number Publication date
ZA201209407B (en) 2013-08-28
WO2011154807A1 (fr) 2011-12-15
EP2580249A1 (fr) 2013-04-17
US20130233501A1 (en) 2013-09-12

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