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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Withdrawn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Withdrawn legal-status Critical Current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)
  • Biochemistry (AREA)
  • Zoology (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)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Materials Engineering (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 (27)

* 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
CA3178041A1 (fr) 2013-02-05 2014-08-14 University Of Saskatchewan Symbiotes microbiens endophytes en soin prenatal des plantes
MX2020003136A (es) 2013-06-26 2021-03-25 Indigo Ag Inc Poblaciones endofitas derivadas de semillas, composiciones y metodos de uso.
WO2015035099A1 (fr) 2013-09-04 2015-03-12 Symbiota, Inc. Compositions agricoles associant plantes et endophytes et leurs procédés de préparation
US10136646B2 (en) 2013-06-26 2018-11-27 Indigo Ag, Inc. Agricultural endophyte-plant compositions, and methods of use
HUE048814T2 (hu) 2013-11-06 2020-08-28 Texas A & M Univ Sys Gombaendofiták növelt terményhozamok és károsítók elleni védekezés céljából
WO2015100431A2 (fr) 2013-12-24 2015-07-02 Symbiota, Inc. Plantes contenant des endophytes bénéfiques
US9364005B2 (en) 2014-06-26 2016-06-14 Ait Austrian Institute Of Technology Gmbh Plant-endophyte combinations and uses therefor
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
AU2015278238B2 (en) 2014-06-20 2018-04-26 The Flinders University Of South Australia Inoculants and methods for use thereof
US10212911B2 (en) 2014-06-26 2019-02-26 Indigo Agriculture, Inc. Endophytes, associated compositions, and methods of use thereof
US20170338943A1 (en) * 2014-10-29 2017-11-23 Massachusetts Institute Of Technology Dna encryption technologies
CA3060491A1 (fr) 2014-12-30 2016-07-07 Servicenow, Inc. Systeme informatique distribue resistant aux defaillances
BR112017023549A2 (pt) 2015-05-01 2018-07-24 Indigo Agriculture Inc composições de endófito complexo isolado e métodos para melhorar características de planta.
CN108271340A (zh) 2015-05-01 2018-07-10 靛蓝农业公司 用于改进的植物性状的经过设计的复合内生菌组合物和方法
WO2016200987A1 (fr) 2015-06-08 2016-12-15 Indigo Agriculture, Inc. Compositions d'endophyte de genre streptomyces et procédés pour l4amélioration de caractéristiques agronomiques dans les plantes
US11751515B2 (en) 2015-12-21 2023-09-12 Indigo Ag, Inc. Endophyte compositions and methods for improvement of plant traits in plants of agronomic importance
US10624351B2 (en) 2016-12-01 2020-04-21 Indigo Ag, Inc. Modulated nutritional quality traits in seeds
WO2018119419A1 (fr) 2016-12-23 2018-06-28 The Texas A&M University System Endophytes fongiques pour l'amélioration des rendements des cultures et une protection contre les nuisibles
MX2019010349A (es) 2017-03-01 2019-11-21 Indigo Ag Inc Composiciones de endofitos y metodos para mejorar las caracteristicas de las plantas.
CA3091731A1 (fr) 2017-03-01 2018-09-07 Indigo Ag, Inc. Compositions d'endophyte et procedes d'amelioration de caracteristiques de plante
AU2018259162A1 (en) 2017-04-27 2019-11-21 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
UA126082C2 (uk) 2017-09-22 2022-08-10 Техніше Універзітет Ґрац Полімерні частинки, які містять мікроорганізми
SE2350110A1 (en) * 2023-02-06 2024-06-18 Soedra Skogsaegarna Ekonomisk Foerening Method for production of chemical wood pulp with enhanced tensile strength
CN116284503A (zh) * 2023-03-11 2023-06-23 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
WO2011154807A1 (fr) 2011-12-15
ZA201209407B (en) 2013-08-28
US20130233501A1 (en) 2013-09-12
EP2580249A1 (fr) 2013-04-17

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