EP2580249A4 - Modification of xylan - Google Patents

Modification of xylan

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
xylan
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Withdrawn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)
French (fr)
Other versions
EP2580249A1 (en
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/en
Publication of EP2580249A4 publication Critical patent/EP2580249A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING 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
    • C09D105/00—Coating compositions based on polysaccharides or on their derivatives, not provided for in groups C09D101/00 or C09D103/00
    • C09D105/14—Hemicellulose; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01055—Alpha-N-arabinofuranosidase (3.2.1.55)
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12Y—ENZYMES
    • C12Y302/00—Hydrolases acting on glycosyl compounds, i.e. glycosylases (3.2)
    • C12Y302/01—Glycosidases, i.e. enzymes hydrolysing O- and S-glycosyl compounds (3.2.1)
    • C12Y302/01139—Alpha-glucuronidase (3.2.1.139)
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • D21H11/20—Chemically or biochemically modified fibres
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P2203/00—Fermentation 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 of xylan Withdrawn EP2580249A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA201003273 2010-06-08
PCT/IB2011/001250 WO2011154807A1 (en) 2010-06-08 2011-06-07 Modification of xylan

Publications (2)

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

Family

ID=45097596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11792012.4A Withdrawn EP2580249A4 (en) 2010-06-08 2011-06-07 Modification of xylan

Country Status (4)

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

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2676536A1 (en) 2012-06-22 2013-12-25 AIT Austrian Institute of Technology GmbH Method for producing plant seed containing endophytic micro-organisms
AU2013377774A1 (en) 2013-02-05 2015-09-17 University Of Saskatchewan Endophytic microbial symbionts in plant prenatal care
US10136646B2 (en) 2013-06-26 2018-11-27 Indigo Ag, Inc. Agricultural endophyte-plant compositions, and methods of use
MX2020003137A (en) 2013-06-26 2021-03-25 Indigo Ag Inc Seed-origin endophyte populations, compositions, and methods of use.
CA3209979A1 (en) 2013-09-04 2015-03-12 Indigo Ag, Inc. Agricultural endophyte-plant compositions, and methods of use
HUE048814T2 (en) 2013-11-06 2020-08-28 Texas A & M Univ Sys Fungal endophytes for improved crop yields and protection from pests
WO2015100431A2 (en) 2013-12-24 2015-07-02 Symbiota, Inc. Plants containing beneficial endophytes
US9364005B2 (en) 2014-06-26 2016-06-14 Ait Austrian Institute Of Technology Gmbh Plant-endophyte combinations and uses therefor
WO2015100432A2 (en) 2013-12-24 2015-07-02 Symbiota, Inc. Method for propagating microorganisms within plant bioreactors and stably storing microorganisms within agricultural seeds
CA2952057A1 (en) 2014-06-20 2015-12-23 The Flinders University Of South Australia Inoculants comprising actinobacterial microorganism(s) for enhancing leguminous plant growth parameter(s)
WO2015200902A2 (en) 2014-06-26 2015-12-30 Symbiota, LLC Endophytes, associated compositions, and methods of use thereof
US20170338943A1 (en) * 2014-10-29 2017-11-23 Massachusetts Institute Of Technology Dna encryption technologies
WO2016109758A2 (en) 2014-12-30 2016-07-07 Symbiota, LLC Seed endophytes across cultivars and species, associated compositions, and methods of use thereof
MX2017013866A (en) 2015-05-01 2018-04-13 Indigo Agriculture Inc Designed complex endophyte compositions and methods for improved plant traits.
RU2017141632A (en) 2015-05-01 2019-06-03 Индиго Агрикултуре, Инк. ISOLATED COMPLEX ENDOPHITIC COMPOSITIONS AND METHODS OF IMPROVING PLANT SIGNS
CA2988764A1 (en) 2015-06-08 2016-12-15 Indigo Agriculture, Inc. Streptomyces endophyte compositions and methods for improved agronomic traits in plants
WO2017112827A1 (en) 2015-12-21 2017-06-29 Indigo Agriculture, 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
US11807586B2 (en) 2016-12-23 2023-11-07 The Texas A&M University System Fungal endophytes for improved crop yields and protection from pests
CN110582205A (en) 2017-03-01 2019-12-17 靛蓝股份公司 Endophytic plant composition and method for improving plant traits
WO2018160244A1 (en) 2017-03-01 2018-09-07 Indigo Ag, Inc. Endophyte compositions and methods for improvement of plant traits
BR112019022446B1 (en) 2017-04-27 2024-01-16 The Flinders University Of South Australia COMPOSITIONS OF STREPTOMYCES BACTERIAL INOCULANTS AND METHOD FOR CONTROLLING FUNGAL ROOT DISEASE IN WHEAT OR CANOLA
US11263707B2 (en) 2017-08-08 2022-03-01 Indigo Ag, Inc. Machine learning in agricultural planting, growing, and harvesting contexts
EP3684167A2 (en) 2017-09-18 2020-07-29 Indigo AG, Inc. Markers of plant health
US11589579B2 (en) 2017-09-22 2023-02-28 Biotenzz Gesellschaft Für Biotechnologie Mbh Polymeric particles containing microorganisms
SE2350110A1 (en) * 2023-02-06 2024-06-18 Soedra Skogsaegarna Ekonomisk Foerening Method for production of chemical wood pulp with enhanced tensile strength

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

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