EP2580249A4 - Modifikation von xylan - Google Patents

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Withdrawn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Withdrawn legal-status Critical Current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 Modifikation von xylan Withdrawn EP2580249A4 (de)

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 (de) 2013-04-17
EP2580249A4 true EP2580249A4 (de) 2014-10-01

Family

ID=45097596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11792012.4A Withdrawn EP2580249A4 (de) 2010-06-08 2011-06-07 Modifikation von xylan

Country Status (4)

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

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2676536A1 (de) 2012-06-22 2013-12-25 AIT Austrian Institute of Technology GmbH Verfahren zur Herstellung von Pflanzensamen mit endophytischen Mikroorganismen
CA2899823C (en) 2013-02-05 2023-02-14 Vladimir Vujanovic 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
MX2020003135A (es) 2013-06-26 2021-03-25 Indigo Ag Inc Poblaciones endofitas derivadas de semillas, composiciones y metodos de uso.
EP3659414A1 (de) 2013-09-04 2020-06-03 Indigo Ag, Inc. Landwirtschaftliche endophytenpflanzenzusammensetzungen und verfahren zur verwendung
US9277751B2 (en) 2013-11-06 2016-03-08 The Texas A&M University System Fungal endophytes for improved crop yields and protection from pests
WO2015100432A2 (en) 2013-12-24 2015-07-02 Symbiota, Inc. Method for propagating microorganisms within plant bioreactors and stably storing microorganisms within agricultural seeds
US9364005B2 (en) 2014-06-26 2016-06-14 Ait Austrian Institute Of Technology Gmbh Plant-endophyte combinations and uses therefor
CA3101008A1 (en) 2013-12-24 2015-07-02 Indigo Ag, Inc. Plants containing beneficial endophytes
MX367032B (es) 2014-06-20 2019-08-02 The Flinders Univ Of South Australia Inoculantes y metodos para su uso.
EP3161124B1 (de) 2014-06-26 2020-06-03 Indigo Ag, Inc. Endophyten, entsprechende zusammensetzungen und verfahren zur verwendung davon
US20170338943A1 (en) * 2014-10-29 2017-11-23 Massachusetts Institute Of Technology Dna encryption technologies
US10667523B2 (en) 2014-12-30 2020-06-02 Indigo Ag, Inc. Seed endophytes across cultivars and species, associated compositions, and methods of use thereof
CN107846838A (zh) 2015-05-01 2018-03-27 靛蓝农业公司 用于改进的植物性状的分离的复合内生菌组合物和方法
BR112017023551A2 (pt) 2015-05-01 2018-07-24 Indigo Agriculture Inc composições de endófitos complexos projetados e métodos para melhorar características da planta.
AU2016274683B2 (en) 2015-06-08 2021-06-24 Indigo Ag, Inc. Streptomyces endophyte compositions and methods for improved agronomic traits in plants
AU2016378742A1 (en) 2015-12-21 2018-07-12 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
MX2019007637A (es) 2016-12-23 2019-12-16 Texas A & M Univ Sys Endófitos fúngicos para mejores rendimientos de los cultivos y protección contra las plagas.
EP3589128A1 (de) 2017-03-01 2020-01-08 Indigo AG, Inc. Endophytenzusammensetzungen und verfahren zur verbesserung von pflanzeneigenschaften
CN111432631A (zh) 2017-03-01 2020-07-17 靛蓝股份公司 内生植物组合物和用于改进植株性状的方法
EP3629742A4 (de) 2017-04-27 2022-01-05 Flinders University Of South Australia Bakterielle impfmittel
US11263707B2 (en) 2017-08-08 2022-03-01 Indigo Ag, Inc. Machine learning in agricultural planting, growing, and harvesting contexts
EP3684175A1 (de) 2017-09-22 2020-07-29 Technische Universität Graz Polymerteilchen mit mikroorganismen

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

Similar Documents

Publication Publication Date Title
ZA201209407B (en) Modification of xylan
IL237581B (en) Derivatives of 6-oxo-pyrazinopyrrolopyrimidines
ZA201304280B (en) Treatment of jak2-mediated conditions
PT2539136T (pt) Poste de barreira e método de fabrico do mesmo
TWM389827U (en) Improved structure of lamp
GB201004096D0 (en) Production of polyhydroalkanoates
PL2513060T3 (pl) Krystaliczna postać α karbabenzopirydu
EP2536693A4 (de) Substituierte 2-imidazolidone und analoga
HK1160777A1 (en) Novel use of neohesperidoside
TWM388919U (en) Structure of endoscope
TWM390860U (en) Structure of granulator
TWM386637U (en) Improved structure of connector
TWM387405U (en) Improved structure of connector
TWM389379U (en) Structural improvement of connector
TWM390349U (en) Structure of door-in-door
TWM386865U (en) Residue-filtering structure of juice-extractor
TWM400763U (en) Improved structure of cold-accumulating cravats
TWM388315U (en) Improved structure of hemoclip
TWM390745U (en) Structure improvement of tea-making can
HU1000688D0 (en) Use of trifluoro-phal
TWM402612U (en) Improved structure of connection member
TWM389918U (en) Improved structure of transformer
TWM390659U (en) Structure of connection member
TWM401317U (en) Improved multi-weave structure of socks
TWM390794U (en) Improved structure of mask

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20130107

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20140903

RIC1 Information provided on ipc code assigned before grant

Ipc: C12P 19/04 20060101ALI20140828BHEP

Ipc: D21H 11/20 20060101ALI20140828BHEP

Ipc: C08B 37/14 20060101AFI20140828BHEP

Ipc: C09D 105/14 20060101ALI20140828BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20150331