FI20031094A - Xylanaaseja, joilla on lisääntynyt termofiilisyys ja alkalifiilisyys - Google Patents

Xylanaaseja, joilla on lisääntynyt termofiilisyys ja alkalifiilisyys Download PDF

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Publication number
FI20031094A
FI20031094A FI20031094A FI20031094A FI20031094A FI 20031094 A FI20031094 A FI 20031094A FI 20031094 A FI20031094 A FI 20031094A FI 20031094 A FI20031094 A FI 20031094A FI 20031094 A FI20031094 A FI 20031094A
Authority
FI
Finland
Prior art keywords
alkaliphilicity
xylanases
thermophilicity
increased
increased thermophilicity
Prior art date
Application number
FI20031094A
Other languages
English (en)
Swedish (sv)
Other versions
FI122936B (fi
Inventor
Wing L Sung
Original Assignee
Ca Nat Research Council
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 Ca Nat Research Council filed Critical Ca Nat Research Council
Publication of FI20031094A publication Critical patent/FI20031094A/fi
Application granted granted Critical
Publication of FI122936B publication Critical patent/FI122936B/fi

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14—Hydrolases (3)
    • C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
    • C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
    • C12N9/2477—Hemicellulases not provided in a preceding group
    • C12N9/248—Xylanases
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/14—Hydrolases (3)
    • C12N9/24—Hydrolases (3) acting on glycosyl compounds (3.2)
    • C12N9/2402—Hydrolases (3) acting on glycosyl compounds (3.2) hydrolysing O- and S- glycosyl compounds (3.2.1)
    • C12N9/2477—Hemicellulases not provided in a preceding group
    • C12N9/248—Xylanases
    • C12N9/2482—Endo-1,4-beta-xylanase (3.2.1.8)
    • 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)
    • C12Y302/01008—Endo-1,4-beta-xylanase (3.2.1.8)
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Microbiology (AREA)
  • Biotechnology (AREA)
  • Biomedical Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Paper (AREA)
FI20031094A 2001-11-21 2003-07-21 Ksylanaaseja, joilla on lisääntynyt termofiilisyys ja alkalifiilisyys FI122936B (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US99087401 2001-11-21
US09/990,874 US7510860B1 (en) 2001-11-21 2001-11-21 Xylanases with enhanced thermophilicity and alkalophilicity
PCT/CA2002/001758 WO2003046169A2 (en) 2001-11-21 2002-11-20 Xylanases with enhanced thermophilicity and alkalophilicity
CA0201758 2002-11-20

Publications (2)

Publication Number Publication Date
FI20031094A true FI20031094A (fi) 2003-09-18
FI122936B FI122936B (fi) 2012-09-14

Family

ID=25536607

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20031094A FI122936B (fi) 2001-11-21 2003-07-21 Ksylanaaseja, joilla on lisääntynyt termofiilisyys ja alkalifiilisyys

Country Status (7)

Country Link
US (1) US7510860B1 (fi)
CN (1) CN1697877B (fi)
AU (1) AU2002342464A1 (fi)
CA (1) CA2435527C (fi)
FI (1) FI122936B (fi)
SE (1) SE526842C2 (fi)
WO (1) WO2003046169A2 (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR0111316A (pt) * 2000-05-31 2003-12-16 Ca Nat Research Council Xilanase modificada e uso da mesma
BRPI0509168A (pt) 2004-03-25 2007-09-11 Iogen Bio Products Corp xilanases modificadas que exibem expressão melhorada
WO2007115391A1 (en) * 2006-04-12 2007-10-18 National Research Council Of Cananda Modification of xylanases to increase thermophilicity, thermostability and alkalophilicity
DK2784161T3 (en) 2011-11-25 2018-09-24 Mitsui Chemicals Inc Xylanase Mutant, Method of Preparation and Use thereof, and Method of Preparation of Sucessed Lignocellulose
GB201401648D0 (en) 2014-01-31 2014-03-19 Dupont Nutrition Biosci Aps Protein
GB201401699D0 (en) * 2014-01-31 2014-03-19 Dupont Nutrition Biosci Aps Protein
EP3149028B1 (en) 2014-05-30 2021-09-15 Novozymes A/S Variants of gh family 11 xylanase and polynucleotides encoding same
EP3240425A1 (en) 2014-12-29 2017-11-08 Intercontinental Great Brands LLC Enzymatic bran and germ flavor and texture improvement
CN109402091B (zh) * 2017-08-18 2022-02-11 潍坊康地恩生物科技有限公司 木聚糖酶突变体
JP7135334B2 (ja) * 2018-02-22 2022-09-13 株式会社豊田中央研究所 キシラナーゼ及びその利用
CN109750016B (zh) * 2019-03-27 2023-04-28 云南师范大学 热稳性提高的木聚糖酶突变体及其制备方法和应用
WO2023014081A1 (ko) * 2021-08-06 2023-02-09 씨제이제일제당 (주) 자일라나제 활성을 갖는 변이형 폴리펩티드

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2573854B2 (ja) 1987-12-12 1997-01-22 日興バイオ技研株式会社 超精密装置の超精密洗浄方法
GB9018426D0 (en) 1990-08-22 1990-10-03 Sandoz Ltd Improvements in or relating to novel compounds
US5610046A (en) * 1992-12-24 1997-03-11 Gist-Brocades, N.V. Cloning and expression of xylanase B
US5405769A (en) 1993-04-08 1995-04-11 National Research Council Of Canada Construction of thermostable mutants of a low molecular mass xylanase
JPH09503130A (ja) * 1993-10-04 1997-03-31 ノボ ノルディスク アクティーゼルスカブ 修飾酵素を含んで成る酵素調製品
EP0728197A1 (en) 1993-11-05 1996-08-28 Cornell Research Foundation, Inc. THERMOSTABLE XYLANASE FROM A $i(THERMOMONOSPORA FUSCA) GENE
ATE210180T1 (de) * 1995-01-26 2001-12-15 Novozymes As Xylanase beinhaltende futterzusätze für tiere
US6228629B1 (en) * 1995-12-18 2001-05-08 Röhn Enzyme Finland OY Xylanases, genes encoding them, and uses thereof
US5759840A (en) 1996-09-09 1998-06-02 National Research Council Of Canada Modification of xylanase to improve thermophilicity, alkalophilicity and thermostability
EP1131447B2 (en) 1998-11-16 2011-10-12 National Research Council Of Canada Thermostable xylanases
ATE491024T1 (de) * 2000-03-08 2010-12-15 Danisco Xylanase-varianten mit veränderter sensitivität gegenüber xylanase-hemmstoffen
BR0111316A (pt) * 2000-05-31 2003-12-16 Ca Nat Research Council Xilanase modificada e uso da mesma

Also Published As

Publication number Publication date
CN1697877A (zh) 2005-11-16
FI122936B (fi) 2012-09-14
US7510860B1 (en) 2009-03-31
AU2002342464A1 (en) 2003-06-10
WO2003046169A3 (en) 2004-04-15
SE0302103D0 (sv) 2003-07-18
CN1697877B (zh) 2011-05-11
CA2435527C (en) 2014-01-21
SE0302103L (sv) 2003-09-19
US20090075330A1 (en) 2009-03-19
SE526842C2 (sv) 2005-11-08
CA2435527A1 (en) 2003-06-05
WO2003046169A2 (en) 2003-06-05

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