SG48883A1 - Genetic control of acetylation and pyruvylation of xanthan based polysaccharide polymers - Google Patents

Genetic control of acetylation and pyruvylation of xanthan based polysaccharide polymers

Info

Publication number
SG48883A1
SG48883A1 SG1996003370A SG1996003370A SG48883A1 SG 48883 A1 SG48883 A1 SG 48883A1 SG 1996003370 A SG1996003370 A SG 1996003370A SG 1996003370 A SG1996003370 A SG 1996003370A SG 48883 A1 SG48883 A1 SG 48883A1
Authority
SG
Singapore
Prior art keywords
moieties
mannose
linked
configuration
glucose
Prior art date
Application number
SG1996003370A
Other languages
English (en)
Inventor
Daniel N Doherty
Donna M Ferber
John D Marrelli
Rebecca W Vanderslice
Randal A Hassler
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Publication of SG48883A1 publication Critical patent/SG48883A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0033—Xanthan, i.e. D-glucose, D-mannose and D-glucuronic acid units, saubstituted with acetate and pyruvate, with a main chain of (beta-1,4)-D-glucose units; Derivatives thereof
    • 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
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20—Bacteria; Culture media therefor
    • C12N1/205—Bacterial isolates
    • 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
    • C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/01—Preparation of mutants without inserting foreign genetic material therein; Screening processes therefor
    • 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
    • C12P19/06—Xanthan, i.e. Xanthomonas-type heteropolysaccharides
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
    • C12R2001/00—Microorganisms ; Processes using microorganisms
    • C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
    • C12R2001/64—Xanthomonas

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Genetics & Genomics (AREA)
  • Zoology (AREA)
  • Wood Science & Technology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biotechnology (AREA)
  • Biochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Emergency Medicine (AREA)
  • Polymers & Plastics (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Plant Pathology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Virology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
SG1996003370A 1991-05-07 1992-05-01 Genetic control of acetylation and pyruvylation of xanthan based polysaccharide polymers SG48883A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US69673291A 1991-05-07 1991-05-07

Publications (1)

Publication Number Publication Date
SG48883A1 true SG48883A1 (en) 1998-05-18

Family

ID=24798302

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996003370A SG48883A1 (en) 1991-05-07 1992-05-01 Genetic control of acetylation and pyruvylation of xanthan based polysaccharide polymers

Country Status (9)

Country Link
EP (1) EP0584206B1 (ja)
JP (1) JPH06507433A (ja)
AT (1) ATE246255T1 (ja)
CA (1) CA2108895C (ja)
DE (1) DE69233141T2 (ja)
FI (1) FI105345B (ja)
NO (1) NO934044D0 (ja)
SG (1) SG48883A1 (ja)
WO (1) WO1992019753A1 (ja)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5591699A (en) * 1993-02-24 1997-01-07 E. I. Du Pont De Nemours And Company Particle transport fluids thickened with acetylate free xanthan heteropolysaccharide biopolymer plus guar gum
FR2766203B1 (fr) * 1997-07-17 2002-05-24 Rhodia Chimie Sa Fluides utilisables dans l'exploitation du petrole comprenant de la gomme xanthane desacetylee et au moins un compose augmentant la force ionique du milieu
US6139895A (en) * 1999-07-06 2000-10-31 Monsanto Company Viscosity stable acidic edible liquid compositions and method of making
US7285409B1 (en) * 2000-05-09 2007-10-23 Fundacao De Amparo A Pesquisa Do Estado De Sao Paulo Isolated gum operon from Xyllela fastidiosa, isolated nucleic acid molecules therefrom, and uses thereof
DE102007041861A1 (de) 2007-09-03 2009-03-05 Evonik Degussa Gmbh Herstellung von Polymeren mit reduziertem Acylgehalt
KR101054886B1 (ko) * 2008-07-16 2011-08-09 대한민국 잔탄검 생합성 관련 돌연변이 유전자와 이를 포함하는잔탄검 생합성 균주 및 돌연변이 균주를 이용한 잔탄검의제조방법
EP2818557A1 (en) * 2013-06-24 2014-12-31 Westfälische Wilhelms-Universität Münster Process for the site-specific deacetylation of xanthan employing esterases
US9663703B2 (en) 2014-04-25 2017-05-30 James George Clements Method and compositions for enhanced oil recovery
WO2019191119A1 (en) * 2018-03-28 2019-10-03 Herbalife International Of America, Inc. Acetylation of polysaccharides
CN109706110A (zh) * 2019-01-31 2019-05-03 南开大学 一株生产凝胶态黄原胶的基因工程菌株及其构建方法和应用

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4296203A (en) * 1977-11-15 1981-10-20 Pfizer Inc. Xanthomonas bipolymer for use in displacement of oil from partially depleted reservoirs
US4713449A (en) * 1985-08-06 1987-12-15 Getty Scientific Development Company Polysaccharide polymer made by xanthomonas
SG164261A1 (en) * 1986-03-24 2010-09-29 Texaco Development Corp Family of xanthan-based polysaccharide polymers including non- acethylated and/or non-pyruvylated gum
CA2021414C (en) * 1989-07-25 2004-09-28 Daniel H. Doherty Genetic control of acetylation and pyruvylation of xanthan gum

Also Published As

Publication number Publication date
CA2108895C (en) 2002-07-09
EP0584206B1 (en) 2003-07-30
WO1992019753A1 (en) 1992-11-12
EP0584206A1 (en) 1994-03-02
FI934902A0 (fi) 1993-11-05
NO934044L (no) 1993-11-08
CA2108895A1 (en) 1992-11-08
NO934044D0 (no) 1993-11-08
JPH06507433A (ja) 1994-08-25
FI934902A (fi) 1993-11-05
DE69233141D1 (de) 2003-09-04
DE69233141T2 (de) 2004-04-08
FI105345B (fi) 2000-07-31
ATE246255T1 (de) 2003-08-15

Similar Documents

Publication Publication Date Title
CA1264537C (ja)
IE881150L (en) Low molecular weight heparins of regular structure, their¹preparation and their biological uses
AU4933490A (en) A novel chemical and physical cellulose derivative hydrolysate and fractions thereof
AU5061899A (en) Anti-ulcer composition
CA2168041A1 (en) Viscosity-modified lactide polymer composition and process for manufacture thereof
AU4217189A (en) Aqueous gel based on hyaluronic acid and desoxyribonucleic acid usable in cosmetics, and method for its preparation
SG48883A1 (en) Genetic control of acetylation and pyruvylation of xanthan based polysaccharide polymers
CA2007616A1 (en) Heparinic derivatives and process for their preparation
CA2011956A1 (en) Sodium hyaluronate composition
CA2253833A1 (en) Derivatives of k5 polysaccharide having high anticoagulant activity
HUP9903666A2 (hu) Eljárás alacsony polidiszperziós indexű hialuronsav-frakció előállítására
EP0410326A3 (en) Genetic control of acetylation and pyruvylation of xanthan gum
EP0511690A3 (en) Family of xanthan-based polysaccharide polymers including non-acetylated and/or non-pyruvylated gum
CA2073292A1 (en) Carboxyalkyl polysaccharides having improved absorbent properties and process for the preparation thereof
NZ232434A (en) A water-soluble cellulose derivative with a molecular weight between 500 and 100,000 produced by enzymatic hydrolysis; use in food
AU637143B2 (en) Sulphated glycosaminoglycuronan with antithrombotic activity
CA2348767A1 (en) Method for producing an antitumoral agent and antitumoral agent thus obtained
CA2240682A1 (en) A process for preparing a hyaluronic acid fraction having a low polydispersion index