THERMOSTABLE XYLANASES

The present invention discloses enzymes having xylanase activity. The xylanases are characterized in that they are active at a temperature of 80 DEG C or higher. The enzymes are obtainable from anaerobic thermophilic bacteria. The enzymes are suited for use in paper and pulp production processes. Th...

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Bibliographische Detailangaben
Hauptverfasser:	FARREL, ROBERTA, LEE, QUAX, WILHELMUS, JOHANNES, MORGAN, HUGH, WILLIAM, IVERSON, SARA, MOODY, DEAN, BERGQUIST, PETER, LEONARD, GROENBERG, VIDAR, WILLIAMS, DIANE, P, FORSTER, SIMON, JONES, BRIAN, EDWARD, DANIEL, ROY, MCIVER, HERWEIJER, MARGARETA, ADRIANA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	APPARATUS THEREFOR BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA ENZYMOLOGY METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING PAPER-MAKING PRODUCTION OF CELLULOSE PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS REGENERATION OF PULPING LIQUORS SPIRITS TEXTILES VINEGAR WINE
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Beschreibung
Zusammenfassung:	The present invention discloses enzymes having xylanase activity. The xylanases are characterized in that they are active at a temperature of 80 DEG C or higher. The enzymes are obtainable from anaerobic thermophilic bacteria. The enzymes are suited for use in paper and pulp production processes. The invention also describes cloning and expression of genes having xylanase activity obtained from the deposited strains. L'invention concerne des enzymes possédant une activité xylanase. Ces xylanases sont caractérisées en ce qu'elles sont actives à une température de 80 DEG C ou plus. On obtient ces enzymes à partir de bactéries thermophiles anaérobies. Ces enzymes sont utiles dans des procédés de production de pâte à papier et de papier. L'invention concerne également le clonage et l'expression de gènes possédant l'activité xylanase et obtenus à partir des souches déposées.