C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/56 (2006.01) C12N 1/20 (2006.01) C12N 9/24 (2006.01) C12P 19/14 (2006.01) C12S 3/08 (2006.01) D21C 5/00 (2006.01) D21C 9/10 (2006.01)
Patent
CA 2168344
The present invention discloses enzymes having xylanase activity. The xylanases are characterized in that they are active at a temperature of 80 °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~ 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.
Bergquist Peter Leonard
Daniel Roy Mciver
Farrel Roberta Lee
Forster Simon
Gronberg Vidar
Genencor International Inc.
Gist-Brocades B.v.
Osler Hoskin & Harcourt Llp
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