Pseudoalteromonas sp., dextran enzyme-producing method using same and dextran enzyme product

A technology of alternating Pseudomonas and dextran, which is applied in biochemical equipment and methods, enzymes, bacteria, etc., and can solve the problems of insufficient research on medicinal enzymes and insufficient research on marine-derived enzyme preparations.
CN102154158AInactive Publication Date: 2011-08-17HUAIHAI INST OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HUAIHAI INST OF TECH
Publication Date
2011-08-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a Pseudoalteromonas sp. LP602 CGMCC No.4319. The strain is characterized in that the strain is a Gram-negative rod-shaped bacterium, and has capsules but no spores; and the growth temperature range of the strain is 4-37 DEG C, the growth pH range is 6.0-11.0, and the grown NaCl concentration range is 0.5-10%. The invention also discloses a method for producing a dextran enzyme by using the Pseudoalteromonas sp. and a dextran enzyme product prepared by the method. The dextran enzyme plays an important role in the aspects of saprodontia prevention and treatment, medicaldextran production and the like.
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Description

technical field

[0001] The present invention relates to a kind of microorganism, especially a kind of Pseudomonas alternata LP602 ( Pseudoalteromonassp .LP602) CGMCC No.4319 (preserved in CGMCC, General Microorganism Center of China Microbiological Culture Collection Management Committee on November 10, 2010, and the preservation number is CGMCC No.4319); the present invention also relates to the strain producing dextranase methods and products. Background technique

[0002] Dextran is mainly glucose linked by α-1,6-glucosidic bonds. Dextranase (Dextranase, α-D-1,6-Glucan-6-D-Glucanohydrolase, EC3.2.1.11), also known as α-glucanase, is a specific cleavage of α-1 in dextran , 6 glycosidic bond hydrolase.

[0003] At present, the dextranase-producing microorganisms reported at home and abroad are mainly Penicillium ( Penicillium sp. ), Star Lipoyeast ( Lipomyces starkeyi ), Chaetomium Diagonum ( Chaetomium gracile ), Aspergillus ( Aspergillus ustus ), Bacillus ( B...

Claims

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