| 摘要 |
PURPOSE: Provided are novel polypeptides having chitosanase activity derived from Bacillus thuringiensis. The novel polypeptides are useful for the production of water soluble chitosan oligosaccharide. CONSTITUTION: Chitosanase is characteristically isolated from Bacillus thuringiensis, particularly Bacillus thuringiensis sub. alesti, Bacillus thuringiensis sub. sotto, Bacillus thuringiensis sub. morrisoni, Bacillus thuringiensis sub. sandiego, Bacillus thuringiensis sub. darmstadiensis, Bacillus thuringiensis sub. thompsoni, Bacillus thuringiensis sub. israelensis, Bacillus thuringiensis sub. tochigiensis, Bacillus thuringiensis sub. kurstaki, Bacillus thuringiensis sub. canadensis, Bacillus thuringiensis sub. dakota, Bacillus thuringiensis sub. galleriae, Bacillus thuringiensis sub. entomocidus, Bacillus thuringiensis sub. aizawai or Bacillus thuringiensis sub. ostriniae.
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