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    • 9. 发明申请
    • METHOD FOR THE PRODUCTION OF CHITIN DEACETYLASE
    • 生产脱乙酰壳多糖的方法
    • WO2004072280A1
    • 2004-08-26
    • PCT/EP2004/001313
    • 2004-02-12
    • KITOZYME S.A.UNIVERSITE DE LIEGEVERSALI, Marie-FranceCLERISSE, FabienneGAUTHIER, CaroleDUMONT, FrançoiseDOMMES, Jacques
    • VERSALI, Marie-FranceCLERISSE, FabienneGAUTHIER, CaroleDUMONT, FrançoiseDOMMES, Jacques
    • C12N9/80
    • C12N1/16C07K2319/21C12N9/80C12Y305/01041
    • In a first aspect, the present invention relates to a recombinant fungal strain, capable of expressing chitin deacetylase, comprising an expression vector that contains a nucleic acid molecule encoding chitin deacetylase, a suitable promoter and a transcription terminator. In particular, the present invention provides a recombinant Aspergillus oryzae strain capable of expressing chitin deacetylase obtained from Mucor rouxii. The present invention also relates to a method for producing chitin deacetylase by a recombinant fungal strain. In a second aspect, the present invention relates to a recombinant yeast strain, capable of expressing chitin deacetylase, comprising an expression vector that contains a nucleic acid molecule encoding chitin deacetylase, a suitable promoter and a transcription terminator. In particular, the present invention provides a recombinant Pichia pastoris strain capable of expressing chitin deacetylase obtained from Mucor rouxii. The present invention also relates to a method for producing chitin deacetylase by a recombinant yeast strain. The present invention further relates to purified recombinant chitin deacetylase enzyme.
    • 在第一方面,本发明涉及能够表达几丁质脱乙酰酶的重组真菌菌株,其包含含有编码甲壳素脱乙酰酶的核酸分子,合适的启动子和转录终止子的表达载体。 特别地,本发明提供了能够表达从毛霉(Mucor rouxii)获得的几丁质脱乙酰酶的重组米曲霉菌株。 本发明还涉及通过重组真菌菌株生产壳多糖脱乙酰酶的方法。 在第二方面,本发明涉及能够表达几丁质脱乙酰酶的重组酵母菌株,其包含含有编码甲壳素脱乙酰酶的核酸分子,合适的启动子和转录终止子的表达载体。 特别地,本发明提供能够表达从毛霉(Mucor rouxii)获得的几丁质脱乙酰酶的重组毕赤酵母菌株。 本发明还涉及通过重组酵母菌株生产壳多糖脱乙酰酶的方法。 本发明还涉及纯化的重组壳多糖脱乙酰酶。