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    • 6. 发明申请
    • IMPROVED FILAMENTOUS FUNGAL HOST
    • 改进的丝状真菌宿主
    • WO2018015443A1
    • 2018-01-25
    • PCT/EP2017/068242
    • 2017-07-19
    • NOVOZYMES A/S
    • KOJIMA, KaiheiTERAMOTO, HiroshiRAMAIYA, Preethi
    • C07K14/38C12P21/02C12N15/80
    • The instant invention relates to filamentous fungal host cells producing and secreting a heterologous polypeptide of interest, said mutant host cell comprising and expressing a mutated ireA gene or a homologue thereof encoding a modified IreA polypeptide or a homologue thereof, said modified IreA polypeptide or homologue thereof comprising amino acid substitutions in 5 positions corresponding to positions 81 and 84 in the Aspergillus niger IreA amino acid sequence shown in SEQ ID NO:16, as well as methods of producing a polypeptide of interest in said cells and methods for constructing said cells.
    • 本发明涉及产生和分泌感兴趣的异源多肽的丝状真菌宿主细胞,所述突变宿主细胞包含并表达突变的ireA基因或其同源物,所述突变的ireA基因或其同源物编码 修饰的IreA多肽或其同源物,所述修饰的IreA多肽或其同源物在对应于SEQ ID NO:16所示的黑曲霉IreA氨基酸序列中的位置81和84的5个位置中包含氨基酸取代 ,以及在所述细胞中产生目的多肽的方法和构建所述细胞的方法。