Isolation and Characterization of Schizochytrium Aggregatum Cellobiohydrolase I (CBH I)
    23.
    发明申请
    Isolation and Characterization of Schizochytrium Aggregatum Cellobiohydrolase I (CBH I) 有权
    裂殖壶菌纤维二糖水解酶I(CBH I)的分离和表征

    公开(公告)号:US20110312054A1

    公开(公告)日:2011-12-22

    申请号:US13003199

    申请日:2009-07-07

    摘要: The present invention provides for the isolation and characterization of the cbh1 gene from Schizochytrium aggregatum. In particular, the present invention provides for the nucleic acid and amino acid sequences of Schizochytrium aggregatum cbh1, and domains, variants and derivatives thereof. The present invention further provides for the heterologous expression of Schizochytrium aggregatum Cbh1 in host cells, including yeast, e.g., Saccharomyces cerevisiae. Expression of Schizochytrium aggregatum Cbh1 in host cells will augment cellulose digestion and facilitate ethanol production by those host cells on cellulosic substrates. In certain embodiments, heterologous expression in Saccharomyces cerevisiae is in coordination with heterologous expression of other known, or newly identified saccharolytic enzymes. Therefore, the present invention also provides that the novel Schizochytrium aggregatum Cbh1 gene can utilized in a consolidated bioprocessing system.

    摘要翻译: 本发明提供了来自裂殖壶菌的cbh1基因的分离和表征。 特别地,本发明提供了裂殖壶菌综合征cbh1及其结构域,变体和衍生物的核酸和氨基酸序列。 本发明还提供了在宿主细胞,包括酵母,例如酿酒酵母(Saccharomyces cerevisiae)的异源表达裂殖酵母凝集素Cbh1。 裂殖酵母聚集体Cbh1在宿主细胞中的表达将增加纤维素消化并促进那些宿主细胞在纤维素基质上的乙醇生成。 在某些实施方案中,酿酒酵母中的异源表达与其他已知或新鉴定的蔗糖分解酶的异源表达配合。 因此,本发明还提供了新颖的裂殖壶菌聚集体Cbh1基因可以用于固结的生物处理系统中。