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    • 3. 发明申请
    • MODIFIED MESSENGER RNA STABILIZING SEQUENCES FOR EXPRESSING GENES IN BACTERIAL CELLS
    • 用于在细菌中表达基因的修饰信使RNA稳定序列
    • WO2008140615A2
    • 2008-11-20
    • PCT/US2007/088060
    • 2007-12-19
    • NOVOZYMES, INC.THOMAS, MichaelERICHSEN, GloriaWIDNER, William
    • THOMAS, MichaelERICHSEN, GloriaWIDNER, William
    • C12N1/00
    • C07K14/32C12N15/75
    • The present invention relates to methods of producing a polypeptide having biological activity in a bacterial cell, comprising: (a) cultivating a bacterial host cell in a medium conducive for production of the polypeptide, wherein the bacterial host cell comprises a nucleic acid construct comprising a promoter region operably linked to a polynucleotide sequence encoding the polypeptide and a modified mRNA processing/stabilizing sequence located downstream of the promoter region and upstream of the ribosome binding site of the polynucleotide sequence encoding the polypeptide, wherein the modified mRNA processing/stabilizing sequence promotes higher expression of the polynucleotide sequence compared to an unmodified mRNA processing/stabilizing sequence; and (b) isolating the polypeptide having biological activity from the cultivation medium. The present invention also relates to such modified mRNA processing/stabilizing sequences, nucleic acid constructs, and bacterial host cells and to methods of obtaining such bacterial host cells.
    • 本发明涉及生产在细菌细胞中具有生物活性的多肽的方法,包括:(a)在有助于产生多肽的培养基中培养细菌宿主细胞,其中细菌宿主细胞包含核酸构建体,其包含 启动子区域,其可操作地连接于编码多肽的多核苷酸序列和位于启动子区域下游和编码多肽的多核苷酸序列的核糖体结合位点上游的修饰的mRNA加工/稳定序列,其中修饰的mRNA加工/稳定序列促进较高 与未修饰的mRNA加工/稳定序列相比,多核苷酸序列的表达; 和(b)从培养基中分离具有生物活性的多肽。 本发明还涉及这种修饰的mRNA加工/稳定序列,核酸构建体和细菌宿主细胞以及获得这种细菌宿主细胞的方法。
    • 4. 发明申请
    • MODIFIED MESSENGER RNA STABILIZING SEQUENCES FOR EXPRESSING GENES IN BACTERIAL CELLS
    • 用于在细菌细胞中表达基因的修饰信使RNA稳定序列
    • WO2008140615A3
    • 2009-05-14
    • PCT/US2007088060
    • 2007-12-19
    • NOVOZYMES INCTHOMAS MICHAELERICHSEN GLORIAWIDNER WILLIAM
    • THOMAS MICHAELERICHSEN GLORIAWIDNER WILLIAM
    • C12N15/75
    • C07K14/32C12N15/75
    • The present invention relates to methods of producing a polypeptide having biological activity in a bacterial cell, comprising: (a) cultivating a bacterial host cell in a medium conducive for production of the polypeptide, wherein the bacterial host cell comprises a nucleic acid construct comprising a promoter region operably linked to a polynucleotide sequence encoding the polypeptide and a modified mRNA processing/stabilizing sequence located downstream of the promoter region and upstream of the ribosome binding site of the polynucleotide sequence encoding the polypeptide, wherein the modified mRNA processing/stabilizing sequence promotes higher expression of the polynucleotide sequence compared to an unmodified mRNA processing/stabilizing sequence; and (b) isolating the polypeptide having biological activity from the cultivation medium. The present invention also relates to such modified mRNA processing/stabilizing sequences, nucleic acid constructs, and bacterial host cells and to methods of obtaining such bacterial host cells.
    • 本发明涉及生产在细菌细胞中具有生物活性的多肽的方法,包括:(a)在有助于产生多肽的培养基中培养细菌宿主细胞,其中细菌宿主细胞包含核酸构建体,其包含 与编码多肽的多核苷酸序列可操作地连接的启动子区和位于编码多肽的多核苷酸序列的启动子区域的下游和修饰的mRNA加工/稳定序列的修饰的mRNA加工/稳定序列,其中修饰的mRNA加工/稳定序列促进更高 与未修饰的mRNA加工/稳定序列相比,多核苷酸序列的表达; 和(b)从培养基中分离具有生物活性的多肽。 本发明还涉及这种修饰的mRNA加工/稳定序列,核酸构建体和细菌宿主细胞以及获得这种细菌宿主细胞的方法。