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    • 10. 发明申请
    • HIGH LEVEL EXPRESSION OF HETEROLOGOUS PROTEINS
    • 异位蛋白的高水平表达
    • WO0222779A3
    • 2003-01-09
    • PCT/IL0100870
    • 2001-09-16
    • PROCHON BIOTECH LTDYEDA RES & DEVBOGIN ORENYAYON AVNERPERETZ MOSHEBURSTEIN YIGAL
    • BOGIN ORENYAYON AVNERPERETZ MOSHEBURSTEIN YIGAL
    • C12N1/21C12N9/02C12N15/67C07H21/02C07K1/00C12N1/20C12N5/00C12N15/00C12N15/09
    • C12N9/0004C12N15/67
    • The present invention discloses the isolation and use of a specific bacterial promoter region suitable for use in constructs for the high level production of heterologous proteins. This promoter is derived from the bacterial gene encoding for alcohol dehydrogenase, in particular the alcohol dehydrogenase genes isolated from the thermophilic bacterial strain T. brockii and the mesophilic bacterial strain Clostridium beijerinckii. It is now disclosed that using either the intact promoter region or certain specific fragments consisting of at least a 88bp DNA sequence in the upstream untranslated region of the bacterial alcohol dehydrogenase gene, operatively linked to the nucleic acid sequences encoding a heterologous protein, and insertion into a DNA plasmid or any other suitable vector system, hereologous genes can be expressed in high levels in host cells. Heterologous proteins or peptides can be expessed constitutively at high levels. The proteins are obtained in their active folded form.
    • 本发明公开了分离和使用适用于高产量异源蛋白质的构建体的特异性细菌启动子区域。 该启动子源自编码醇脱氢酶的细菌基因,特别是从嗜热细菌菌株T. brockii和嗜温细菌菌株Clostridium beijerinckii分离的醇脱氢酶基因。 现在公开了在细菌醇脱氢酶基因的上游非翻译区域中使用完整启动子区域或由至少88bp DNA序列组成的某些特异性片段,其与编码异源蛋白质的核酸序列可操作地连接,并插入到 DNA质粒或任何其他合适的载体系统,异源基因可以在宿主细胞中以高水平表达。 异源蛋白质或肽可以高度组成型表达。 以活性折叠形式获得蛋白质。