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PSEUDOMONAS FLUORESCENS STRAINS FOR PRODUCTION OF EXTRACELLULAR RECOMBINANT PROTEIN

机译:假单胞菌菌株用于生产细胞外重组蛋白

摘要

Provided herein are compositions and methods for improving secretion of heterologous protein from a population of Pseudomonas fluorescens-derived cells. The compositions include host cell populations that have been genetically modified to increase secretion into the extracellular space of a heterologous protein of interest. The genetically-modified host cell populations are useful for improving the extracellular secretion of any protein of interest, including therapeutic proteins, hormones, a growth factors, extracellular receptors or ligands, proteases, kinases, blood proteins, chemokines, cytokines, antibodies and the like. In various embodiments, the modified P. fluorescens host cell populations include one or more genomic mutations responsible for or contributing to the improved level of extracellular secretion. The host cell populations of the invention include the modified P. fluorescens strains deposited in the American Type Tissue Culture Collection and assigned accession numbers PTA-8981 and PTA-8982.
机译:本文提供了用于改善荧光假单胞菌来源的细胞群中异源蛋白分泌的组合物和方法。所述组合物包括已经被遗传修饰以增加分泌到目的异源蛋白质到细胞外空间的宿主细胞群。遗传修饰的宿主细胞群体可用于改善任何目的蛋白质的细胞外分泌,包括治疗性蛋白质,激素,生长因子,细胞外受体或配体,蛋白酶,激酶,血液蛋白质,趋化因子,细胞因子,抗体等。 。在各种实施方案中,经修饰的荧光假单胞菌宿主细胞群包括一种或多种基因组突变,其负责或促成细胞外分泌水平的提高。本发明的宿主细胞群包括保藏在美国典型组织培养物保藏中心中的修饰的荧光假单胞菌菌株,其登录号为PTA-8981和PTA-8982。

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