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    • 4. 发明申请
    • Methods of treatment using wisp polypeptides
    • 使用多肽的治疗方法
    • US20050054563A1
    • 2005-03-10
    • US10399093
    • 2001-10-12
    • Luc DesnoyerEllen FilvaroffDiane Pennica
    • Luc DesnoyerEllen FilvaroffDiane Pennica
    • A61K38/00A61P19/02A61P29/00C07K14/47C07K14/475C12N15/12A61K38/17
    • C07K14/475A61K38/00C07K14/47
    • A transgenic bacterial host cell that can be used as a screen for novel antibiotics and herbicides is provided. The genome of the transgenic bacterial host cell comprises disruptions in a first endogenous gene in the MEP pathway) and a transgene that functionally replaces the disrupted first gene. In other embodiments, the genome comprises a disruption in a first endogenous gene in the MEP pathway and a second endogenous gene which is located downstream of the first gene in the MEP pathway. A transgene that functionally replaces the disrupted downstream gene is cloned into the host cell. A mini operon containing the essential genes for the MVA pathway may also be cloned into the host cell. The transgenic host cell may be used in a method for screening compounds for antibiotic and herbicidal properties. The agents determined by the screening method may be used to kill bacteria or plants.
    • 提供了可用作新型抗生素和除草剂筛选的转基因细菌宿主细胞。 转基因细菌宿主细胞的基因组包括在MEP途径中的第一内源基因中的破坏)和在功能上替代被破坏的第一基因的转基因。 在其他实施方案中,基因组包含MEP途径中的第一内源基因的破坏和位于MEP途径中第一个基因下游的第二内源基因。 功能性替代被破坏的下游基因的转基因被克隆到宿主细胞中。 含有MVA途径必需基因的迷你操纵子也可以克隆到宿主细胞中。 转基因宿主细胞可用于筛选抗生素和除草性质的化合物的方法。 通过筛选方法测定的试剂可用于杀死细菌或植物。