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中文摘要
翻译
哺乳动物的鸟氨酸脱羧酶(ODC)受到一种形式的反馈 调节,从而多胺,代谢途径的产物, 由ODC引发,当其 在细胞内水平变高。该过程发生在术后, 但其机制尚不清楚。寄生虫锥虫的ODC 布氏杆菌在结构上类似于哺乳动物ODC,但在 这边利用从寄生虫和小鼠克隆的基因,我们将 采用反向遗传学和生物化学的方法来研究这个问题。 此外,转基因小鼠将被用来确定是否 调节过程介导的重要生物功能,在完整的 有机体
英文摘要
Mammalian ornithine decarboxylase (ODC) is subject to a form of feedback regulation whereby polyamines, the product of the metabolic pathway initiated by ODC, cause a prompt reduction of enzymatic activity when their level becomes high within cells. This process occurs post- translationally, but its mechanism is not well understood. ODC of the parasite Trypanosome brucei is structurally similar to mammalian ODC, but is not regulated in this way. Utilizing cloned genes from the parasite and from mouse, we will employ reverse-genetic and biochemical approaches to studying this problem. In addition, transgenic mice will be used to determine whether the regulatory process mediates significant biological functions in the intact organism.
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Structure of functionally important dynamic states of the proteasome
  • 批准号:
    9130874
  • 项目类别:
  • 资助金额:
    $44.28万
  • 财政年份:
    2014
  • 负责人:
    Philip Coffino
  • 依托单位:
Structure of functionally important dynamic states of the proteasome
  • 批准号:
    8925908
  • 项目类别:
  • 资助金额:
    $46.02万
  • 财政年份:
    2014
  • 负责人:
    Philip Coffino
  • 依托单位:
Structure of functionally important dynamic states of the proteasome
Structure of functionally important dynamic states of the proteasome
  • 批准号:
    9339698
  • 项目类别:
  • 资助金额:
    $44.28万
  • 财政年份:
    2014
  • 负责人:
    Philip Coffino
  • 依托单位:
海外基金