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    • 7. 发明申请
    • CONTROL OF METABOLIC FLUX IN CELL-FREE BIOSYNTHETIC SYSTEMS
    • 无细胞生物体系中代谢通量的控制
    • WO2014197655A1
    • 2014-12-11
    • PCT/US2014041009
    • 2014-06-05
    • GREENLIGHT BIOSCIENCES INCUNIV LELAND STANFORD JUNIOR
    • SWARTZ JAMES R
    • C12N9/00
    • C12Q3/00C12N9/00
    • Methods are provided for controlling metabolic flux rate in a cell-free system comprising a complex set of enzymes, to produce a desired product of a pathway of interest. In the methods of the invention, measurements of metabolic performance parameters are taken by continuous monitoring or intermittent monitoring. Based on the metabolic performance parameters, the system is modified by one or more steps comprising: (i) altering enzyme levels in the cell-free system; (ii) altering feed rate of a substrate that controls redox flux or carbon flux to the cell-free system; (iii) altering 02 addition to the cell-free system; (iv) controlling efficiency of electron transport system by altering leakage across a membrane; wherein enzymes present in the pathway of interest catalyze production of a desired product.
    • 提供了用于控制包含复杂的酶组的无细胞系统中的代谢通过速率的方法,以产生感兴趣的途径的所需产物。 在本发明的方法中,通过连续监测或间歇监测进行代谢性能参数的测量。 基于代谢性能参数,系统通过一个或多个步骤修饰,包括:(i)改变无细胞系统中的酶水平; (ii)将控制氧化还原通量或碳通量的底物的进料速率改变为无细胞系统; (iii)将02添加到无细胞系统中; (iv)通过改变膜上的渗漏来控制电子传输系统的效率; 其中存在于感兴趣途径中的酶催化产生所需产物。