Revisiting the central dogma one molecule at a time.

Revisiting the central dogma one molecule at a time.
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DOI:
10.1016/j.cell.2011.01.033
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发表时间:
2011-02-18
期刊:
影响因子:
64.5
通讯作者:
Mejia YX
Mejia YX
中科院分区:
生物学1区
文献类型:
--
作者:
Bustamante C;Cheng W;Mejia YX

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遗传信息的忠实传递和及时表达依赖于专门的分子机器,其中许多机器起着核酸转位酶的作用。在过去的十年中,具有nm和ä分辨率的单分子荧光检测和操纵技术的出现,以及它们在核酸转位酶研究中的应用,正在为这些机器的内部工作、它们运动部件的动力学和协调、它们的热力学效率以及它们的瞬时中间体的性质描绘出越来越清晰的图景。在这里,我们概述了应用单分子方法研究中央教条的主要机制所取得的主要结果。
The faithful relay and timely expression of genetic information depend on specialized molecular machines, many of which function as nucleic acid translocases. The emergence over the last decade of single-molecule fluorescence detection and manipulation techniques with nm and Å resolution, and their application to the study of nucleic acid translocases are painting an increasingly sharp picture of the inner workings of these machines, the dynamics and coordination of their moving parts, their thermodynamic efficiency, and the nature of their transient intermediates. Here we present an overview of the main results arrived at by the application of single-molecule methods to the study of the main machines of the central dogma.
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