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Biochemistry
双DNA标尺研究单核苷酸分辨率的核糖体易位机制
双DNA标尺研究单核苷酸分辨率的核糖体易位机制
JoVE Journal
Biochemistry
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JoVE Journal Biochemistry
Dual DNA Rulers to Study the Mechanism of Ribosome Translocation with Single-Nucleotide Resolution

双DNA标尺研究单核苷酸分辨率的核糖体易位机制

Full Text
6,629 Views
10:27 min
July 8, 2019

DOI: 10.3791/59918-v

Heng Yin1, Shoujun Xu1, Yuhong Wang2

1Department of Chemistry,University of Houston, 2Department of Biology and Biochemistry,University of Houston

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Please note that some of the translations on this page are AI generated. Click here for the English version.

开发双DNA标尺测定,以确定核糖体易位过程中的mRNA位置,该位置依赖于形成DNA-mRNA复面的解离力。具有单核苷酸分辨率和达到mRNA两端的能力,可为核糖体易位提供机械见解,并探测其他核酸位移。

双DNA标尺测定可以为核糖体易位提供机械见解,并探寻其他核酸位移。我们的双DNA标尺测定是目前唯一能够客观地探测核糖体复合物中mRNA入口和出口两侧的单核苷酸分辨率的方法。类似的方法也用于测量化疗药物的DNA结合强度和选择性。

该方法的可视化演示是我们直观地展示我们技术优势并帮助其他研究人员进一步开发到更多应用中的好机会。首先,在中心钻一个尺寸为四毫米、三毫米、两毫米的立方体,用苯乙烯带制作塑料样品井。然后,使用环氧树脂,将一块长约五毫米的生物素涂层玻璃粘在底部表面。

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