使用DNA纤维测定检测人细胞中复制后间隙的积累和修复

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Cited by 3

10:32 min

February 3rd, 2022

10.3791/63448-v

February 3rd, 2022

7.1K views

在这里,我们描述了DNA纤维测定的两种修饰,以研究病变诱导后复制DNA的单链DNA间隙。S1纤维测定能够使用ssDNA特异性S1内切酶检测复制后间隙,而间隙填充测定允许间隙修复的可视化和定量。

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DNA Fiber Assay

Chapters in this video

0:04

Introduction

1:27

S1 Fiber Experimental Setup

3:51

DNA Fiber Preparation by Spreading

4:58

Immunostaining of DNA Fibers

6:45

Image Acquisition and Analysis

8:39

Results: Post-Replicative ssDNA Gaps on Ongoing Forks by S1 Fiber Assay and Post-Replicative Repair by Gap Filling

9:42

Conclusion

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