Induction and rejoining of radiation-induced DNA single-strand breaks: “tail moment” as a function of position in the cell cycle

1993 ◽  
Vol 294 (3) ◽  
pp. 275-283 ◽  
Author(s):  
Peggy L. Olive ◽  
Judit P. Banánth
2020 ◽  
Author(s):  
Marlies E. Oomen ◽  
Adam K. Hedger ◽  
Jonathan K. Watts ◽  
Job Dekker

Abstract Current chromosome conformation capture techniques are not able to distinguish sister chromatids. Here we describe the protocol of SisterC1: a novel Hi-C technique that leverages BrdU incorporation and UV/Hoechst-induced single strand breaks to identify interactions along and between sister chromatids. By synchronizing cells, BrdU is incorporated only on the newly replicated strand, which distinguishes the two sister chromatids2,3. This is followed by Hi-C4 of cells that can be arrested in different stages of the cell cycle, e.g. in mitosis. Before final amplification of the Hi-C library, strands containing BrdU are specifically depleted by UV/Hoechst treatment. SisterC libraries are then sequenced using 50bp paired end reads, followed by mapping using standard Hi-C processing tools. Interactions can then be assigned as inter- or intra-sister interactions based on read orientation.


1973 ◽  
Vol 55 (2) ◽  
pp. 324 ◽  
Author(s):  
Ahmed El-Metainy ◽  
Shigemitsu Tano ◽  
Keiji Yano ◽  
Hikoyuki Yamaguchi

Author(s):  
Ahmed El-Metainy ◽  
Masamichi Takagi ◽  
Shigemetsu Tano ◽  
Hikoyuki Yamaguchi

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