Abstract:Transcription activity is rapidly and transiently paused in response to DNA double‐strand breaks (DSBs) to eliminate production of abnormal transcripts and to avoid deleterious collisions between transcription and repair machineries. Little is known about the mechanisms that ensure transcription repression following DNA damage. Here we describe two novel DNA‐damage responsive proteins, regulated by PARP1 activity, that foster DSB‐induced transcription silencing and promote DSB repair. First, using I‐SceI and C… Show more
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