Transcription-coupled DNA repair (TCR) pathways prioritise the repair of certain lesions in "active" genes. These pathways help maintain genome integrity throughout the lifetime of multi-cellular organisms, and thus help prevent the occurrence of mutation that might cause cancer or other disorders.
The segregation of bacterial chromosomes is orchestrated by the co-ordinated actions of ParB and condensin [1]. ParB (also called Spo0J) is a site-specific DNA binding protein that binds at and around parS sequences near the origin of replication to form “ParB networks” which define the bacterial centromere [2].
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