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Updated: Sep 27, 2026

Using Next Generation Sequencing to Identify Mutations Associated with Repair of a CAS9-induced Double Strand Break Near the CD4 Promoter
Published on: March 31, 2022
Non-homologous end-joining: bacteria join the chromosome breakdance
Thomas E Wilson1, Leana M Topper, Phillip L Palmbos
1Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, 48109-0602, USA. wilsonte@umich.edu
Abstract:
The repair of DNA double-strand breaks by non-homologous end-joining (NHEJ) has long been thought to be restricted to eukaryotes. However, recent papers document the existence of operons encoding functional NHEJ complexes in some bacteria. These findings provide new evolutionary insights into the core biochemistry of this repair pathway, and suggest that one function driving the selection of NHEJ in bacteria, and perhaps eukaryotes, relates to prolonged periods of mitotic exit.
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