Article
Broken replication forks trigger heritable DNA breaks in the terminus of a circular chromosome.
PLoS genetics - 1 Mar 2018
Sinha Anurag Kumar, Possoz Christophe, Durand Adeline, Desfontaines Jean-Michel, Barre François-Xavier, Leach David R F, Michel Bénédicte
Abstract excerpt
It was recently reported that the recBC mutants of Escherichia coli, deficient for DNA double-strand break (DSB) repair, have a decreased copy number of their terminus region. We previously showed that this deficit resulted from DNA loss after post-replicative breakage of one of the two sister-chromosome termini at cell division. A viable cell and a dead cell devoid of terminus region were thus produced and,...
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