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Updated: Feb 21, 2026

Detection of Homologous Recombination Intermediates via Proximity Ligation and Quantitative PCR in Saccharomyces cerevisiae
Published on: September 11, 2022
One-sided invasion events in homologous recombination at double-strand breaks
1Blood Transfusion Services, Canadian Red Cross Society, Montreal, Que.
Abstract:
Two classes of homologous recombination mechanism for repair of double-strand breaks (DSBs) have been described in eukaryotes so far. One is conservative and has been explained by the double-strand break repair model (Szostak et al., 1983), whereas the other one is non-conservative and has been explained by the single-strand annealing model (Lin et al., 1984). Here, we will review data supporting the existence of another homologous recombination mechanism for double-strand break repair. We will present the one-sided invasion model that we have proposed to explain this mechanism and discuss its potential implication in various homologous recombination events.
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