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Updated: Oct 1, 2026

Real-time Observation of the DNA Strand Exchange Reaction Mediated by Rad51
Published on: February 13, 2019
The plant Rad50-Mre11 protein complex
S Daoudal-Cotterell1, M E Gallego, C I White
1CNRS UMR6547-BIOMOVE, Université Blaise Pascal, 24, Avenue des Landais, 63177 Cedex, Aubiere, France.
Abstract:
The Rad50-Mre11-Xrs2/Nbs1 protein complex plays critical roles in cellular processes involving DNA ends. This complex is implicated in DNA recombination and replication, meiosis, telomere maintenance and cellular DNA damage responses. The Rad50 and Mre11 proteins are essential for viability in animals, although not in yeast. We have prepared antibodies to the Rad50 protein of the model plant Arabidopsis thaliana which recognize a 175 kDa protein in wild-type Arabidopsis protein extracts. Furthermore, we report here demonstration of the existence of the Rad50-Mre11 complex by co-immunoprecipitation of the Rad50 and Mre11 proteins from the plant cell extracts.
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