Effect of Single-Strand Break on Branch Migration and Folding Dynamics of Holliday Junctions
نویسندگان
چکیده
منابع مشابه
DNA Recombination HOLLIDAY JUNCTIONS DYNAMICS AND BRANCH MIGRATION*□S
Holliday junctions are critical intermediates for homologous, site-specific recombination, DNA repair, and replication. A wealth of structural information is available for immobile four-way junctions, but the controversy on the mechanism of branch migration of Holliday junctions remains unsolved. Two models for the mechanism of branch migration were suggested. According to the early model of Al...
متن کاملDNA recombination: holliday junctions dynamics and branch migration.
Holliday junctions are critical intermediates for homologous, site-specific recombination, DNA repair, and replication. A wealth of structural information is available for immobile four-way junctions, but the controversy on the mechanism of branch migration of Holliday junctions remains unsolved. Two models for the mechanism of branch migration were suggested. According to the early model of Al...
متن کاملHolliday junction dynamics and branch migration: single-molecule analysis.
The Holliday junction (HJ) is a central intermediate in various genetic processes including homologous and site-specific recombination and DNA replication. Branch migration allows the exchange between homologous DNA regions, but the detailed mechanism for this key step of DNA recombination is unidentified. Here, we report direct real-time detection of branch migration in individual molecules. U...
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چکیده ندارد.
15 صفحه اولDirect observation of RuvAB-catalyzed branch migration of single Holliday junctions.
Holliday junctions form during DNA repair and homologous recombination processes. These processes entail branch migration, whereby the length of two arms of a cruciform increases at the expense of the two others. Branch migration is carried out in prokaryotic cells by the RuvAB motor complex. We study RuvAB-catalyzed branch migration by following the motion of a small paramagnetic bead tethered...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2010
ISSN: 0006-3495
DOI: 10.1016/j.bpj.2010.07.011