Abstract
Single-molecule studies of protein–DNA interactions continue to yield new information on numerous DNA processing pathways. For example, optical microscopy-based techniques permit the real-time observation of proteins that interact with DNA substrates, which in turn allows direct insight into reaction mechanisms. However, these experiments remain technically challenging and are limited by the paucity of stable chromophores and the difficulty of acquiring statistically significant observations. In this protocol, we describe a novel, high-throughput, nanofabricated experimental platform enabling real-time imaging of hundreds of individual protein–DNA complexes over hour timescales.
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Acknowledgments
We thank the many members of the Greene Laboratory who have worked on developing the DNA curtain experimental platform, in particular, Teresa Fazio for establishing the nanofabrication process. The Greene Laboratory is supported by the Howard Hughes Medical Institute, the National Institutes of Health, the National Science Foundation, the Susan G. Komen Foundation, and the Irma T. Hirschl Trust. IJF is supported by the NIH Fellowship #F32GM80864. We apologize to any colleagues whose work we were not able to cite due to length limitations.
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Finkelstein, I.J., Greene, E.C. (2011). Supported Lipid Bilayers and DNA Curtains for High-Throughput Single-Molecule Studies. In: Tsubouchi, H. (eds) DNA Recombination. Methods in Molecular Biology, vol 745. Humana Press. https://doi.org/10.1007/978-1-61779-129-1_26
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DOI: https://doi.org/10.1007/978-1-61779-129-1_26
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