High-throughput single-molecule studies of protein-DNA interactions.
High-throughput single-molecule studies of protein-DNA interactions.
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DOI:
10.1016/j.febslet.2014.05.021
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发表时间:
2014-10-01
期刊:
影响因子:
3.5
通讯作者:
Finkelstein IJ
中科院分区:
文献类型:
--
作者:
Robison AD;Finkelstein IJ
Fluorescence and force-based single-molecule studies of protein-nucleic acid interactions continue to shed critical insights into many aspects of DNA and RNA processing. As single-molecule assays are inherently low-throughput, obtaining statistically relevant datasets remains a major challenge. Additionally, most fluorescence-based single-molecule particle-tracking assays are limited to observing fluorescent proteins that are in the low-nanomolar range, as spurious background signals predominate at higher fluorophore concentrations. These technical limitations have traditionally limited the types of questions that could be addressed via single-molecule methods. In this review, we describe new approaches for high-throughput and high-concentration single-molecule biochemical studies. We conclude with a discussion of outstanding challenges for the single-molecule biologist and how these challenges can be tackled to further approach the biochemical complexity of the cell.
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