Peptide nucleic acids as tools for single-molecule sequence detection and manipulation.
Peptide nucleic acids as tools for single-molecule sequence detection and manipulation.
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DOI:
10.1021/nl102986v
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发表时间:
2010-11-10
期刊:
影响因子:
10.8
通讯作者:
Muller SJ
中科院分区:
文献类型:
--
作者:
Zohar H;Hetherington CL;Bustamante C;Muller SJ
The ability to strongly and sequence-specifically attach modifications such as fluorophores and haptens to individual double-stranded (ds) DNA molecules is critical to a variety of single-molecule experiments. We propose using modified peptide nucleic acids (PNAs) for this purpose and implement them in two model single-molecule experiments where individual DNA molecules are manipulated via microfluidic flow and optical tweezers, respectively. We demonstrate that PNAs are versatile and robust sequence-specific tethers.
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