A concise survey of the emerging PD-loop technology is presented, which outlines several exemplary methods with robust DNA diagnostic potential: duplex DNA capture, topological DNA labeling, nondenaturing DNA sequencing and hybridization of molecular beacons to double-stranded DNA. Advantages of these new PNA-based assays over existing techniques for sequence-specific detection and manipulation of DNA duplexes are discussed. Future prospects for the further development of PD-loop technology are highlighted.
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Vadim V. Demidov (2001) studied this question.
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