4.7 Article

A triplex-forming linear probe for sequence-specific detection of duplex DNA with high sensitivity and affinity

Journal

CHEMICAL COMMUNICATIONS
Volume 56, Issue 40, Pages 5358-5361

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc01865a

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Funding

  1. Japan Science and Technology Agency under Adaptable and Seamless Technology Transfer Program through Target-driven RD (A-STEP)
  2. AMED [19am0401007]
  3. JSPS KAKENHI [JP18H03933, JP16H05925, JP17K14514]
  4. Asahi Glass Foundation

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A triplex-forming oligonucleotide (TFO) linear probe containing perylene derivatives was synthesized. The TFO linear probe formed a remarkably stable triplex with a target DNA duplex, resulting in the light-up of fluorescence emission. The sensitivity was extremely high even at pH 7. Detection of PCR-amplified target DNA was demonstrated.

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