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Related Experiment Videos

"Second-generation" fluorogenic RNA-based sensors.

Aruni P K K Karunanayake Mudiyanselage1, Rigumula Wu1, Mark A Leon-Duque1

  • 1Department of Chemistry, University of Massachusetts, Amherst, MA 01003, USA.

Methods (San Diego, Calif.)
|January 21, 2019
PubMed
Summary

Fluorogenic RNA sensors, which activate fluorescence upon binding targets, are advancing rapidly. This review details their design, applications, and future potential for cellular imaging and biomedicine.

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Construction and Application of Nucleic Acids-Based Biomolecular Condensates.

Accounts of chemical research·2026

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Biotechnology

Background:

  • Fluorogenic aptamers, nucleic acid-based modules, activate fluorescence when binding specific fluorophores.
  • These modules have become essential reporters for biosensor development and intracellular imaging.
  • Significant advancements have been made in fluorogenic RNA sensor technology over the last decade.

Purpose of the Study:

  • To review the design principles, applications, and limitations of first-generation fluorogenic RNA-based sensors.
  • To explore strategies for developing next-generation biosensors with enhanced sensitivity, selectivity, and robustness.
  • To provide a standard protocol for designing, characterizing, and applying these sensors using a genetically encoded catalytic hairpin assembly strategy.

Main Methods:

Keywords:
BiosensorsFluorogenic dyeLight-up aptamerLive-cell imagingRNA

Related Experiment Videos

  • Review of existing literature on fluorogenic RNA sensor design and applications.
  • Discussion of strategies for improving sensor performance, including sensitivity, selectivity, and eukaryotic cell compatibility.
  • Detailed protocol for a genetically encoded catalytic hairpin assembly strategy for in vitro and cellular applications.

Main Results:

  • Summarized design principles and applications of current fluorogenic RNA sensors.
  • Identified challenges and proposed strategies for next-generation biosensor development.
  • Presented a practical protocol for utilizing fluorogenic RNA sensors in detection and imaging.

Conclusions:

  • Next-generation fluorogenic RNA-based devices hold significant potential for cell biology and biomedicine.
  • Integration of RNA machineries, nanotechnology, and evolution approaches will drive future advancements.
  • These improved biosensors can be widely applied in diverse biological and medical fields.