Intracellular Imaging with Genetically Encoded RNA-based Molecular Sensors

Area of Science:

• Molecular Biology
• Biotechnology
• Cell Biology

Background:

• Genetically encodable biosensors are crucial for real-time monitoring of intracellular molecules in living systems.
• Fluorescent protein-based sensors are traditionally dominant but have limitations.
• Genetically encoded RNA-based molecular sensors (GERMS) present an emerging alternative for intracellular analysis.

Purpose of the Study:

• To review the design principles of GERMS.
• To highlight recent advances in GERMS applications for intracellular imaging.
• To discuss the potential of GERMS in cell biology and biotechnology.

Main Methods:

• Review of literature on GERMS design and applications.
• Analysis of RNA recognition modules, transducer modules, and reporting systems.
• Discussion of recent advancements in intracellular imaging using GERMS.

Main Results:

• GERMS utilize modular designs for detecting a wide range of analytes.
• Various RNA recognition, transducer, and reporting modules enable versatile sensor construction.
• Recent applications demonstrate the utility of GERMS in intracellular imaging.

Conclusions:

• GERMS offer a promising, modular approach for intracellular molecular detection.
• Further improvements in biostability, sensitivity, and robustness will enhance GERMS utility.
• GERMS hold significant potential for broad applications in cell biology and biotechnology.