Boolean Logic-responsive FRET Biosensors via Genetically Encoded Autonomous Compilation
Forster resonance energy transfer (FRET) is commonly used to monitor protein-protein interactions in situ. The high spatiotemporal resolution and facile implementation inside complex molecular environments have spearheaded FRET's widespread adoption in biosensing. Despite these advantages, current FRET biosensors are largely restricted to the detection of the presence/absence of individual inputs…
Forster resonance energy transfer (FRET) is a widely-used technique for observing protein-protein interactions directly. Its high spatial and temporal resolution, along with its easy integration into intricate molecular settings, has led to the widespread use of FRET in biosensing applications. However, current FRET biosensors are limited in their ability to detect multiple simultaneous inputs within the complex biological environment.
This limitation hampers the potential for monitoring heterogeneous biological activities in real-time.
In a groundbreaking study, researchers have developed a versatile strategy to engineer protein-based FRET biosensors that can recognize multiple inputs based on Boolean logic principles (YES/OR/AND operations). These innovative biosensors significantly enhance the input capacity for detecting protein-protein interactions, while also providing a user-programmable platform for monitoring various biological activities in both in vitro and living cells.
This novel approach unlocks new possibilities for understanding complex biological systems and opens doors for advanced diagnostic and therapeutic strategies.
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