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Photoregulated Sequential Chemical Relay via Artificial Nanochannels.
Mrinal Kanti Kar1, Soumya Srimayee1, Biswa Mohan Prusty1
1Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India.
ACS Applied Bio Materials
|March 24, 2026
Summary
Researchers developed a novel artificial communication system for protocells. This system uses synthetic ion transporters to convert zinc signals into chloride signals between vesicles, mimicking cellular communication.
Area of Science:
- Chemical Biology
- Synthetic Biology
- Protocell Research
Background:
- Developing synthetic ion transporters and communication systems is key for understanding protocell signaling.
- Inter-vesicular signal transduction via synthetic ion transporters is an underexplored area.
Purpose of the Study:
- To create a photoregulated inter-vesicular molecular communication system.
- To mimic cellular signaling using synthetic components and in situ chemical reactions.
Main Methods:
- Utilized photoregulated precatalysts and synthetic ion transporters.
- Employed salicylaldehyde-based imine derivatives to form supramolecular nanochannels for Zn2+ efflux.
- Investigated Zn2+ to Cl- signal transformation using fluorescence and electrophysiology.
Main Results:
- Demonstrated selective Zn2+ efflux from sender vesicles via self-assembled nanochannels.
- Showcased Zn2+ signal conversion to Cl- signal in receiver vesicles.
- Achieved controlled inter-vesicle signal transduction through a photoresponsive catalyst and protransporter system.
Conclusions:
- Successfully established a photoregulated artificial communication system between vesicles.
- Highlighted the potential of synthetic ion transporters in mimicking complex cellular signaling.
- Opened new avenues for protocell development and understanding biological communication.
