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Related Experiment Video

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The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes

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Published on: April 10, 2015

Ruthenium photoredox-triggered phospholipid membrane formation.

M D Hardy¹, D Konetski², C N Bowman²

¹Department of Chemistry and Biochemistry, University of California, San Diego, CA 92093, USA. ndevaraj@ucsd.edu.

Organic & Biomolecular Chemistry

|March 1, 2016

Summary

Researchers developed a light-activated method to synthesize biomimetic phospholipids and assemble cell membranes. This photoredox triggering of copper-catalyzed reactions enables precise control over synthetic biology construction.

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Spontaneous Formation and Rearrangement of Artificial Lipid Nanotube Networks as a Bottom-Up Model for Endoplasmic Reticulum

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Published on: January 22, 2019

Area of Science:

Synthetic biology
Biomaterials science
Chemical biology

Background:

Advancements in biomimetic cellular systems require tools for selective triggering of synthetic biology methodologies.
Combining diverse methods for complex construct creation necessitates precise control over individual reactions.

Purpose of the Study:

To demonstrate ruthenium tris-bipyridine mediated photoredox triggering of the copper-catalyzed alkyne azide cycloaddition (CuAAC) reaction.
To synthesize biomimetic phospholipids in situ and achieve subsequent membrane assembly using light-activated chemistry.

Main Methods:

Utilized ruthenium tris-bipyridine as a photoredox catalyst.
Employed the copper-catalyzed alkyne azide cycloaddition (CuAAC) reaction for phospholipid synthesis.
Investigated a ruthenium-copper electron transport chain for triggering phospholipid assembly.

Main Results:

Successfully synthesized biomimetic phospholipids in situ via light-induced CuAAC.
Demonstrated the ability to assemble cellular membranes from these synthesized phospholipids.
Established a photoredox system for controlling phospholipid synthesis and membrane formation.

Conclusions:

Ruthenium-mediated photoredox triggering offers a novel method for controlling CuAAC reactions in synthetic biology.
This approach enables the spatiotemporal synthesis of biomimetic phospholipids and membrane assembly.
Opens avenues for advanced spatiotemporal control in the construction of complex synthetic biological systems.