ArticleNature communications2024
Chemiosmotic nutrient transport in synthetic cells powered by electrogenic antiport coupled to decarboxylation.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Preparation of Plasma Membrane Vesicles, Lysosomes, Proteoliposomes and Alternative Sample Types for SSM-Based Electrophysiology.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Deep Learning-Based Prediction of Individual CellBiosensors · 2025Article
- Meeting Proceedings from 4th Minimal Cell Workshop: Exploring JCVI Minimal Cell Fundamental Insights and Integrative Applications.ACS synthetic biology · 2025Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cellular homeostasis depends on the supply of metabolic energy in the form of ATP and electrochemical ion gradients. The construction of synthetic cells requires a constant supply of energy to drive membrane transport and metabolism. Here, we provide synthetic cells with long-lasting metabolic energy in the form of an electrochemical proton gradient. Leveraging the L-malate decarboxylation pathway we generate a stable proton gradient and electrical potential in lipid vesicles by electrogenic L-malate/L-lactate exchange coupled to L-malate decarboxylation. By co-reconstitution with the transporters GltP and LacY, the synthetic cells maintain accumulation of L-glutamate and lactose over periods of hours, mimicking nutrient feeding in living cells. We couple the accumulation of lactose to a metabolic network for the generation of intermediates of the glycolytic and pentose phosphate pathways. This study underscores the potential of harnessing a proton motive force via a simple metabolic network, paving the way for the development of more complex synthetic systems.
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