Light-powered CO(2) fixation in a chloroplast mimic with natural and synthetic parts.
Light-powered CO(2) fixation in a chloroplast mimic with natural and synthetic parts.
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DOI:
10.1126/science.aaz6802
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发表时间:
2020-05-08
期刊:
影响因子:
--
通讯作者:
Erb TJ
中科院分区:
文献类型:
--
作者:
Miller TE;Beneyton T;Schwander T;Diehl C;Girault M;McLean R;Chotel T;Claus P;Cortina NS;Baret JC;Erb TJ
Nature integrates complex metabolic and energy converting tasks within compartments such as chloroplasts or mitochondria. Chloroplasts convert light into chemical energy, driving CO2 fixation. Here we use microfluidics to develop a chloroplast-mimic in a bottom-up fashion by encapsulating photosynthetic membranes in cell-sized droplets. These can be energized by light to power different enzymes or enzyme cascades, and analyzed for their catalytic properties in multiplex and real-time. We demonstrate how the micro-droplets can be programmed and controlled by adjusting internal compositions as well as using light as external trigger. We showcase the capability of our platform by integrating the CETCH cycle, a synthetic network for CO2 conversion, and create an artificial photosynthetic system that interfaces the natural and the synthetic biological world.
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