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Logo Principal

The metabolic versatility of purple non-sulfur photosynthetic bacteria allows them to grow in light, darkness and with or without oxygen; all it is due to their genetic regulation mechanisms. Taking advantage of this, our project aims to build two genetic control systems based on R. sphaeroides photosynthesis regulation.

The first one is a light dependent system controlled by two proteins that works as an antirepresor/repressor mechanism, and the second one is an oxygen dependent two-component system. We tested these devices on R. palustris. We built a genetic circuit that activate or repress GFP expression in response to external conditions.

Once we characterize the functionality of these networks, we want to create a Rhodofactory to use our systems to control production butanol using simple signals.