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Co-culture of bacterial cells engineered with quorum-sensing and self-lysis circuits allows coupled oscillatory dynamics and stable states, opening the way to engineered microbial ecosystems with targeted dynamics and extending gene circuits to the ecosystem level.
Feedbacks between biological and economic systems can lead to persistent poverty traps for the world’s rural poor. A combination of economic, ecological and epidemiological modelling helps unravel how these feedbacks and traps occur.