Natural Computing

, Volume 12, Issue 4, pp 485-497

First online:

Expanding the landscape of biological computation with synthetic multicellular consortia

  • Ricard V. SoléAffiliated withICREA-Complex Systems Lab, Universitat Pompeu FabraInstitut de Biologia Evolutiva, UPF–CSICSanta Fe Institute Email author 
  • , Javier MaciaAffiliated withICREA-Complex Systems Lab, Universitat Pompeu FabraInstitut de Biologia Evolutiva, UPF–CSIC

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Computation is an intrinsic attribute of biological entities. All of them gather and process information and respond in predictable ways to an uncertain external environment. Are these computations similar to those performed by artificial systems? Can a living computer be constructed following standard engineering practices? Despite the similarities between molecular networks associated to information processing and the wiring diagrams used to represent electronic circuits, major differences arise. Such differences are specially relevant while engineering molecular circuits in order to build novel functionalities. Among others, wiring molecular components within a cell becomes a great challenge as soon as the complexity of the circuit becomes larger than simple gates. An alternative approach has been recently introduced based on a non-standard approach to cellular computation. By breaking some standard assumptions of engineering design, it allows the synthesis of multicellular engineered circuits able to perform complex functions and open a novel form of computation. Here we review previous studies dealing with both natural and synthetic forms of computation. We compare different systems spanning many spatial and temporal scales and outline a possible “space” of biological forms of computation. We suggest that a novel approach to build synthetic devices using multicellular consortia allows expanding this space in new directions.


Synthetic biology Cell computing Circuit design Evolution Robustness