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Catalytic processing in ruthenium-based polyoxometalate coacervate protocells.


ABSTRACT: The development of programmable microscale materials with cell-like functions, dynamics and collective behaviour is an important milestone in systems chemistry, soft matter bioengineering and synthetic protobiology. Here, polymer/nucleotide coacervate micro-droplets are reconfigured into membrane-bounded polyoxometalate coacervate vesicles (PCVs) in the presence of a bio-inspired Ru-based polyoxometalate catalyst to produce synzyme protocells (Ru4PCVs) with catalase-like activity. We exploit the synthetic protocells for the implementation of multi-compartmentalized cell-like models capable of collective synzyme-mediated buoyancy, parallel catalytic processing in individual horseradish peroxidase-containing Ru4PCVs, and chemical signalling in distributed or encapsulated multi-catalytic protocell communities. Our results highlight a new type of catalytic micro-compartment with multi-functional activity and provide a step towards the development of protocell reaction networks.

SUBMITTER: Gobbo P 

PROVIDER: S-EPMC6941959 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Catalytic processing in ruthenium-based polyoxometalate coacervate protocells.

Gobbo Pierangelo P   Tian Liangfei L   Pavan Kumar B V V S BVVS   Turvey Samuel S   Cattelan Mattia M   Patil Avinash J AJ   Carraro Mauro M   Bonchio Marcella M   Mann Stephen S  

Nature communications 20200103 1


The development of programmable microscale materials with cell-like functions, dynamics and collective behaviour is an important milestone in systems chemistry, soft matter bioengineering and synthetic protobiology. Here, polymer/nucleotide coacervate micro-droplets are reconfigured into membrane-bounded polyoxometalate coacervate vesicles (PCVs) in the presence of a bio-inspired Ru-based polyoxometalate catalyst to produce synzyme protocells (Ru<sub>4</sub>PCVs) with catalase-like activity. We  ...[more]

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