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Ingénierie écologique microbienne pour la production de biohydrogène

Abstract : A wide number of microbial species issued from different environments are able to produce biohydrogen by dark fermentation. More particularly, microbial mixed cultures are interesting since they present a broad metabolic flexibility and allow considering complex organic biomass as potential resources for hydrogen production. However, microbial diversity leads to process instability because of the presence of multiple bacterial metabolisms that can lead to direct H2 uptake. To date, only few controllers, essentially physicochemical, are available to control bioprocesses producing bioH2. Biotic control of microbial ecosystems is proposed here as a new controller of fermentative microbial ecosystems. For this, biotic control was investigated through the identification of keystone species within metabolic networks and their use as biological trigger of the whole microbial fermentative metabolism, in order to improve stability and conversion efficiencies of organic substrates to biohydrogen.
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https://hal.inrae.fr/hal-02641895
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Submitted on : Thursday, May 28, 2020 - 5:51:51 PM
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  • HAL Id : hal-02641895, version 1
  • PRODINRA : 195483

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Eric Trably, M.T. Giudici-Orticoni, S. Benomar, Eric Latrille, Isabelle Meynial-Salles, et al.. Ingénierie écologique microbienne pour la production de biohydrogène. Innovations Agronomiques, INRAE, 2013, 26, pp.67-82. ⟨hal-02641895⟩

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