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Engineering of Methane Metabolism in Pichia Pastoris Through Methane Monooxygenase Expression

Fleury, Samantha T. ; Neff, Lily S. ; Galazka, Jonathan M.

Ames Research Center 2017

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  • Título:
    Engineering of Methane Metabolism in Pichia Pastoris Through Methane Monooxygenase Expression
  • Autor: Fleury, Samantha T. ; Neff, Lily S. ; Galazka, Jonathan M.
  • Assuntos: Inorganic, Organic And Physical Chemistry ; Life Sciences (General)
  • Notas: ARC
    Ames Research Center
    Moffett Field, CA
    ARC-E-DAA-TN47308
  • Descrição: Exploration of the solar system is constrained by the cost of moving mass off Earth. Producing materials in situ will reduce the mass that must be delivered from earth. CO2 is abundant on Mars and manned spacecraft. On the ISS, NASA reacts excess CO2 with H2 to generate CH4 and H2O using the Sabatier System. The resulting water is recovered into the ISS, but the methane is vented to space. Thus, there is a capability need for systems that convert methane into valuable materials. Methanotrophic bacteria consume methane but these are poor synthetic biology platforms. Thus, there is a knowledge gap in utilizing methane in a robust and flexible synthetic biology platform. The yeast Pichia pastoris is a refined microbial factory that is used widely by industry because it efficiently secretes products. Pichia could produce a variety of useful products in space. Pichia does not consume methane but robustly consumes methanol, which is one enzymatic step removed from methane. Our goal is to engineer Pichia to consume methane thereby creating a powerful methane-consuming microbial factory.
  • Editor: Ames Research Center
  • Data de criação/publicação: 2017
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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