Electrophysiology of the Facultative Autotrophic Bacterium Desulfosporosinus orientis.

ABSTRACT: Electroautotrophy is a novel and fascinating microbial metabolism, with tremendous potential for CO₂ storage and valorization into chemicals and materials made thereof. Research attention has been devoted toward the characterization of acetogenic and methanogenic electroautotrophs. In contrast, here we characterize the electrophysiology of a sulfate-reducing bacterium, Desulfosporosinus orientis, harboring the Wood-Ljungdahl pathway and, thus, capable of fixing CO₂ into acetyl-CoA. For most electroautotrophs the mode of electron uptake is still not fully clarified. Our electrochemical experiments at different polarization conditions and Fe⁰ corrosion tests point to a H₂- mediated electron uptake ability of this strain. This observation is

SUBMITTER: Agostino V 

PROVIDER: S-EPMC7248197 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature