Abstract
Here, we present a protocol to analyze the inhibition of self-generated extracellular free organic carbon (EFOC) on CO2 fixation by chemoautotrophic bacteria. We detail the construction and operation of membrane reactor, followed by a simulation experiment to verify the inhibition of EFOC on CO2 fixation. We further describe the analysis of main inhibitory components in EFOC and measurement of abundance and transcription level of ribulose bisphosphate carboxylase/oxygenase (RuBisCO) gene to clarify the mechanism of the main inhibition components on CO2 fixation. For complete details on the use and execution of this protocol, please refer to Zhang etal. (2022).1.
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