Mixed substrate-metabolism in an obligate methanol utilizer: Chemostat studies

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Abstract
In Pseudomonas C, an obligate RMP‐methylotroph, externally added formic acid and multi‐carbon intermediates are co‐metabolized in the obligate presence of methanol. Cell yield and methanol‐carbon conversion to cell mass are optimal in a chemostat culture growing on a mixture of energy sources and methanol as the sole limiting carbon source. Growth on methanol as the sole, obligate energy source and an additional carbon source (e.g. pyruvate) is less efficient. Under these energy limited conditions, the cyclic oxidation pathway is predominantly operated.