Pink pigmented facultative methylotrophs (PPFM)
Growth on methanol and multicarbon substrates
Enzyme activity and growth rate
Springer Online Journal Archives 1860-2000
Abstract The synthesis of methanol dehydrogenase, formaldehyde dehydrogenase, and formate dehydrogenase by pink pigmented facultative methylotrophs (PPFM) has been studied during growth on C1 and multicarbon substrates. In batch cultures, the methanol dehydrogenase activities were higher during slow growth on non-C1-compounds than during fast growth on methanol. Derepression of this enzyme also occurred at slow growth in methanol-limited chemostat culture. Formaldehyde dehydrogenase and formate dehydrogenase remained largely repressed during growth on multicarbon substrates.
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