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Glycerol Assimilation by a Mutant of Rhodopseudomonas capsulata

¹ Department of Microbiology, Indiana University, Bloomington, Indiana 47401

ABSTRACT

A spontaneous mutant of Rhodopseudomonas capsulata, capable of growth on glycerol, has been isolated. The mutant requires CO₂ or malate to assimilate glycerol photosynthetically. This requirement is not manifested aerobically. Glycerokinase (EC 2.7.1.30) and pyridine nucleotide-independent L--glycerophosphate dehydrogenase (EC 1.1.2.1) activities appear coincidently with the metabolism of glycerol, suggesting that this organism employs these enzymes for glycerol dissimilation.