May 1, 1976

Development of Microbodies in the yeast Kloeckera growing on methanol

Journal of Bacteriology
A TanakaM Osumi

Abstract

A number of microbodies appear regularly in methanol-grown yeast cells, but rarely in ethanol- or glucose-grown cells. When one of representative methanol-utilizing yeasts, Kloeckera sp.no. 2201 (also known as Candida bodinii), was cultured on glucose and then transferred into a methanol medium, microbodies of small size could be observed in 2-h old cells. The number of microbodies per sectioned cell reached five to six after 4 h of cultivation. Though the number of microbodies did not change during prolonged cultivation, their size became larger with the passage of cultivation time. The activities of catalase and alcohol oxidase were confirmed in the particulate fractions throughout the cultivation period, whereas the activities of formaldehyde dehydrogenase and formate dehydrogenase were not detected in the particles. The activity of isocitrate lyase was detected in the particulate fractions only at the early growth phase.

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Mentioned in this Paper

Ethanol
D-Amino Acid Dehydrogenase
Ethanol Measurement
Alcohol Oxidoreductases
Microbody
Oxo-Acid-Lyases
Sodium Methoxide
Formaldehyde dehydrogenase
Yeasts
Glucose, (beta-D)-Isomer

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