STRUCTURE OF THE MICROBODY CRYSTALLOID IN METHANOL GROWN YEASTS AS A COMPOSITE CRYSTAL OF CATALASE AND ALCOHOL OXIDASE

@inproceedings{Osumi1981STRUCTUREOT,
  title={STRUCTURE OF THE MICROBODY CRYSTALLOID IN METHANOL GROWN YEASTS AS A COMPOSITE CRYSTAL OF CATALASE AND ALCOHOL OXIDASE},
  author={Masako Osumi and Mamiko Sato and Misuzu Nagano},
  year={1981}
}
1 Citations
Visualization of yeast cells by electron microscopy.
  • M. Osumi
  • Biology
    Journal of electron microscopy
  • 2012
TLDR
The dynamic process of cell wall formation was clarified through the study of the protoplasts, and it was found that β-1,3-glucan, β,1,6- glucan and α-1+, as well as α-galactomannan, are ingredients of the cell wall.

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TLDR
Nine strains of methanol-utilizing yeasts belonging to the genera Candida, Hansenula, Kloeckera, Pichia, and Torulopsis were examined with respect to the interrelationship between their catalase content and ultrastructure and several morphological differences were observed.
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TLDR
Alcohol oxidase (alcohol: oxygen oxidoreductase) of a thermophilic methanol-utilizing yeast, Hansenula polymorpha DL-1, was isolated in crystalline form and was more stable to heat than was the enzyme of Kloeckera sp.polymorpha, compatible with the difference in growth temperatures for both yeasts.
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TLDR
Though the number of microbodies did not change during prolonged cultivation, their size became larger with the passage of cultivation time, and the activities of catalase and alcohol oxidase were confirmed in the particulate fractions throughout the cultivation period.
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TLDR
Catalase from bakers' yeast has been purified to homogeneity in the analytical ultracentrifuge and in gel electrophoresis and its catalytic and spectroscopic properties were similar to those of catalases from other species.
Microbody of Methanol-Grown Yeasts
TLDR
Localization of a flavin-dependent alcohol oxidase as well as characteristic microbody enzymes (catalase and d-amino acid oxidase) were ascertained in the isolated microbodies, whereas formaldehyde and formate dehydrogenases were detected in the cytoplasmic region.
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Intracellular structures were observed in Candida boidinii grown in a medium containing methanol as the sole source of carbon and energy; these structures were absent in the same organism grown in
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pH 7.3. Catalase activity was assayed by measuring a change of absorbance at 240nm based on the decompo sition of hydrogen peroxide according to the method of Chance and Maehly.8) The reaction
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