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Derepression and partial insensitivity to carbon catabolite repression of the methanol dissimilating enzymes inHansenula polymorpha

  • L. Eggeling
  • H. Sahm
Industrial Microbiology

Summary

The regulation of the synthesis of alcohol oxidase, catalase, formaldehyde dehydrogenase, and formate dehydrogenase was investigated in the methanol-utilizing yeastHansenula polymorpha during growth on different carbon and energy sources. When cells were grown on glucose, the enzymes of the dissimilatory methanol metabolism were not detected during the exponential phase of growth, but were formed in the late stationary phase without addition of methanol. Moreover, the enzymes were synthesized during growth on sorbitol, glycerol, ribose, and xylose. It was shown that the carbon catabolite insensitivity of the synthesis of methanol-specific enzymes is not limited to substrates that are slowly metabolized.

Keywords

Enzyme Methanol Formaldehyde Glycerol Stationary Phase 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1978

Authors and Affiliations

  • L. Eggeling
    • 1
  • H. Sahm
    • 1
  1. 1.Institut für Biotechnologie der Kernforschungsanlage Jülich GmbHJülichGermany

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