Antonie van Leeuwenhoek

, Volume 26, Issue 1, pp 292–296 | Cite as

The wine yeasts of the Cape

Part IV.—Ascospore formation in the genusBrettanomyces
  • J. P. Van der Walt
  • Amelia E. Van Kerken


Ascospore formation has been observed in three species of the genusBrettanomyces, viz. Brett. bruxellensis. Brett, intermedius andBrett. schanderlii. On media of adequate vitamin content these species form 1–4 hat-shaped ascospores. The spores are liberated rather soon after maturation. Heat treatment of ascogenous cultures indicated that these species are homothallic.

In view of the fact that ascospore formation has been observed in the type species,Brett. bruxellensis, the transfer of the genus to theEndomycetaceae should be considered.


Malachite Green Wine Yeast Pyridoxine Hydrochloride Carbol Fuchsin Ascospore Formation 
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Copyright information

© N.V. Swets en Zeitlinger Boekhandel En Uitgeversmaatschappij 1960

Authors and Affiliations

  • J. P. Van der Walt
    • 1
  • Amelia E. Van Kerken
    • 1
  1. 1.National Chemical Research LaboratorySouth African Council for Scientific and Industrial ResearchPretoriaSouth Africa

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