Antonie van Leeuwenhoek

, Volume 69, Issue 4, pp 337–355 | Cite as

The genus Malassezia with description of four new species

  • E. Guého
  • G. Midgley
  • J. Guillot
Research Article


The genus Malassezia has been revised using morphology, ultrastructure, physiology and molecular biology. As a result the genus has been enlarged to include seven species comprising the three former taxa M. furfur, M. pachydermatis and M. sympodialis, and four new taxa M. globosa, M. obtusa, M. restricta and M. slooffiae. The descriptions of all the species include morphology of the colonies and of the cells, together with ultrastructural details. The physiological properties studied were the poesence of catalase, the tolerance of 37°C and the ability to utilize certain concentrations of Tween 20, 40, 60 and 80 as a source of lipid in a simple medium. Information is given for each of the taxa on mole % GC and also the rRNA sequence from the comparison previously described for the genus.

Key words

Malassezia lipophilic yeasts taxonomy morphology physiology ultrastructure 


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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • E. Guého
    • 1
  • G. Midgley
    • 2
  • J. Guillot
    • 3
  1. 1.Unité de MycologieInstitut PasteurParis Cedex 15France
  2. 2.Department of Medical Mycology, St. John's Institute of DermatologySt. Thomas' HospitalLondonUK
  3. 3.Unité de Parasitologie-MycologieÉcole Nationale Vétérinaire d'AlfortMaisons-Alfort CedexFrance

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