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A comparative ultrastructural study of the ascospores of some Saccharomyces and Kluyveromyces species

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Abstract

Three types of structure of the ascospore wall were found among the haploid Saccharomyces species examined: a warty wall (S. rouxii), a smooth wall with a single electron-light inner layer (S. bailii) and a smooth wall with a double light inner layer (S. montanus, S. florentinus). The latter type also occurred in Kluyveromyces thermotolerans and K. waltii. In K. fragilis spores the wall had a single light inner layer. The taxonomic implications of these findings were discussed.

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Authors and Affiliations

  1. Laboratory of Medical Microbiology, Department of Biology, State University, Oostersingel 59, Groningen, The Netherlands

    N. J. W. Kreger-van Rij

  2. Laboratory of Electron Microscopy, Department of Biology, State University, Oostersingel 59, Groningen, The Netherlands

    N. J. W. Kreger-van Rij

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  1. N. J. W. Kreger-van Rij
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Kreger-van Rij, N.J.W. A comparative ultrastructural study of the ascospores of some Saccharomyces and Kluyveromyces species. Arch. Microbiol. 121, 53–59 (1979). https://doi.org/10.1007/BF00409205

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  • DOI: https://doi.org/10.1007/BF00409205

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