A comparative ultrastructural study of the ascospores of some Saccharomyces and Kluyveromyces species |
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| Authors: | N J W Kreger-van Rij |
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| Institution: | (1) Laboratory of Medical Microbiology, Department of Biology, State University, Oostersingel 59, Groningen, The Netherlands;(2) Laboratory of Electron Microscopy, Department of Biology, State University, Oostersingel 59, Groningen, The Netherlands |
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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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| Keywords: | Saccharomyces Kluyveromyces Ultrastructure Ascospore wall Taxonomy |
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