Abstract
The simple-septate basidiomycetes comprise more than 8,000 species that show a high morphological and ecological heterogeneity. To gain insight in the phylogenetic relationships within this group, we compared several ultrastructural features such as septal pore apparatus, form, and behavior of the spindle pole bodies, types of host–parasite interaction, presence or absence of colacosomes, symplechosomes, atractosomes, and cystosomes as well as nuclear rDNA sequences coding for small- and large-subunit rRNA. Based on our integrated analysis, we propose a new classification system for the simple-septate basidiomycetes with the subphylum Pucciniomycotina and the classes Agaricostilbomycetes, Atractiellomycetes, Classiculomycetes, Cryptomycocolacomycetes, Cystobasidiomycetes, Microbotryomycetes, Mixiomycetes, and Pucciniomycetes. We also propose the pucciniomycotinous taxa Cystobasidiales, Erythrobasidiales, Helicobasidiales, Mixiales, Naohideales, Pachnocybales, Spiculogloeales, and Kondoaceae and the new subphyla Agaricomycotina (equivalent to the current Hymenomycetes) and Ustilaginomycotina (equivalent to the current Ustilaginomycetes).
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Acknowledgements
We thank Magdalena Wagner-Eha and Jacqueline Götze for technical assistance, Robert Bandoni, Günter Deml, Ewald Langer, Bernhard Müller, Karl-Heinz Rexer, Junta Sugiyama, and Kálmán Vánky for providing specimens, and Roland Kirschner and Stefanie Köber for providing DNA sequences. We gratefully acknowledge the Deutsche Forschungsgemeinschaft (DFG, German Research Association) that has supported research on heterobasidiomycetes in Tübingen over the past 30 years in many projects.
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Bauer, R., Begerow, D., Sampaio, J.P. et al. The simple-septate basidiomycetes: a synopsis. Mycol Progress 5, 41–66 (2006). https://doi.org/10.1007/s11557-006-0502-0
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DOI: https://doi.org/10.1007/s11557-006-0502-0
Taxonomical Novelties
- Agaricomycotina
- Agaricostilbomycetes
- Atractiellomycetes
- Classiculomycetes
- Cryptomycocolacomycetes
- Cystobasidiales
- Cystobasidiomycetes
- Erythrobasidiales
- Helicobasidiales
- Kondoaceae
- Microbotryomycetes
- Mixiales
- Mixiomycetes
- Naohideales
- Pachnocybales
- Pucciniomycetes
- Pucciniomycotina
- Spiculogloeales
- Ustilaginomycotina