An overview of the higher level classification of Pucciniomycotina based on combined analyses of nuclear large and small subunit rDNA sequences

Mary Catherine Aime, Patrick Brandon Matheny, Daniel A. Henk, Elizabeth M. Frieders, R. Henrik Nilsson, Meike Piepenbring, David J. McLaughlin, Les J. Szabo, Dominik Begerow, Jose Paulo Sampaio, Robert Bauer, Michael Weiss, Franz Oberwinkler, David S. Hibbett

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125 Citations (Scopus)

Abstract

In this study we provide a phylogenetically based introduction to the classes and orders of Pucciniomycotina (=Urediniomycetes), one of three subphyla of Basidiomycota. More than 8000 species of Pucciniomycotina have been described including putative saprotrophs and parasites of plants, animals and fungi. The overwhelming majority of these (∼90%) belong to a single order of obligate plant pathogens, the Pucciniales (=Uredinales), or rust fungi. We have assembled a dataset of previously published and newly generated sequence data from two nuclear rDNA genes (large subunit and small subunit) including exemplars from all known major groups in order to test hypotheses about evolutionary relationships among the Pucciniomycotina. The utility of combining nuc-lsu sequences spanning the entire D1-D3 region with complete nuc-ssu sequences for resolution and support of nodes is discussed. Our study confirms Pucciniomycotina as a monophyletic group of Basidiomycota. In total our results support eight major clades ranked as classes (Agaricostilbomycetes, Atractiellomycetes, Classiculomycetes, Cryptomycocolacomycetes, Cystobasidiomycetes, Microbotryomycetes, Mixiomycetes and Pucciniomycetes) and 18 orders.
Original languageEnglish
Pages (from-to)896-905
Number of pages10
JournalMycologia
Volume98
Issue number6
DOIs
Publication statusPublished - 1 Jan 2006

Keywords

  • rDNA systematics
  • Urediniomycetes
  • Basidiomycetes
  • Molecular phylogenetics
  • Parasitic fungi

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    Aime, M. C., Matheny, P. B., Henk, D. A., Frieders, E. M., Nilsson, R. H., Piepenbring, M., ... Hibbett, D. S. (2006). An overview of the higher level classification of Pucciniomycotina based on combined analyses of nuclear large and small subunit rDNA sequences. Mycologia, 98(6), 896-905. https://doi.org/10.3852/mycologia.98.6.896