Figs. 1 - 4. Diversity of yeast cell morphology of dimorphic basidiomycetes. Yeast cells of Ustilago maydis ZP 429 (1), Colacogloea peniophorae PYCC 4285 (2), Rhodosporidium toruloides PYCC 5615T (3), and Kondoa malvinella PYCC 4365T X PYCC 5431 (4). Note the small size and curved shape of the yeast cells of Colacogloea peniophorae and the conjugation of sexually compatible yeast cells of Kondoa malvinella. Scale bars = 10 µm.
Fig. 5. Unrooted tree of 52 representatives of basidiomycetes (and 4 ascomycetes) derived from neighbour joining analysis of the D1/D2 domains of the 26S rDNA. The Kimura-two-parameter model was employed. Bootstrap values of 1000 replicates are indicated. Bar = 0.05 expected changes per site. (A) The three main lineages of the Basidiomycota. Note that sequence divergence appears to be higher in the Urediniomycetes. (B) Occurrence of dimorphic taxa in the Basidiomycota.
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