Bulleromyces genus novum (Tremellales), a teleomorph for Bullera alba,and the occurrence of mating in Bullera variabilis |
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| Authors: | Teun Boekhout Alvaro Fonseca Wilma H Batenburg-van der Vegte |
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| Institution: | (1) Yeast Division, Centraalbureau voor Schimmelcultures, Julianalaan 67, 2628 BC Delft, The Netherlands;(2) Laboratory of Microbiology, Gulbenkian Institute of Science, 2781 Oeiras Codex, Portugal;(3) Kluyver Laboratory for Biotechnology, Department of Microbiology and Enzymology, Delft University of Technology, Julianalaan 67, 2628 BC Delft, The Netherlands |
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| Abstract: | Mating is observed in Bullera alba and B. variabilis, resulting in the formation of dikaryotic mycelium with clamps, haustorial branches, and lateral and terminal dikaryotic, clavate, lageniform or subglobose cells. These cells develop in B. alba into tremellaceous phragmobasidia. Karyogamy has been observed in young non-divided basidia. Germination of the phragmobasidia occurred by acropetal chains of yeast cells, ballistospores or hyphae. Septal pores are dolipores with parenthesomes made up of U-shaped vesicles (Tremellales type). For the teleomorph of B. alba a new genus, Bulleromyces, is proposed, with only one species, viz. Bulleromyces albus. |
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