Abstract

The salient features of Tausonia are infrequent production of arthroconidia, conspicuous formation of hyphae with clamp connections that normally are incomplete, presence of chlamydospores, preference for low temperatures, and phylogenetic placement within the Cystofilobasidiales. In the determination of the asexual reproduction it is seen that it involves budding and formation of arthroconidia. True hyphae with incomplete clamp connections and subglobose terminal, lateral, or intercalary chlamydospores are formed. Ballistoconidia are not produced. The chapter also discusses physiology/biochemistry and phylogenetic placement of the genus. The type species taken is Tausonia pamirica. In the systematic discussion of the species, growth on 5% malt extract agar, Dalmau plate culture on corn meal agar, gene sequence accession number, type strain, cell carbohydrates (extracellular polysaccharides), origin of the strains studied, and systematics are determined.

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