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Volume 59, Issue 3

sp. nov., a basidiomycetous yeast species isolated from aquatic environments of the Patagonian Andes, and sp. nov., the sexual stage of Free

Abstract

Here, we report on two novel sexual basidiomycetous red yeast species of the genus . sp. nov. is based on sexually compatible strains isolated from Lake Mascardi, an ultraoligotrophic lake in north-western Patagonia, Argentina. Following the discovery of the first isolate of this species, additional (sexually compatible) strains were isolated using a selective medium containing erythritol as the sole source of carbon. The second novel species corresponds to the sexual state of . In spite of accounts over the last 20 years of sexually compatible strains of this species, the complete life has never been observed. We provide evidence of a -like basidial stage with teliospores and slender holobasidia, based on the study of self-fertile (homothallic) and self-sterile (heterothallic) isolates of . A revised molecular phylogeny of the genus is presented and the most salient features of sp. nov. (type strain CBS 10642 =PYCC 5819 =CRUB 1046) and sp. nov. (type strain CBS 10757) are discussed and compared with those of the remaining species in the genus. Information on additional Patagonian isolates belonging to the Cystofilobasidiales is also included in this report.

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Keyword(s): ITS, internal transcribed spacer , LSU, large subunit and MP, maximum parsimony
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2009-03-01
2024-04-19
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Cystofilobasidium lacus-mascardii sp. nov., a basidiomycetous yeast species isolated from aquatic environments of the Patagonian Andes, and Cystofilobasidium macerans sp. nov., the sexual stage of Cryptococcus macerans
Int J Syst Evol Microbiol 59, 622 (2009); https://doi.org/10.1099/ijs.0.004390-0
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