title: Cryptococcus socialis sp. nov. and Cryptococcus consortionis sp. nov., Antarctic basidioblastomycetes.
abstract: New yeasts from the Ross Desert (dry valley area) of Antarctica include Cryptococcus socialis sp. nov. and Cryptococcus consortionis sp. nov. Cryptococcus socialis MYSW A801-3aY1 (= ATCC 56685) requires no vitamins, assimilates L-arabinose, cellobiose, D-glucuronate, maltose,  melezitose, raffinose, soluble starch, sucrose, and trehalose, and may be distinguished from all other basidioblastomycetes by the combination of amylose production, cellobiose assimilation, and failure to utilize nitrate, D-galactose, myo-inositol, and mannitol.  Its guanine-plus-cytosine content is 56 mol%.  Cryptococcus consortionis MYSW A801-3aY92 (= ATCC 56686) requires thiamine, assimilates L-arabinose, D-glucuronate, 2-ketogluconate, salicin, succinate, sucrose, trehalose, and D-xylose, and may be distinguished from all other basidioblastomycetes by the combination of amylose production and failure to utilize nitrate, cellobiose, D-galactose, myo-inositol, and mannitol.  Its guanine-plus-cytosine content is 56 mol%.
authors.affiliation: Department of Botany and Microbiology, Oklahoma State University, Stillwater 74078, USA.
authors.forename: H S
authors.initials: HS
authors.lastname: Vishniac
mesh_terms: D000864:Antarctic Regions; D002244:Carbon / Q000378:metabolism; D003081:Cold Climate; D003454:Cryptococcus / Q000145:classification* / Q000378:metabolism* / Q000502:physiology / Q000648:ultrastructure; D004271:DNA, Fungal; D003889:Desert Climate; D008854:Microscopy, Electron; D009566:Nitrates / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism*; D012988:Soil Microbiology
chemical_list: D004271:DNA, Fungal; D009566:Nitrates; D002244:Carbon; D009584:Nitrogen