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Volume 32, Issue 4

Five New Basidioblastomycetous Yeast Species Segregated from emend. auct., an Antarctic Yeast Species Comprising Four New Varieties Free

Abstract

The complex (H. S. Vishniac and W. P. Hempfling, Int. J. Syst. Bacteriol. :153–158,1979) consists of seven species possessing less than 52% deoxyribonucleic acid (DNA)-DNA homology: , and five new species. Vishniac and Hempfling emend. auct. (additional characters include assimilation of -aspartate, -gluta-mate, 2-ketogluconate, and succinate) includes var. var. nov. (MYSW 304Y268 = ATCC 36649) assimilating (besides substrates common to the species) -arabinose, citrate, -proline (weakly), sucrose, raflfinose, and -rhamnose (weakly); var. var. nov. (MYSW 303Y216 = ATCC 46404), differing from var. in assimilating fumarate and -malate but not -arabinose, citrate, sucrose, and raffinose; var. var. nov. (MYSW 302Y312 = ATCC 46402), differing from var. in assimilating fumarate and -malate but not -arabinose or citrate; and var. var. nov. (MYSW 302Y265 = ATCC 46403) differing from var. in assimilating cellobiose, methyl-α--glucoside, and salicin but not -proline or -rhamnose. sp. nov. (MYSW 302Y310 = ATCC 46399) differs from in being suppressed by 0.05 μg of cycloheximide ml and differs from all other described yeasts in that it produces cream-colored colonies, utilizes NO -N, and assimilates -arabinose, cellobiose, melezitose, and -rhamnose but not -galactose, myo-inositol, or -mannitol. sp. nov. (MYSW 302Y259 = ATCC 46400) differs from all other described yeasts in that it produces cream-colored colonies, utilizes NO -N, and assimilates -arabinose, cellobiose, 2-ketogluconate, and melezitose but not -mannitol or succinate. sp. nov. (MYSW 306Y212 = ATCC 46401) differs from all other described yeasts in that it utilizes NO -N and assimilates melezitose and -xylose but not -mannitol, salicin, or succinate. sp. nov. (MYSW 303Y336 = ATCC 46405) differs from all other described yeasts in that it produces cream-colored colonies, utilizes NO -N, and assimilates -arabinose, melezitose, salicin, and -xylose but not cellobiose or -mannitol. sp. nov. (MYSW 303Y206 = ATCC 46406) differs from all other described yeasts (except in producing cream colonies and in utilizing NO -N and assimilating cellobiose, citrate, and melezitose but not -arabinose, glycerol, or -mannitol. is phenotypically most similar to var. , differing from it by assimilating fumarate (weakly) and -malate but not -arabinose. Keys for yeast identification should include varietal listings.

  • Published Online:
© American Society for Microbiology, 1982
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1982-10-01
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Five New Basidioblastomycetous Yeast Species Segregated from Cryptococcus vishniacii emend. auct., an Antarctic Yeast Species Comprising Four New Varieties
Int J Syst Evol Microbiol 32, 437 (1982); https://doi.org/10.1099/00207713-32-4-437
/content/journal/ijsem/10.1099/00207713-32-4-437
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