Rhodotorula taiwanensis sp. nov., a novel yeast species from a plant in Taiwan |
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| Authors: | Chien-Hsun Huang Fwu-Ling Lee Chih-Jen Tien Pei-Wen Hsieh |
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| Affiliation: | (1) Bioresource Collection and Research Center, Food Industry Research and Development Institute, P. O. Box 246, Hsinchu, 30099, Taiwan, ROC;(2) Graduate Institute of Natural Products, Chang Gung University, Taoyuan, 333, Taiwan, ROC;(3) Present address: Department of Life Science, Tunghai University, Taichung, 40704, Taiwan, ROC; |
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| Abstract: | A novel anamorphic yeast strain, A1-01T, belonging to the genus Rhodotorula was isolated from a plant in Taiwan and analysed morphologically, physiologically and phylogenetically. Neither ballistoconidia nor sexual reproduction was observed. Sequence analysis of the 26S rRNA gene and the ITS region indicate that Rhodosporidium sphaerocarpum is the most closely related species, with 14 and 24 nucleotide substitutions, respectively. The novel species differed physiologically from R. sphaerocarpum in its ability to assimilate ethylamine and cadaverine, its inability to assimilate ethanol and nitrite. From these comparative analyses, the following novel yeast species is proposed: Rhodotorula taiwanensis sp. nov. with the type strain of A1-01T (BCRC 23118T = CBS 11729T). |
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