Nakazawaea tricholomae f.a., sp. nov., a Novel Ascomycetous Yeast Species Isolated from Two Mushroom Species in China
Current Microbiology(2024)
摘要
Two yeast strains designated as 20–27–1 and 20–28 were isolated from the fruiting bodies of Tricholoma gambosum and Marasmius maximus , respectively, which were collected in Wudaogou, Weichang county, Chengde area, Hebei Province, China. The multi-locus analysis of the sequences of the rDNA ITS, D1/D2 LSU, and SSU regions, together with partial sequences of two protein-coding genes RPB1 and TEF1 indicates that the two strains are closely related to Nakazawaea ernobii and Nakazawaea holstii , showing the similarity values of 99.3–98.7%, 97.2–97.1%, 91.9–92.5%, and 84.6% in D1/D2 LSU, ITS, TEF1 , and RPB1 , respectively. Physiologically, the two strains are different from N. ernobii and N. holstii in the assimilation of melibiose, inulin, and DL-lactic acid. Both the phenotypic and phylogenetic analyses indicate that those two strains represent a novel species in the genus Nakazawaea , for which the name Nakazawaea tricholomae f.a., sp. nov. (Fungal Names: FN 571492) is proposed.
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