Hannaella pagnoccae sp. nov., a tremellaceous yeast species isolated from plants and soil
2014
Landell, Melissa Fontes | Brandão, Luciana R. | Barbosa, Anne C. | Ramos, Jesus P. | Safar, Silvana V. B. | Gomes, Fatima C. O. | Sousa, Francisca M. P. | Morais, Paula B. | Broetto, Leonardo | Leoncini, Orílio | Ribeiro, José Roberto | Fungsin, Bundit | Takashima, Masako | Nakase, Takashi | Lee, Ching-Fu | Vainstein, Marilene H. | Fell, Jack W. | Scorzetti, Gloria | Vishniac, Helen S. | Rosa, Carlos A. | Valente, Patricia
Several independent surveys of yeasts associated with different plant materials and soil led to the proposal of a novel yeast species belonging to the Tremellales clade (Agaricomycotina, Basidiomycota). Analysis of the sequences of the D1/D2 domains and internal transcribed spacer region of the large subunit of the rRNA gene suggested affinity to a phylogenetic lineage that includes Hannaella coprosmaensis, Hannaella oryzae and Hannaella sinensis. Thirty-two isolates were obtained from different sources, including bromeliads, nectar of Heliconia psittacorum (Heliconiaceae), flowers of Pimenta dioica (Myrtaceae), roots and leaves of sugar cane (Saccharum spp.) in Brazil, leaves of Cratoxylum maingayi, Arundinaria pusilla and Vitis vinifera in Thailand, soil samples in Taiwan, and prairie soil in the USA. Sequence analysis of the D1/D2 domains of the large subunit of the rRNA gene showed that the novel species differs from Hannaella coprosmaensis and Hannaella oryzae by 36 and 46 nt substitutions, respectively. A novel species is suggested to accommodate these isolates, for which the name Hannaella pagnoccae sp. nov. is proposed. The type strain is BI118T ( = CBS 11142T = ATCC MYA-4530T).
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