Torulaspora markjohnstonii J. Al-Oboudi, M. Silva, F. Paraiso, K. Sylvester, Q. K. Langdon, J. - L. Legras, D. A. Opulente, J. P. Sampaio & Hittinger 2025
Year: 2025
Type: other
Abstract: Torulaspora markjohnstonii J. Al-Oboudi, M. Silva, F. Paraíso, K. Sylvester, Q.K. Langdon, J.-L. Legras, D.A. Opulente, J.P. Sampaio & Hittinger, sp. nov. MB 853981. Fig. 4S, T. Etymology: Torulaspora markjohnstonii. mark.john’sto.ni.i, N.L. gen. n. markjohnstonii, of Mark Johnston, in honor of Mark Johnston, in recognition of his lifelong contributions to yeast genetics and genomics. Typus: USA, North Carolina, Winston-Salem, soil under Acer saccharinum, 2014, L. Shown (holotype PYCC 9891H, ex-holotype cultures PYCC 9891, CBS 18641). The holotype is permanently maintained in a metabolically inactive state in the Portuguese Yeast Culture Collection, Caparica, Portugal. The genome of this species was deposited at DDBJ /ENA/ GenBank under the accession GCA_048593755. The version described in this paper is v. 1. Description: After 1 wk on YM agar at 25 °C, cultures are smooth, cream-coloured, and butyrous. After 3 d of growth on YM agar at 25 °C, cells are globose (3–5.5 µm) to sub-globose (2.5–6 × 2–4 µm) and occur singly or in pairs, and proliferation is by multilateral budding (Fig. 4S). On Dalmau plates after 2 wk at 25 °C, no pseudohyphae nor true hyphae are formed. Sexual reproduction is observed on acetate agar after 10 d at 17 °C, and the cultures appear to be homothallic. Cellular extensions that resemble conjugation tubes are frequent and usually are not involved in conjugation. Asci are persistent and normally are formed after conjugation involving a cell and its bud. Asci produce one to two smooth and spherical ascospores, measuring 2–3 µm diam. (Fig. 4T). The physiological and biochemical profile of the species in shown in Table 1 and Table S5. Habitat and distribution: This species was found in the bark of Quercus pubescens (Italy), and Q. robur (Portugal), soil (USA), and in a cider brewery (France). Currently known from collections in Europe and USA. Additional cultures examined: PYCC 9561, PYCC 8308, PYCC 9892 (see Table S1 for details).
Authors: Silva, M. R., Paraíso, F., Al-Oboudi, J., Abegg, M., Aires, A., Barros, K. O., Brito, P. H., Jarzyna, M., Sylvester, K., Langdon, Q. K., Opulente, D. A., Carriconde, F., Fell, J. W., Hofmann, T. A., Lachance, M. - A., Legras, J. - L., Libkind, D., Pontes, A., Gonçalves, P., Rosa, C. A., Groenewald, M., Hittinger, C. T., Sampaio, J. P.
Institutions: Universidade Nova de Lisboa, University of Wisconsin–Madison, Great Lakes Bioenergy Research Center, Universidade Federal de Minas Gerais, Universidade Federal do Amazonas, University of Miami, Universidad Autónoma de Chiriquí, Western University, Université de Montpellier, Institut Agro Montpellier, Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement, Sciences pour L’Œnologie, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional del Comahue, Westerdijk Fungal Biodiversity Institute
Language: English
Subfield: Molecular Biology
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W6912338287
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