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- Volume 67, Issue 11
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f Description of Dioszegia patagonica sp. nov., a novel carotenogenic yeast isolated from cold environments
- Authors: Andrea Trochine1 , Benedetta Turchetti2 , Aline B. M. Vaz3 , Luciana Brandao3 , Luiz H. Rosa3 , Pietro Buzzini2 , Carlos Rosa3 , Diego Libkind1
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1 1Laboratorio de Microbiología Aplicada, Biotecnología y Bioinformática de levaduras, Instituto Andino-Patagónico de Tecnologías Biológicas y Geoambientales (IPATEC), CONICET – UNComahue. Quintral 1250, (8400), Bariloche, Río Negro, Argentina 2 2Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università degli Studi di Perugia and Industrial Yeasts Collection DBVPG, Borgo XX Giugno, 74, Perugia, Italy 3 3Departamento de Microbiologia, ICB, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
- *Correspondence: Diego Libkind [email protected]
- First Published Online: 25 September 2017, International Journal of Systematic and Evolutionary Microbiology 67: 4332-4339, doi: 10.1099/ijsem.0.002211
- Subject: New taxa - Eukaryotic Micro-organisms
- Received:
- Accepted:
- Cover date:




Description of Dioszegia patagonica sp. nov., a novel carotenogenic yeast isolated from cold environments, Page 1 of 1
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During a survey of carotenogenic yeasts from cold and oligotrophic environments in Patagonia, several yeasts of the genus Dioszegia (Tremellales, Agaricomycotina) were detected, including three strains that could not be assigned to any known taxa. Analyses of internal transcribed spacer and D1/D2 regions of the large subunit rRNA gene showed these strains are conspecific with several other strains found in the Italian Alps and in Antarctica soil. Phylogenetic analyses showed that 19 of these strains represent a novel yeast species of the genus Dioszegia. The name Dioszegia patagonica sp. nov. is proposed to accommodate these strains and CRUB 1147T (UFMG 195T=CBMAI 1564T=DBVPG 10618T=CBS 14901T; MycoBank MB 819782) was designated as the type strain. This Dioszegia species accumulates biotechnologically valuable compounds such as carotenoid pigments and mycosporines.
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The GenBank/EMBL/DDBJ accession numbers for the sequences determined in this study are EF595753, KY438212, KY438211, MF100849, MF100848, KC433801, KC433854 (26SrDNA D1/D2) and KY449061, KY438210, KY438209, MF100847, MF100846, KC455892, KC455907 (complete ITS region and 5.8S rDNA).
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Two supplementary tables are available with the online Supplementary Material.
- Keyword(s): cold environments, psychrophile, red yeast, patagonia
© 2017 IUMS | Published by the Microbiology Society
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