新种巴塔哥尼亚迪氏酵母的描述，一种从寒冷环境中分离出的新型产类胡萝卜素酵母。
Description of Dioszegia patagonica sp. nov., a novel carotenogenic yeast isolated from cold environments.
作者信息
Trochine Andrea, Turchetti Benedetta, Vaz Aline B M, Brandao Luciana, Rosa Luiz H, Buzzini Pietro, Rosa Carlos, Libkind Diego
机构信息
Laboratorio 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.
Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università degli Studi di Perugia and Industrial Yeasts Collection DBVPG, Borgo XX Giugno, 74, Perugia, Italy.
出版信息
Int J Syst Evol Microbiol. 2017 Nov;67(11):4332-4339. doi: 10.1099/ijsem.0.002211. Epub 2017 Sep 25.
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 1147 (UFMG 195=CBMAI 1564=DBVPG 10618=CBS 14901; MycoBank MB 819782) was designated as the type strain. This Dioszegia species accumulates biotechnologically valuable compounds such as carotenoid pigments and mycosporines.
在对巴塔哥尼亚寒冷和贫营养环境中的产类胡萝卜素酵母进行调查时，检测到了几种胶孢酵母属（银耳目，伞菌亚门）的酵母，其中包括三株无法归入任何已知分类群的菌株。对大亚基rRNA基因的内部转录间隔区和D1/D2区域的分析表明，这些菌株与在意大利阿尔卑斯山和南极土壤中发现的其他几种菌株是同种的。系统发育分析表明，其中19株代表胶孢酵母属的一个新酵母物种。提出了胶孢酵母巴塔哥尼亚种（Dioszegia patagonica sp. nov.）这一名称来容纳这些菌株，并指定CRUB 1147（UFMG 195 = CBMAI 1564 = DBVPG 10618 = CBS 14901；MycoBank MB 819782）为模式菌株。这种胶孢酵母物种积累了具有生物技术价值的化合物，如类胡萝卜素色素和菌孢素。
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