Bai Yukun, Tang Zeyu, Peng Xiaoya, Huang Jun, Sun Mingjing, Liu Jia, Peng Fang
China Center for Type Culture Collection (CCTCC), College of Life Sciences, Wuhan University, Wuhan, China Wuhan University Wuhan China.
Key Laboratory of Polar Environmental Monitoring and Public Governance, Ministry of Education of China, Beijing, China Ministry of Education of China Beijing China.
MycoKeys. 2025 Feb 24;114:95-113. doi: 10.3897/mycokeys.114.135299. eCollection 2025.
Yeasts are an important component of the microbiome in circumpolar regions that are characterized by unique environmental conditions. However, the taxonomy of yeasts remains largely unknown in high- and low-latitude regions. Curing a field survey of yeasts in the Svalbard Archipelago, Norway, a new yeast genus in Kriegeriales was isolated from dendritic lichens. Based on the phylogeny of multiple loci (ITS, LSU, SSU, , , , and ), morphology, and physiological characteristics, the new genus is proposed with the type species . Additionally, 10 °C and 15 °C are the fastest growth temperatures of . It has low or no growth at temperatures above 20 °C, and there appears to be a morphogenetic transition from yeast to pseudohyphae or hyphae above 10 °C.
酵母是环极地区微生物群的重要组成部分，该地区具有独特的环境条件。然而，高纬度和低纬度地区酵母的分类学在很大程度上仍不为人知。在挪威斯瓦尔巴群岛进行的一项酵母实地调查中，从树状地衣中分离出了一种新的克里格酵母目酵母属。基于多个基因座（ITS、LSU、SSU等）的系统发育、形态学和生理特征，提出了新属及模式种。此外，10℃和15℃是该菌的最快生长温度。在20℃以上的温度下，它生长缓慢或不生长，并且在10℃以上似乎存在从酵母到假菌丝或菌丝的形态发生转变。
