新型谷物隐球菌，一种从发酵谷物中分离出的嗜冷酵母菌种。
Cryptococcus cerealis sp. nov. a psychrophilic yeast species isolated from fermented cereals.
作者信息
Passoth Volkmar, Andersson Ann-Christin, Olstorpe Matilda, Theelen Bart, Boekhout Teun, Schnürer Johan
机构信息
Department of Microbiology, Swedish University of Agricultural Sciences (SLU), P.O. Box 7025, 750 07 Uppsala, Sweden.
出版信息
Antonie Van Leeuwenhoek. 2009 Nov;96(4):635-43. doi: 10.1007/s10482-009-9379-7.
Two yeast strains isolated in 2007 from fermented pig feed were studied, including the analysis of sequences of the D1/D2 and ITS-regions of the rDNA-repeats, their morphology and nutritional physiology. Sequence comparison of the D1/D2 and ITS regions demonstrated that the strains do not belong to any known species. Therefore, a new species, Cryptococcus cerealis with the type strain CBS 10505, is proposed. The species belongs to Filobasidiales (Agaricomycetes, Basidiomycota), and has Cryptococcus saitoi as the closest related species. The new species is psychrophilic, showing significant growth at 4 and 10 degrees C.
对2007年从发酵猪饲料中分离出的两株酵母菌株进行了研究，包括对核糖体DNA重复序列的D1/D2和ITS区域序列的分析、它们的形态学和营养生理学研究。D1/D2和ITS区域的序列比较表明，这些菌株不属于任何已知物种。因此，提出了一个新物种——谷物隐球菌，其模式菌株为CBS 10505。该物种属于丝孢酵母目（担子菌门、伞菌纲），与最接近的相关物种齐藤隐球菌亲缘关系较近。该新物种是嗜冷菌，在4℃和10℃下能显著生长。
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