北极红酵母，一种来自北极土壤的担子菌酵母。
Rhodotorula arctica sp. nov., a basidiomycetous yeast from Arctic soil.
机构信息
Department of Microbiology and Molecular Genetics, Oklahoma State University, Stillwater, OK 74075, USA.
Japan Collection of Microorganisms, RIKEN BioResource Center, Hirosawa 2-1, Wako, Saitama 351-0198, Japan.
出版信息
Int J Syst Evol Microbiol. 2010 May;60(Pt 5):1215-1218. doi: 10.1099/ijs.0.014910-0. Epub 2009 Aug 7.
Three isolates, typified by Pro94 Y29(T) (=JCM 13290(T) =CBS 9278(T) =DBVPG 7841(T)), that represent a novel species, Rhodotorula arctica sp. nov., were studied. R. arctica differed from its only close relative, Bensingtonia yamatoana, by requiring thiamine and by failing to assimilate maltose and quinate, but strain Pro94 Y29(T) could be most readily identified using the rDNA sequence of the LSU D1/D2 region, which differed from that of B. yamatoana CBS 7423(T) at four positions, and the ITS sequence, which differed at nine positions. One R. arctica isolate, Pro94 Y56 (=JCM 13292 =CBS 9280 =DBVPG Y7843), was unique in requiring either l-arginine or l-citrulline as a source of nitrogen.
研究了三个分离株，以 Pro94 Y29（T）（= JCM 13290（T）= CBS 9278（T）= DBVPG 7841（T））为代表，代表了一个新物种，北极红酵母。Rhodotorula arctica 与其唯一的近缘种 Bensingtonia yamatoana 不同，需要硫胺素，并且不能同化麦芽糖和奎宁酸，但 Pro94 Y29（T）菌株可以通过 LSU D1/D2 区域的 rDNA 序列最容易识别，该序列与 B. yamatoana CBS 7423（T）在四个位置上不同，ITS 序列在九个位置上也不同。一个 R. arctica 分离株 Pro94 Y56（= JCM 13292 = CBS 9280 = DBVPG Y7843）的独特之处在于它需要 l-精氨酸或 l-瓜氨酸作为氮源。
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