新种多哥诺卡氏菌，一种从沙质沉积物中分离出的放线菌。
Nocardioides dokdonensis sp. nov., an actinomycete isolated from sand sediment.
作者信息
Park Seong Chan, Baik Keun Sik, Kim Mi Sun, Chun Jongsik, Seong Chi Nam
机构信息
Department of Biology, College of Natural Sciences, Sunchon National University, Suncheon 540-742, Republic of Korea.
出版信息
Int J Syst Evol Microbiol. 2008 Nov;58(Pt 11):2619-23. doi: 10.1099/ijs.0.65835-0.
A strictly aerobic, non-motile, short rod-shaped actinomycete, designated strain FR1436(T), was isolated from sand sediment from a beach on Dokdo Island, Republic of Korea. The major menaquinone was MK-8(H(4)), the predominant cellular fatty acid was iso-C(16 : 0) (40.4 %) and the G+C content of the DNA was 69.1 mol%. A phylogenetic tree based on 16S rRNA gene sequences showed that strain FR1436(T) formed a lineage within the genus Nocardioides and was closely related to Nocardioides marinisabuli SBS-12(T) (97.8 % sequence similarity) and Nocardioides salarius CL-Z59(T) (97.4 %). Phenotypic characteristics and DNA-DNA relatedness data served to distinguish strain FR1436(T) from N. marinisabuli. On the basis of the evidence presented in this study, strain FR1436(T) represents a novel species of the genus Nocardioides, for which the name Nocardioides dokdonensis sp. nov. is proposed. The type strain is FR1436(T) (=KCTC 19309(T) =JCM 14815(T)).
从韩国独岛海滩的沙质沉积物中分离出一株严格需氧、无运动性、短杆状的放线菌，命名为菌株FR1436(T)。主要甲基萘醌为MK-8(H(4))，主要细胞脂肪酸为异-C(16 : 0)(40.4%)，DNA的G+C含量为69.1 mol%。基于16S rRNA基因序列构建的系统发育树表明，菌株FR1436(T)在诺卡氏菌属内形成一个分支，与海沙诺卡氏菌SBS-12(T)(序列相似性97.8%)和盐诺卡氏菌CL-Z59(T)(序列相似性97.4%)密切相关。表型特征和DNA-DNA相关性数据有助于将菌株FR1436(T)与海沙诺卡氏菌区分开来。根据本研究提供的证据，菌株FR1436(T)代表诺卡氏菌属的一个新物种，为此提出名为独岛诺卡氏菌（Nocardioides dokdonensis sp. nov.）的新名称。模式菌株为FR1436(T)(=KCTC 19309(T)=JCM 14815(T))。
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