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標題: Azospirillum rugosum sp nov., isolated from oil-contaminated soil
作者: Young, C.C.;Hupfer, H.;Siering, C.;Ho, M.J.;Arun, A.B.;Lai, W.A.;Rekha, P.D.;Shen, F.T.;Hung, M.H.;Chen, W.M.;Yassin, A.F.
楊秋忠;沈佛亭
關鍵字: lipoferum beijerinck;bacteria;rhizosphere;trees;genus
日期: 2008
Issue Date: 2012-12-07 14:49:40 (UTC+8)
關連: International Journal of Systematic and Evolutionary Microbiology, Volume 58, Page(s) 959-963.
摘要: The taxonomic status of a light-orange-coloured bacterial isolate from an oil-contaminated soil sample was characterized by using a polyphasic taxonomic approach. Comparative analysis of 16S rRNA gene sequences demonstrated that the isolate belonged phylogenetically to the genus Azospirillum, with Azospirillum canadense, Azospirillum brasilense and Azospirillum doebereinerae as its closest phylogenetic relatives (97.3, 97.0 and 97.0% similarity, respectively). DNA-DNA pairing studies showed that the unidentified organism displayed 25.0, 17.0 and 19.0 % relatedness to the type strains of A. brasilense, A. canadense and A. doebereinerae, respectively. The generic assignment was confirmed by chemotaxonomic data, which revealed a fatty acid profile that was characteristic of the genus Azospirillum, consisting of straight-chain saturated and unsaturated fatty acids with C-18:1 omega 7c as the major fatty acid, and ubiquinone with ten isoprene units (Q-10) as the predominant respiratory quinone. On the basis of both the phenotypic and molecular genetic evidence, it is proposed that the unknown isolate be classified as a representative of a novel species of the genus Azospirillum, for which the name Azospirillum rugosum sp. nov. is proposed. The type strain is IMMIB AFH-6(T) (=CCUG 53966(T) =DSM 19657(T)).
Relation: International Journal of Systematic and Evolutionary Microbiology
Appears in Collections:[依資料類型分類] 期刊論文
[依教師分類] 楊秋忠
[依教師分類] 沈佛亭
[依教師分類] 楊秋忠

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