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標題: | Gordonia malaquae sp nov., isolated from sludge of a wastewater treatment plant | 作者: | Yassin, A.F. 楊秋忠 Shen, F.T. Hupfer, H. Arun, A.B. Lai, W.A. Rekha, P.D. Young, C.C. 沈佛亭 |
關鍵字: | thin-layer;actinomycete;chromatography;proposal;genus;acid;classification;identification;tsukamura;nocardiae | Project: | International Journal of Systematic and Evolutionary Microbiology | 期刊/報告no:: | International Journal of Systematic and Evolutionary Microbiology, Volume 57, Page(s) 1065-1068. | 摘要: | The taxonomic status of a bacterial isolate from the sludge of a wastewater treatment plant was characterized by using a polyphasic taxonomic approach. Chemotaxonomic investigations revealed the presence of cell-wall chemotype IV, short-chain mycolic acids that co-migrated with those extracted from members of the genus Gordonia, fatty acids C(16:0) and C(18:0) (found by pyrolysis gas chromatography) and a dihydrogenated menaquinone with nine isoprene units [MK-9(H2)] as the predominant menaquinone. The genus assignment was confirmed by 16S rRNA gene sequencing. Comparative analysis of the 16S rRNA gene sequence showed that the novel isolate constitutes a hitherto unknown subline within the genus Gordonia, displaying 95.9 to 97.6% gene sequence similarity to the recognized species of the genus. The novel isolate was distinguished from the type strains of phylogenetically related species by using a set of phenotypic features. The genotypic and phenotypic data show that the new strain merits classification as a novel species of the genus Gordonia, for which the name Gordonia malaquae sp. nov. is proposed. The type strain is IMMIB WWCC-22(T) (= DSM 45064(T)= CCUG 53555(T)). |
URI: | http://hdl.handle.net/11455/44751 | ISSN: | 1466-5026 | DOI: | 10.1099/ijs.0.64893-0 |
Appears in Collections: | 土壤環境科學系 |
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