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|標題:||Brachybacterium phenoliresistens sp nov., isolated from oil-contaminated coastal sand||作者:||Chou, J.H.
|關鍵字:||genus brachybacterium;deoxyribonucleic-acid;bacteria;trees||Project:||International Journal of Systematic and Evolutionary Microbiology||期刊/報告no：:||International Journal of Systematic and Evolutionary Microbiology, Volume 57, Page(s) 2674-2679.||摘要:||
A coccoid- to ovoid-shaped, Gram-positive, non-motile bacterial strain, designated phenol-A, was isolated from an oil-contaminated coastal sand sample collected from Pingtung County, southern Taiwan, and characterized by use of a polyphasic approach. Phylogenetic analyses based on 1 6S rRNA gene sequences showed that the novel strain formed a monophyletic branch at the periphery of the evolutionary radiation occupied by the genus Brachybacterium, in the family Dermabacteraceae, class Actinobacteria. The closest neighbours were Brachybacterium rhamnosum LMG 19848 T (96.9% 16S rRNA gene sequence similarity), Brachybacterium nesterenkovii DSM 9573(T) (97.0%) and Brachybacterium muris C3H-21(T) (96.3 %). The peptidoglycan type of strain phenol-A T was variation A4 gamma with meso-diaminopimelic acid as the diagnostic cell-wall diamino acid. The isolate contained MK-7 as the major component of the quinone system. The polar lipid profile consisted of diphosphaticlylglycerol, phosphaticlylglycerol, and unidentified phospholipids and glycolipids. The predominant fatty acid was anteiso-C15:0 (59.5%); significant amounts Of iso-C-16:0 (9.4%), iso-C-14:0 (9.5 %) and anteiso-C-17:0 (10.8%) were also present. The isolate was also distinguished from recognized members of the genus Brachybacterium on the basis of several phenotypic and biochemical characteristics. It is evident from the genotypic, chemotaxonomic and phenotypic data that isolate phenol-A(T) represents a novel species of the genus Brachybacterium, for which the name Brachybacterium phenoliresistens sp. nov. is proposed. The type strain is phenol-A(T) (=LMG 23707(T) =BCRC 17589(T)).
|Appears in Collections:||土壤環境科學系|
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