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|標題:||Arcicella aurantiaca sp nov., isolated from stream water||作者:||Sheu, S.Y.
|關鍵字:||deoxyribonucleic-acid;sequence alignment;trees||Project:||International Journal of Systematic and Evolutionary Microbiology||期刊/報告no：:||International Journal of Systematic and Evolutionary Microbiology, Volume 60, Page(s) 2979-2983.||摘要:||
A bacterial strain designated TNR-18(T) was isolated from stream water in southern Taiwan and characterized using a polyphasic taxonomic approach. Cells of strain TNR-18(T) were Gram-stain-negative, strictly aerobic, non-motile and vibrioid, and the strain formed orange colonies. Growth occurred at 10-30 degrees C, with 0-0.2% NaCl and at pH 6.0-10.0. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain TNR-18(T) belonged to the genus Arcicella; its closest neighbours were Arcicella rosea TW5(T) and Arcicella aquatica NO-502(T), with respective sequence similarities of 97.9 and 97.8%. Predominant cellular fatty acids (>10%) were summed feature 3 (C(16:1)omega 7c/C(16:1)omega 6c; 37.7%), C(16:1)omega 5c (13.0 %) and iso-C(15:0) (11.1 %). The major respiratory quinone was MK-7. The polar lipid profile contained phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol and several uncharacterized polar lipids. The DNA G +C content was 39.9 mol%. On the basis of the phylogenetic and phenotypic data, strain TNR-18(T) should be classified as representing a novel species, for which the name Arcicella aurantiaca sp. nov. is proposed. The type strain is TNR-18(T) (=LMG 25207(T) =BCRC 17969(T)).
|Appears in Collections:||土壤環境科學系|
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