1887

Abstract

A bacterial isolate, with an optimum growth temperature of about 50 °C and an optimum pH for growth between 7.5 and 8.5, was recovered from a hot spring in the Furnas area of the Island of São Miguel in the Azores. The novel isolate is orange-pigmented, forms non-motile, rod-shaped cells that stain Gram-negative, is strictly aerobic, oxidase-positive and catalase-negative. The major fatty acids of strain TU-20 are 16 : 1ω6 17 : 0 iso 3-OH and 15 : 0 iso. Menaquinone 6 is the major respiratory quinone. Based on 16S rRNA gene sequence analysis, physiological and biochemical characteristics, we describe a novel species of a novel genus represented by strain TU-20 ( = DSM 21410 = LMG 24594) for which we propose the name gen nov., sp. nov. We also propose the family fam. nov. to accommodate this new genus.

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2011-10-01
2019-12-06
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Two dimensional thin-layer chromatography of polar lipids of strain TU-20 (a) and (b) at the optimum growth temperature.

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16S rRNA gene sequence-based tree reconstructed using the maximum-parsimony method. [ PDF] (58 KB)

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