1887

Abstract

Five cold-adapted bacteria belonging to the genus were isolated from lichen and soil samples collected from Finnish Lapland and investigated in detail by phenotypic and phylogenetic analyses. Based on 16S rRNA gene phylogeny, the novel strains represent three new branches within the genus . The strains were aerobic, chemo-organotrophic, non-motile rods and formed pigmented, smooth, mucoid colonies on solid media. The strains grew between 0 and 33 °C (optimum growth at 25 °C) and at pH 4.5–8.0 (optimum growth at pH 6.0). The main cellular fatty acids were iso-C, summed feature 3 (C 7/iso-C 2-OH) and iso-C 3-OH and the major respiratory quinone was MK-7. The DNA G+C contents were 44.0–46.5 mol%. Based on phylogenetic, phenotypic and chemotaxonomic data, the strains represent three novel species of the genus for which the names sp. nov. (type strain FT22 =ATCC BAA-1854 =LMG 25359), sp. nov. (type strain ANJLI2 =ATCC BAA-1855 =LMG 25358) and sp. nov. (type strain MP1X4 =ATCC BAA-1856 =LMG 25360) are proposed.

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2010-12-01
2020-01-24
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Differential features of the five psychrophilic strains and WPCB133 in Biolog GN2 and API ZYM tests. [ PDF] 43 KB

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Electron micrographs of strains ANJLI2 , FT22 and MP1X4 grown on R2A broth at +4°C for 7 days. Bars, 1 µm.

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