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A Gram-positive, alkaliphilic bacterium, designated strain BA288T, was isolated from sandy soil. Cells were facultatively anaerobic, endospore-forming rods that were motile by means of peritrichous flagella. The strain grew at 15–40 °C and pH 7.0–11.0 (optimally at 30 °C and pH 9.0–9.5) and at salinities of 0–4 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain BA288T belonged to the genus Bacillus and that Bacillus herbersteinensis D-1,5aT, Bacillus humi LMG 22167T, Bacillus cohnii DSM 6307T and Bacillus litoralis SW-211T were the closest neighbours (96.2, 96.0, 96.0 and 95.9 % sequence similarity, respectively). The genomic DNA G+C content was 37.9 mol% and the predominant menaquinone was MK-7. The major cellular fatty acids were anteiso-C15 : 0, iso-C15 : 0, C16 : 0 and iso-C14 : 0. The peptidoglycan type was A1γ (meso-diaminopimelic acid). Therefore, on the basis of phylogenetic, phenotypic and chemotaxonomic properties, strain BA288T represents a novel species of the genus Bacillus, for which the name Bacillus alkalitelluris sp. nov. is proposed. The type strain is BA288T (=KCTC 3947T =DSM 16976T).
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International Journal of Systematic and Evolutionary Microbiology vol. 58 , part 11, pp. 2629 - 2634
Supplementary Figs S1 and S2. Maximum-likelihood (Fig. S1) and maximum-parsimony (Fig. S2) phylogenetic trees, based on 16S rRNA gene sequences, showing the relationships between strain BA 288 Tand related taxa. Numbers at branching nodes are bootstrap percentages (based on 1000 replications); only values ≥50% are indicated. Bars, 0.1 substitutions per nucleotide position. [PDF](29 KB)