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A novel bacterial strain designated CB4T was isolated from soil from the Hallasan, Jeju, Korea. Strain CB4T was found to be strictly aerobic, Gram-stain-positive, rod-shaped, motile and formed creamy greyish colonies on nutrient agar. The major fatty acids were identified as iso-C15 : 0 and iso-C16 : 0, and the predominant isoprenoid quinone as MK-7. The cell-wall peptidoglycan contained glycine and alanine as the diagnostic amino acids and phosphatidyl-N-methylethanolamine, phosphatidylethanolamine, diphosphatidylglycerol and an unidentified aminophospholipid as the polar lipids. The genomic DNA G+C content of strain CB4T was 46.5 mol%. Phylogenetic analysis, based on 16S rRNA gene sequence similarities, showed that strain CB4T forms a deep branch within the genus Aneurinibacillus , sharing the highest level of sequence homology with Aneurinibacillus aneurinilyticus DSM 5562T (96.5 %). On the basis of the phenotypic, chemotaxonomic and phylogenetic characteristics, strain CB4T is considered to represent a novel species within the genus Aneurinibacillus , for which the name Aneurinibacillus soli sp. nov. is proposed. The type strain is CB4T ( = KCTC 33505T = CECT 8566T). An emended description of the genus Aneurinibacillus is also proposed.
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