Mar 28, 2020

Bacillus salinus sp. nov., isolated from commercial solar salt

International Journal of Systematic and Evolutionary Microbiology
Heeyoung KangKiseong Joh

Abstract

Two strains of Gram-stain-positive, strictly aerobic, motile, spore-forming, rod-shaped, moderately halotolerant bacteria, designated as HMF5848T and HME7618, were isolated from salt/brine and subjected to a polyphasic taxonomic investigation. Growth of both yellow-coloured strains occurred in the presence of 1-9 % NaCl (w/v; optimum, 2-3 %), at 15-45 °C (optimum, 37 °C) and pH 6-9 (optimum, pH 7). The major fatty acids were iso-C15 : 0, iso-C16 : 0 and anteiso-C15 : 0. The cell-wall peptidoglycan was meso-diaminopimelic acid. The only respiratory quinone was menaquinone-7. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, four unidentified glycolipids, three unidentified phospholipids and two unidentified polar lipids. DNA G+C content was 37.4 mol%. Phylogenetic trees based on 16S rRNA gene sequences showed that strains HMF5848T and HME7618 clustered with Bacillus luteolus YIM 93174T. Strains HMF5848T showed the highest 16S rRNA gene sequence similarities to Bacillus humi LMG 22167T (96.1 %), Bacillus isabeliae CVS-8T (96.0 %) and Bacillus luteolus YIM 93174T (96.0 %). The values of in silico DNA-DNA hybridization and average nucleotide identity between strains HMF5848T and B. humi DSM 16318T were 25.8 ...Continue Reading

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Mentioned in this Paper

Muscle Property
Vitamin MK 7
Diphosphatidylglycerols
Diaminopimelic Acid
Base Sequence
Glycolipids
Phospholipids
Potato yellowing virus
Phosphatidyl glycerol
Phylogenetic Analysis

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