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  • Title: Tessaracoccus arenae sp. nov., isolated from sea sand.
    Author: Thongphrom C, Kim JH, Bora N, Kim W.
    Journal: Int J Syst Evol Microbiol; 2017 Jun; 67(6):2008-2013. PubMed ID: 28632118.
    Abstract:
    A Gram-stain positive, non-spore-forming, non-motile, facultatively anaerobic bacterial strain, designated CAU 1319T, was isolated from sea sand and the strain's taxonomic position was investigated using a polyphasic approach. Strain CAU 1319T grew optimally at 30 °C and at pH 7.5 in the presence of 2 % (w/v) NaCl. Phylogenetic analysis, based on the 16S rRNA gene sequence, revealed that strain CAU 1319T belongs to the genus Tessaracoccus, and is closely related to Tessaracoccus lapidicaptus IPBSL-7T (similarity 97.69 %), Tessaracoccus bendigoensis Ben 106T (similarity 95.64 %) and Tessaracoccus flavescens SST-39T (similarity 95.84 %). Strain CAU 1319T had ll-diaminopimelic acid as the diagnostic diamino acid in the cell-wall peptidoglycan, MK-9 (H4) as the predominant menaquinone, and anteiso-C15 : 0 as the major fatty acid. The polar lipids consisted of phosphatidylglycerol, phosphatidylinositol, two unidentified aminolipids, three unidentified phospholipids and one unidentified glycolipid. Predominant polyamines were spermine and spermidine. The DNA-DNA hybridization value between strain CAU 1319T and T. lapidicaptus IPBSL-7T was 24 %±0.2. The DNA G+C content of the novel strain was 69.5 mol%. On the basis of phenotypic and chemotaxonomic properties, as well as phylogenetic relatedness, strain CAU 1319Tshould be classified as a novel species of the genus Tessaracoccus, for which the name Tessaracoccus arenae sp. nov. is proposed. The type strain is CAU 1319T(=KCTC 39760T=NBRC 111973T).
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