1887

Abstract

A Gram-stain-positive, yellow-pigmented, catalase-positive and oxidase-negative, strictly aerobic actinobacterium, designated strain YIM 131853, was isolated from lichen collected from the South Bank of the Baltic Sea. The novel strain was non-spore-forming, short rod-shaped and motile with a single polar flagellum. The strain could grow at 4–37 °C (optimum, 28 °C), at pH 4.0–12.0 (pH 6.0) and at 0–3 % (w/v) NaCl (1 %). The DNA G+C content of strain YIM 131853 based on the draft genome sequence was 68.3 mol%. Predominant cellular fatty acids (>10 %) were identified as anteiso-C, anteiso-C and iso-C. The polar lipid profile included diphosphatidylglycerol, dimannosyldiacylglycerol, three unknown glycolipids, two unknown phospholipids and one unknown lipid. Strain YIM 131853 had 2,4-diaminobutyric acid as the diagnostic cell-wall diamino acid, galactose and glucose as whole-cell sugars, and MK-10, MK-14, MK-13 and MK-12 as the major menaquinones. Although strain YIM 131853 exhibited a highest 16S rRNA gene sequence similarity (96.6 %) to NBRC 109360, phylogenetic analysis based on 16S rRNA gene sequences indicated that the strain formed a tight lineage with NBRC 108725 (96.5 % 16S rRNA gene sequence similarity), which was the only species of genus . Based on the results of phenotypic, chemotaxonomic and phylogenetic analyses, strain YIM 131853 should belong to the genus and represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is YIM 131853 (=CGMCC 4.7565=NBRC 113605).

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/content/journal/ijsem/10.1099/ijsem.0.003865
2019-11-18
2019-12-09
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