1887

Abstract

An aerobic, Gram-stain-negative, short rod-shaped, non-motile and non-sporulating bacterium, designed strain 8-1b, was isolated from seaweed collected from the intertidal zone of Zhoushan sea area, East China Sea. Strain 8-1b grew at 4–39 °C (optimum, 28–32 °C) and at pH 6.0–9.5 (optimum, 7.0–8.5), and with 0.5–8 % (w/v) NaCl (optimum, 1–3 %) and 0.5–10 % (w/v) sea salts (optimum, 2–3 %). Analysis of 16S rRNA gene sequences revealed that strain 8-1b was related closely to JCM 15070 (96.7 % similarity). The DNA G+C content of strain 8-1b was 36.6 mol%. Compared with reference strains, cells of strain 8-1b showed positive activities for HS production and utilization of -mannose, -lactic acid, -asparagine and glycyl -aspartic acid. The major fatty acids of strain 8-1b were iso-C, iso-C 3-OH, iso-C G and iso-Cω9. The main respiratory quinone was menaquinone 6. The polar lipids of strain 8-1b consisted of phosphatidylethanolamine (PE), three uncharacterized aminolipids (AL1–3), four uncharacterized glycolipids (GL1–4) and five uncharacterized lipids (L1–5). Based on the phenotypic and genotypic characterization, strain 8-1b represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is strain 8-1b ( = CGMCC 1.11023 = JCM 18497). Emended descriptions of and are also presented.

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2013-09-01
2019-10-20
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