1887

Abstract

A novel Gram-stain-negative, horseshoe-shaped, non-motile bacterium, designated strain KD51, forming colonies coloured pink by carotenoid pigments, was isolated from aggregates of the alga collected from the coastal sea off the city of Xiamen, Fujian Province, China. 16S rRNA gene sequence comparison showed that strain KD51 was a member of the genus , forming a distinct lineage with HY9. The 16S rRNA gene sequence similarity between strain KD51 and the type strains of species of the genus ranged from 92.1 % to 95.2 %. Growth occurred at 4–40 °C (optimum, 28 °C), in the presence of 3–9 % NaCl (optimum, 3–5 %) and at pH 6–10 (optimum, pH 7.5). The dominant fatty acids (>20 %) of strain KD51 were iso-C (32.2 %) and summed feature 3 (comprising Cω7 and/or Cω6; 22.2 %). The DNA G+C content was 41.7 mol% and the only respiratory quinone was menaquinone-7. On the basis of phenotypic data and phylogenetic inference, strain KD51 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is KD51 ( = CGMCC 1.12432 = KCTC 32253). An emended description of the genus is also proposed.

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2014-03-01
2019-10-14
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