1887

Abstract

A bacterial strain, designated SW-3, was isolated from the reef-building coral , from Southern Taiwan, and was characterized by using a polyphasic taxonomic approach. Cells of strain SW-3 were Gram-reaction-negative, aerobic, rod-shaped and motile by means of monopolar flagella and formed cream–white colonies. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain SW-3 belonged to the genus and its most closely related neighbours were B7, DD-R11, KKL-A5, DSM 413 and R-1512, with sequence similarities of 96.8, 96.6, 96.1 , 95.8 and 94.9 %, respectively. Strain SW-3 exhibited optimal growth at 25–30 °C and pH 9–10 and in 3–5 % (w/v) NaCl. The predominant cellular fatty acid was summed feature 8 (Cω7 and/or Cω6; 75 %). The major respiratory quinone was Q-10. The polar lipid profile consisted of a mixture of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylcholine and several uncharacterized polar lipids. The DNA G+C content of strain SW-3 was 63.7 mol%. The results of physiological and biochemical tests allowed clear phenotypic differentiation of this isolate from recognized species of the genus . It is evident from the genotypic, phenotypic and chemotaxonomic data that strain SW-3 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is SW-3 ( = LMG 25205  = BCRC 17967).

Funding
This study was supported by the:
  • , Academia Sinica , (Award 20082010)
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2011-05-01
2020-10-24
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