1887

Abstract

A Gram-negative, motile, rod-shaped bacterial strain, designated HDW-15, was isolated from seawater of the Yellow Sea, Korea, and subjected to a polyphasic taxonomic study. Strain HDW-15 grew optimally at pH 7.0–8.0, at 25 °C and in the presence of 2 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain HDW-15 fell within the clade comprising species, joining the type strain of , with which it exhibited highest 16S rRNA gene sequence similarity (97.7 %). The 16S rRNA gene sequence similarity values between strain HDW-15 and the type strains of other species were in the range 93.7–97.2 %. Mean DNA–DNA relatedness values between strain HDW-15 and the type strains of , and were 5.0–9.9 %. The DNA G+C content of the isolate was 48.7 mol%. Strain HDW-15 contained Q-8 as the predominant ubiquinone and Cω7, summed feature 3 (Cω7 and/or iso-C 2-OH) and C as the major fatty acids. The major polar lipids found in strain HDW-15 were phosphatidylglycerol and phosphatidylethanolamine. Differential phenotypic properties, together with phylogenetic and genetic distinctiveness, showed that strain HDW-15 can be differentiated from other species. On the basis of the data presented, strain HDW-15 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is HDW-15 ( = KCTC 23661 = CCUG 61321).

Funding
This study was supported by the:
  • , Program for Collection, Management and Utilization of Biological Resources
  • , 21C Frontier Program of Microbial Genomics and Applications , (Award 11-2008-00-002-00)
  • , Ministry of Education, Science and Technology (MEST)
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2012-09-01
2020-10-31
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