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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo International Journal of Systematic and Evolutionary Microbiology

Volume 64, Issue Pt_4

sp. nov., isolated from the junction between the ocean and a freshwater spring Free

Abstract

A Gram-reaction-negative, aerobic, non-spore-forming, non-motile and rod-shaped or ovoid bacterial strain, designated SSK6-1, was isolated from the zone where the ocean and a freshwater spring meet at Jeju island, South Korea. Strain SSK6-1 grew optimally at 30 °C, at pH 7.0–7.5 and in the presence of 2.0 % (w/v) NaCl. Phylogenetic trees based on 16S rRNA gene sequences revealed that strain SSK6-1 clustered with TF-218 and LMG 24369, exhibiting sequence similarities of 98.6 and 98.3 %, respectively. The novel strain exhibited sequence similarities of 94.6–97.8 % to the type strains of other recognized species of the genera and . Strain SSK6-1 contained Q-10 as the predominant ubiquinone and Cω7 and 11-methyl Cω7 as the major fatty acids. The major polar lipids of strain SSK6-1 were phosphatidylcholine, phosphatidylglycerol, phosphatidylethanolamine, one unidentified aminolipid and one unidentified lipid. The DNA G+C content of strain SSK6-1 was 64.6 mol% and its DNA–DNA relatedness values with TF-218 and were 21 and 25 %, respectively. The differential phenotypic properties, together with phylogenetic and genetic distinctiveness, revealed that strain SSK6-1 is separate from recognized species. On the basis of the data presented, strain SSK6-1 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is SSK6-1 ( = KCTC 32538 = CECT 8399).

  • Published Online:
Funding
This study was supported by the:
  • National Institute of Biological Resources (NIBR)
  • Ministry of Environment (MOE)
  • Ministry of Science, ICT & Future Planning (MSIP)
© 2014 IUMS
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2014-04-01
2025-03-19
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Phaeobacter aquaemixtae sp. nov., isolated from the junction between the ocean and a freshwater spring
Int J Syst Evol Microbiol 64, 1378 (2014); https://doi.org/10.1099/ijs.0.057646-0
/content/journal/ijsem/10.1099/ijs.0.057646-0
/content/journal/ijsem/10.1099/ijs.0.057646-0
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