1887

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Volume 67, Issue 9

sp. nov., isolated from the junction between the ocean and a freshwater spring, and emended description of the genus Free

Abstract

A Gram-stain-negative, non-motile, aerobic and ovoid or rod-shaped bacterium, designated JSSK-17, was isolated from the place where the ocean and a freshwater spring meet at Jeju island, South Korea. Strain JSSK-17 grew optimally at 30 °C, at pH 7.0–8.0 and in the presence of 1.0–2.0 % (w/v) NaCl. Phylogenetic trees, based on 16S rRNA gene sequences, showed that strain JSSK-17 clustered with the type strains of and , exhibiting sequence similarities of 98.1–98.2 %. Strain JSSK-17 and the type strains of and contained Q-10 as the predominant ubiquinone and Cω7 as the major fatty acid. The predominant polar lipids detected in strain JSSK-17 and the type strains of and were phosphatidylcholine, phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, one unidentified aminolipid, one unidentified glycolipid and one unidentified phospholipid. The DNA G+C content of strain JSSK-17 was 64.4 mol% and its DNA–DNA relatedness values with the type strains of and were 24 and 15 %, respectively. The differential phenotypic properties, together with the phylogenetic and genetic distinctiveness, revealed that strain JSSK-17 is separated from the two reference species of the genus . On the basis of the data presented, strain JSSK-17 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is JSSK-17 (=KCTC 52765=NBRC 112766).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): freshwater spring , novel species , polyphasic taxonomy , Puniceibacterium confluentis sp. nov and the ocean
© 2017 IUMS
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2017-09-01
2024-04-23
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Puniceibacterium confluentis sp. nov., isolated from the junction between the ocean and a freshwater spring, and emended description of the genus Puniceibacterium
Int J Syst Evol Microbiol 67, 3480 (2017); https://doi.org/10.1099/ijsem.0.002145
/content/journal/ijsem/10.1099/ijsem.0.002145
/content/journal/ijsem/10.1099/ijsem.0.002145
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