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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 71, Issue 7

sp. nov., a marine bacterium isolated from salt flat sediment No Access

Abstract

A Gram-stain-negative, aerobic, pale yellow-coloured, rod-shaped marine bacterium designated strain YJ-S2-02 was isolated from salt flat sediment sampled in Yongyu-do, Republic of Korea. Strain YJ-S2-02 grew at pH 6.0–9.0 (optimum, pH 7.0), 10–40 °C (optimum, 30 °C) and with optimum 1 % (w/v) NaCl. The 16S rRNA gene sequence analysis indicated that strain YJ-S2-02 was closely related to NBRC 102051 (97.8 %) followed by SM117 (97.5 %), H25 (97.3 %), US6-1 (96.8 %), STM-14 (96.6 %), EGI60015 (96.5 %), D39 (96.5 %) and MUSC 273 (95.9 %). The average nucleotide identity and estimated DNA–DNA hybridization values between YJ-S2-02 and related type strains were 77.0–77.9 % and 19.1–24.0 %. Strain YJ-S2-02 was characterized as having Q-10 as the predominant respiratory quinone and the principal fatty acids (>10 %) were summed feature 8 (C cω7, 20.7 %), C 6 (16.3 %) and C 6 (11.8 %). The polar lipids consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, sphingolipids and two unidentified lipids. The DNA G+C content of strain YJ-S2-02 was 65.6 mol%. On the basis of the polyphasic taxonomic evidence presented in this study, YJ-S2-02 should be classified as representing a novel species within the genus , for which name is proposed, with the type strain YJ-S2-02 (=KACC 21677 =KCTC 72891=JCM 33996).

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  • Accepted:
  • Published Online:
Keyword(s): marine bacteria , Novosphingobium , salt flat and Sphingomonadaceae
Funding
This study was supported by the:
  • korea university grant
    • Principle Award Recipient: YeonjaeYoo
  • ministry of oceans and fisheries (Award 20170318 and 20170325)
    • Principle Award Recipient: YeonjaeYoo
© 2021 The Authors
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2021-07-30
2024-05-02
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Novosphingobium aureum sp. nov., a marine bacterium isolated from salt flat sediment
Int J Syst Evol Microbiol 71, 004930 (2021); https://doi.org/10.1099/ijsem.0.004930
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