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Volume 70, Issue 12

sp. nov., a halophilic bacterium isolated from sediment of a salt flat Free

Abstract

A Gram-staining-negative, aerobic, cream-coloured, marine bacterium, with rod-shaped cells, designated strain YJ-S3-2, was isolated from salt flat sediment of Yongyu-do, Republic of Korea. YJ-S3-2 grew at pH 5.0–9.0 (optimum pH 7.0), 4–45 °C (optimum 30 °C) and with 1–18 % (w/v) NaCl (optimum 6 %). The results of 16S rRNA gene sequence analysis indicated that YJ-S3-2 was closely related to SS011B1-4 (97.0 %) followed by, '' D15-8W (96.7 %), 50-11 (96.7 %), DSMZ 179240 (96.5 %) and T17 (96.5 %). The average nucleotide identity (ANI) and the genome to genome distance calculator (GGDC) estimate values between YJ-S3-2 and related type strains were 73.7–79.8 and 19.9–22.5 %, and also 73.5 and 20.7 % with . YJ-S3-2 was characterized as having Q-9 as the predominant respiratory quinone and the principal fatty acids (>10 %) were C (22.3 %), summed feature 9 (Ciso ω9/C 10-methyl, 13.8 %) and 3 (Cω7C1ω6 11.9 %). The polar lipids consisted of diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, two unidentified aminolipids and two unidentified phospholipids. The DNA G+C content of YJ-S3-2 is 60.9 mol%. On the basis of the polyphasic taxonomic evidence presented in this study, YJ-S3-2 should be classified as representing a novel species within the genus , for which name sp. nov. is proposed, with the type strain YJ-S3-2 (=KACC 19883=KCTC 62937=JCM 33109).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): halophilic bacteria , Marinobacter , Proteobacteira and salt flat
Funding
This study was supported by the:
  • Ministry of Oceans and Fisheries (Award 20170318 and 20170325)
    • Principle Award Recipient: Yeonjae Yoo
© 2020 The Authors
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2020-10-20
2024-04-26
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Marinobacter halodurans sp. nov., a halophilic bacterium isolated from sediment of a salt flat
Int J Syst Evol Microbiol 70, 6294 (2020); https://doi.org/10.1099/ijsem.0.004530
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