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Volume 70, Issue 4

sp. nov., a bacterium isolated from marine sediment of the Canadian Beaufort Sea Free

Abstract

A Gram-stain-negative, aerobic, yellow-pigmented, flexirubin-negative, rod-shaped and non-motile bacterial strain, PAMC 28998, was isolated from a surface sediment sample collected from the Canadian Beaufort Sea. Strain PAMC 28998 grew at 4–37 °C (optimum, 25 °C), at pH 7.0–9.0 (optimum, pH 7.5) and in the presence of 1.0–10.0 % (w/v) NaCl. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that strain PAMC 28998 belongs to the genus showing the highest sequence similarity (96.8 %) with JB01H24. The average nucleotide identity and genome-to-genome distance values between PAMC 28998 and the most closely related species ( JB01H24) were 74.1 and 18.5 %, respectively, indicating that strain PAMC 28998 is clearly distinguished from . The genomic DNA G+C content calculated from genome sequences was 39.8 %. The major fatty acids (>10 %) were iso-C (19.5 %), anteiso-C (18.0 %), iso-C (11.6 %) and summed feature 3 (C ω6 and/or Cω7; 11.4 %). The major polar lipids were phosphatidylethanolamine, aminoglycolipid, two unidentified aminolipids, three unidentified phospholipids and four unidentified lipids. The major respiratory quinone was MK-6. Based on the phylogenetic, genomic and phenotypic data presented here, strain PAMC 28998 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed with the strain PAMC 28998 (=KCCM 43316 =JCM 33514).

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  • Accepted:
  • Revised:
  • Published Online:
Keyword(s): Antarcticibacterium arcticum sp. nov. , Arctic , Beaufort Sea and polyphasic taxonomy
© 2020 The Authors
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2020-03-26
2024-05-01
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Antarcticibacterium arcticum sp. nov., a bacterium isolated from marine sediment of the Canadian Beaufort Sea
Int J Syst Evol Microbiol 70, 2912 (2020); https://doi.org/10.1099/ijsem.0.004122
/content/journal/ijsem/10.1099/ijsem.0.004122
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