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Volume 71, Issue 10

sp. nov., an alginate lyase – producing marine bacterium No Access

Abstract

A Gram-stain-negative, non-motile, ellipsoid bacterium, designated HB182678, was isolated from brown alga collected from Hainan province, PR China. Growth was observed at 10–50 °C (optimum 37–40 °C), at pH 6–10 (optimum pH 8) and in the presence of 0.5–13% (w/v) NaCl (optimum, 2–4%). The predominant isoprenoid quinone was Q-10 and the major fatty acids were C ω7c, C, C and C cyclo . The polar lipids contained diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylmethylethanolamine, an unidentified phospholipid, two unidentified glycolipids and three unidentified aminophospholipids. The size of the draft genome was 4.40 Mbp with G+C content 68.8 mol%. Phylogenetic analysis of 16S rRNA gene sequence indicated that strain HB182678 belonged to the genus , and the closest phylogenetically related species was T1lg56 (with the similarity of 96.3%). Whole genome average nucleotide identity (ANI) value between them was 84.3% and DNA–DNA hybridization value was 27.2%. The combined phylogenetic relatedness, phenotypic and genotypic features supported the conclusion that strain HB182678 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is HB182678 (=MCCC 1K04624=KCTC 82318).

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  • Accepted:
  • Published Online:
Keyword(s): 16S rRNA gene , alginate lyase , Mangrovicoccus algicolasp. nov and polyphasic taxonomy
Funding
This study was supported by the:
  • Central Public-interest Scientific Institution Basal Research Fund, Chinese Academy of Fishery Sciences (CN) (Award 19CXTD-32)
    • Principle Award Recipient: HuiqinHuang
  • Financial Fund of the Ministry of Agriculture and Rural Affairs of China (Award NHYYSWZZZYKZX2020)
    • Principle Award Recipient: ShixiangBao
  • Key Research and Development Project of Hainan Province (Award ZDYF2020182)
    • Principle Award Recipient: HuiqinHuang
© 2021 The Authors
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2021-10-18
2024-04-20
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Mangrovicoccus algicola sp. nov., an alginate lyase – producing marine bacterium
Int J Syst Evol Microbiol 71, 004844 (2021); https://doi.org/10.1099/ijsem.0.004844
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