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Volume 72, Issue 3

sp. nov., a poly--hydroxyalkanoates-producing bacterium isolated from sediment of the Dapeng peninsula (Guangdong, China) No Access

Abstract

A Gram-negative, obligate aerobic, non-motile, rod-shaped bacterium lacking a flagellum, was isolated from sediment sampled at the Dapeng peninsula of Shenzhen, Guangdong, China, and designated strain DP4N28-5. Growth of strain DP4N28-5 occurred at 15–45 °C (optimum at 30 °C), pH 6.0–8.0 (optimum at 6.0) and in 2.0–10.0 % NaCl (w/v; optimum at 2.0–3.0 %). The 16S rRNA gene sequence analysis revealed that strain DP4N28-5 was most closely related to DSM 100037 (97.6 %; sequence similarity). The strain synthesized a trace amount of poly--hydroxybutyrate. The dominant cellular fatty acids were summed feature 8 (C 6 and/or C 7), C, 11-mehtyl C c and C 2-OH. The major polar lipids included phosphatidylethanolamine, phosphatidylglycerol, phosphatidylmethylethanolamine, one unidentified aminophospholipid, three unidentified aminolipids and four unidentified lipids. The respiratory quinone was Q-10. The DNA G+C content was 62.0 mol% and the estimated genome size was 3.9 Mbp. The calculated average nucleotide value between strain DP4N28-5 and DSM 100037 was 78.1 %. The phenotypic, genotypic and chemotaxonomic differences between strain DP4N28-5 and its phylogenetic relatives indicate that DP4N28-5 represents a novel species in the genus , for which the name sp. nov. is proposed. The type strain is DP4N28-5 (=MCCC 1K05640=KCTC 82805). The description of genus was emended to include this new species.

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  • Accepted:
  • Published Online:
Keyword(s): ANI , draft genome sequencing , Maritimibacter , poly-β-hydroxyalkanoates and sediment
Funding
This study was supported by the:
  • China Postdoctoral Science Foundation (Award 2019M662806)
    • Principle Award Recipient: Wei-shuangZheng
  • Key Program of Marine Economy Development (Six Marine Industries) Special Foundation of Department of Natural Resources of Guangdong Province (Award GDNRC[2020]034)
    • Principle Award Recipient: NotApplicable
© 2022 The Authors
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2022-03-25
2024-05-01
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Maritimibacter dapengensis sp. nov., a poly-β-hydroxyalkanoates-producing bacterium isolated from sediment of the Dapeng peninsula (Guangdong, China)
Int J Syst Evol Microbiol 72, 005303 (2022); https://doi.org/10.1099/ijsem.0.005303
/content/journal/ijsem/10.1099/ijsem.0.005303
/content/journal/ijsem/10.1099/ijsem.0.005303
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