Abstract
A Gram-staining-negative, aerobic and pear-shaped bacterial strain, designated WL0036T, was isolated from coastal sediment sample collected in Nantong city, Jiangsu province of China (120° 51′ 13″ E, 32° 6′ 26″ N) in October 2020. Strain WL0036T was found to grow at 20–37 °C (optimum, 28 °C) with 0–9.0% NaCl (optimum, 2.5–4.0%) and displayed alkaliphilic growth with the pH range of pH 6.0–10.0 (optimum, pH 7.0–8.0). The polar lipids profile of strain WL0036T included phosphatidylcholine, phosphatidylethanolamine, glycolipid and an unidentified lipid. The major isoprenoid quinone was determined to be Q-11 and the major fatty acids were C16:0, 11-methyl-C18:1ω7c, and summed features 8 (C18:1ω6c and/or C18:1ω7c). The G + C content of genomic DNA was 61.8%. Phylogenetic trees constructed based on 16S rRNA gene sequence and bac120 gene set (a collection of 120 single-copy protein sequences prevalent in bacteria) indicted that strain WL0036T clustered with strains Hyphomonas neptunium ATCC 15444T and H. polymorpha PS728T. The average nucleotide identities between strain WL0036T and strains H. neptunium ATCC 15444T and H. polymorpha PS728T were 80.7% and 81.2%, respectively. Strain WL0036T showed 22.8% and 23.2% of digital DNA-DNA hybridization identities with H. neptunium ATCC 15444T and H. polymorpha PS728T, respectively. As inferred from the phenotypic and genotypic characteristics and the phylogenetic trees, strain WL0036T ought to be recognized as a novel species in genus Hyphomonas, for which the name Hyphomonas sediminis sp. nov. is proposed. The type strain is WL0036T (= MCCC 1K05843T = JCM 34658T = GDMCC 1.2413T).
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Data availability
All of the data supporting the conclusions of this article are included within the article and its additional files. The genome datasets and the 16S rRNA gene sequence of Hyphomonas sediminis WL0036T generated during the current study are available in the GenBank/EMBL/DDBJ repository under accession number JAIEZP000000000 and OL605964. Other datasets used and/or analyzed during the current study are available from the corresponding author upon reasonable request. Other genome sequence data detailed information was listed in Suppl. Table S1.
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This research was supported by the National Natural Science Foundation of China (No. 31900001), the China Postdoctoral Science Foundation (2020M671312) and the Fundamental Research Funds for the Central Universities (B210202140).
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DFZ and WJL designed research and project outline. LW and DFZ performed isolation, deposition and polyphasic taxonomy. DFZ, LW and WH performed genome analysis. LW, WJL AHZ and DFZ drafted the manuscript. AHZ, WH, ZYG, JKH and CL revised the manuscript. All authors read and approved the final manuscript.
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Wang, L., He, W., Gao, ZY. et al. Hyphomonas sediminis sp. nov., isolated from marine sediment. Antonie van Leeuwenhoek 115, 1177–1185 (2022). https://doi.org/10.1007/s10482-022-01765-1
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DOI: https://doi.org/10.1007/s10482-022-01765-1