Abstract
A Gram-negative, non-motile, short rod-shaped aerobic bacterial strain CAU 1593T was isolated from a coastal sand sample collected in the Republic of Korea. Cells of strain CAU 1593T grew optimally at 30 °C and pH 7.5 in 4% (w/v) NaCl. Phylogenetic analysis based on the 16S rRNA gene sequence revealed that strain CAU 1593T had the highest similarity to Arenibacterium halophilum (97.5%). The whole genome of strain CAU 1593T was 3,979,826 bp with 26 contigs, and the DNA G + C content was 64.3 mol%. The major fatty acid of strain CAU 1593 T was summed feature 8 (C18:1 ω7c/C18:1 ω6c). Q-10 was the only respiratory quinone. The polar lipids were composed of diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, two phosphoglycolipids, an unidentified glycolipid, and an unidentified lipid. Based on the results of chemotaxonomic, phylogenetic, and phenotypic analyses, strain CAU 1593T represents a novel species in the genus Arenibacterium, which is named Arenibacterium arenosum sp. nov. The type strain is CAU 1593T (= KCTC 82402T = MCCC 1K05671T).
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The 16S rRNA sequence and whole-genome sequence of strain CAU 1593T can be obtained from GenBank/EMBL/DDBJ (MN542357 and JAELVR000000000, respectively).
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Funding
This study was supported by a Grant from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea (NIBR201902203) and the Chung-Ang University Research Grants in 2021.
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Conceived and designed the experiments: WK, J-HY, conducted the experiments: JJ, VW, MKS, HSK, J-SL, analyzed the data: J-HK, J-HY, AS. contributed reagents, materials, and analysis tools: WK, wrote the paper: JJ, WK.
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Communicated by Erko Stackebrandt.
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Jeong, J., Weerawongwiwat, V., Kim, JH. et al. Arenibacterium arenosum sp. nov., isolated from sea sand. Arch Microbiol 204, 147 (2022). https://doi.org/10.1007/s00203-022-02760-w
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DOI: https://doi.org/10.1007/s00203-022-02760-w