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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo International Journal of Systematic and Evolutionary Microbiology

Volume 73, Issue 4

sp. nov., isolated from phytoplankton sample from the south coast of the Republic of Korea No Access

Abstract

A novel bacterial strain, designated as GY-18, was isolated from particulate material sampled from the Korean south coast. The bacterium was Gram-stain-negative, aerobic and rod-shaped. Oxidase and catalase were positive. Optimal growth was observed at 30 °C, pH 7.0, in the presence of 1 % (w/v) NaCl. Phylogenetic analyses based on 16S rRNA gene and whole-genome sequences suggested that strain GY-18 was a member of the genus , but represented a separate lineage. The 16S rRNA gene sequence of strain GY-18 showed high similarities to KCTC 12566 (98.4 %), KCTC 23429 (92.2 %), KCTC 42300 (92.4 %) and KCTC 62383 (92.2 %), respectively. The genome length of strain GY-18 was 3 808 450 bp with a DNA G+C content of 47.8 mol %. The major cellular fatty acids of strain GY-18 were summed feature 3 (comprising C 7 and/or C 6), C and C 3-OH (>10 %). Diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and phospholipids were shown to be the major polar lipids. The predominant isoprenoid quinone was Q-8. Based on phylogenetic, phenotypic, chemotaxonomic and genomic features, we propose that strain GY-18 represents a novel species in the genus of the family , with the proposed name sp. nov. The type strain is GY-18 (=KCTC 92290=GDMCC 1.3586).

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Keyword(s): 16S rRNA gene , marine bacterium , phylogeny , polyphasic taxonomy and whole-genome
© 2023 The Authors
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2023-04-26
2025-03-26
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Dasania phycosphaerae sp. nov., isolated from phytoplankton sample from the south coast of the Republic of Korea
Int J Syst Evol Microbiol 73, 005768 (2023); https://doi.org/10.1099/ijsem.0.005768
/content/journal/ijsem/10.1099/ijsem.0.005768
/content/journal/ijsem/10.1099/ijsem.0.005768
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