Roseomonas algicola sp. Nov., isolated from a green alga, pediastrum duplex
- Authors
- Kim, Hyung Min; Khan, Shehzad Abid; Han, Dong Min; Chun, Byung Hee; Jeon, Che Ok
- Issue Date
- 2020
- Publisher
- Microbiology Society
- Keywords
- Alphaproteobacteria; Green algax; New taxa; Pediastrum duplex; Roseomonas algicola
- Citation
- International Journal of Systematic and Evolutionary Microbiology, v.70, no.11, pp 5634 - 5639
- Pages
- 6
- Journal Title
- International Journal of Systematic and Evolutionary Microbiology
- Volume
- 70
- Number
- 11
- Start Page
- 5634
- End Page
- 5639
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/43758
- DOI
- 10.1099/ijsem.0.004454
- ISSN
- 1466-5026
1466-5034
- Abstract
- A Gram-stain-negative, strictly aerobic bacterium, designated strain PeD5T, was isolated from a green alga Pediastrum duplex from the Nakdong river of the Republic of Korea. Cells were non-motile cocci, catalase-negative and oxidase-positive. Growth of PeD5T was observed at 25–40 °C (optimum, 35 °C) and pH 5.0–10.0 (optimum, pH 7–8), and in the presence of 0–0.25% (w/v) NaCl (optimum, 0%). PeD5T contained C16:0, C18:1 ω7c 11-methyl, summed feature 3 (comprising C16:1 ω7c and/or C16:1 ω6c) and summed feature 8 (comprising C18:1 ω7c and/or C18:1 ω6c) as major cellular fatty acids (>5%) and ubiquinone-10 as the sole isoprenoid quinone. Phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, an unidentified phospholipid and an unidentified aminolipid were detected as major polar lipids. The genomic DNA G+C content of PeD5T was 71.0 mol%. PeD5T was most closely related to Roseomonas stagni HS-69T with a 97.6% 16S rRNA sequence similarity and shared less than 96.3% 16S rRNA sequence similarities with type strains of other species. Phylogenetic analysis based on 16S rRNA gene sequences indicated that PeD5T formed a phyletic lineage with Roseomonas stagni HS-69T within the genus Roseomonas. On the basis of results of phenotypic, chemotaxonomic and molecular analysis, strain PeD5T clearly represents a novel species of the genus Roseomonas, for which the name Roseomonas algicola sp. nov. is proposed. The type strain is PeD5T (=KACC 19925T=JCM 33309T). © 2020 The Authors.
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