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Volume 59, Issue 5

sp. nov., isolated from seaweed Free

Abstract

An aerobic, Gram-negative, catalase-positive, oxidase-positive bacterium was isolated from a dried seaweed sample collected from Kimnyeong Beach in Jeju, Republic of Korea. The cells of the organism, designated strain KY 101, were rods (0.4–0.5×1.2–2.7 μm) and motile by means of flagella. The colonies of the cells were 0.5–1 mm in diameter, smooth, circular, convex and light yellow in colour. The isolate showed growth at 10–40 °C, pH 6.1–12.1 and in the presence of 7 % NaCl. The major fatty acid was summed feature C 7/C 9/C 12 and the DNA G+C content was 60.4 mol%. 16S rRNA gene sequence studies showed that the organism was phylogenetically related to the family , with (99.1 % sequence similarity) as the closest neighbour. The level of DNA–DNA relatedness between strain KY 101 and DSM 15645 was 18.4–23.2 % (duplicate measurements). The combination of phenotypic differences and DNA–DNA hybridization data supports the suggestion that the isolate represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is strain KY 101 (=KACC 11904=JCM 14851).

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2009-05-01
2024-04-19
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Nitratireductor kimnyeongensis sp. nov., isolated from seaweed
Int J Syst Evol Microbiol 59, 1036 (2009); https://doi.org/10.1099/ijs.0.65734-0
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Transmission electron micrograph of cells of strain KY 101 . [PDF](84 KB)

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Cellular fatty acid compositions of strain KY 101 and DSM 15645 . [PDF](74 KB)

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