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Int J Syst Evol Microbiol 58 (2008), 2271-2274; DOI  10.1099/ijs.0.65489-0
© 2008 International Union of Microbiological Societies

Rheinheimera soli sp. nov., a gammaproteobacterium isolated from soil in Korea

Seung Hyun Ryu1, Bok Sil Chung1, Minjeong Park1, Seung Sik Lee1, Sang-Suk Lee2 and Che Ok Jeon3

1 Division of Applied Life Science (BK21 Program), EB-NCRC, Gyeongsang National University, Jinju 660-701, Republic of Korea
2 Department of Animal Science & Technology, Sunchon National University, Sunchon 540-742, Republic of Korea
3 Department of Life Science, Chung-Ang University, Seoul 156-756, Republic of Korea

Correspondence
Che Ok Jeon
cojeon{at}cau.ac.kr

A Gram-negative, non-spore-forming bacterium, designated strain BD-d46T, was isolated from a playground soil sample in Jinju, South Korea. Cells were straight or curved rods and showed catalase- and oxidase-positive reactions. Growth of strain BD-d46T was observed between 15 and 35 °C (optimum 25–30 °C) and between pH 6.5 and 8.0 (optimum pH 7.0–7.5). The predominant fatty acids were summed feature 3 (C16 : 1{omega}7c and/or iso-C15 : 0 2-OH), C12 : 0 3-OH and C16 : 0. Strain BD-d46T contained phosphatidylethanolamine and phosphatidylglycerol as major polar lipids. Isoprenoid quinones were Q-8 (75 %) and MK-7 (25 %). The G+C content of the genomic DNA was 49.2 mol%. Phylogenetic analysis based on 16S rRNA gene sequences showed that strain BD-d46T formed a distinct lineage with Rheinheimera chironomi K19414T within the genus Rheinheimera. Levels of 16S rRNA gene sequence similarity between strain BD-d46T and the type strains of recognized Rheinheimera species ranged from 94.4 to 96.9 %. On the basis of chemotaxonomic data and molecular properties, strain BD-d46T is considered to represent a novel species of the genus Rheinheimera, for which the name Rheinheimera soli sp. nov. is proposed. The type strain is BD-d46T (=KCTC 22077T =DSM 19413T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain BD-d46T is EF575565.

A transmission electron micrograph of a negatively stained cell and a table detailing the cellular fatty acid composition of strain BD-d46T and TLC of polar lipids of strain BD-d46T and R. chironomi K19414T are available as supplementary material with the online version of this paper.






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