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Int J Syst Evol Microbiol 59 (2009), 2491-2495; DOI  10.1099/ijs.0.005710-0
© 2009 International Union of Microbiological Societies

Pedobacter oryzae sp. nov., isolated from rice paddy soil

Yeji Jeon1, Jeong Myeong Kim2, Jin Ho Park1, Se Hee Lee2, Chi-Nam Seong3, Sang-Suk Lee4 and Che Ok Jeon2

1 Environmental Biotechnology National Core Research Center, Gyeongsang National University, Jinju 660-701, Republic of Korea
2 Department of Life Science, Chung-Ang University, Seoul 156-756, Republic of Korea
3 Department of Biology, Sunchon National University, Sunchon 540-742, Republic of Korea
4 Department of Animal Science & Technology, Sunchon National University, Sunchon 540-742, Republic of Korea

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

A Gram-stain-negative, strictly aerobic bacterium, designated strain N7T, was isolated from a rice paddy in South Korea. Cells of strain N7T were non-motile, non-spore-forming rods. Growth was observed at 15–35 °C (optimum of 25–30 °C) and between pH 6.0 and 8.0 (optimum of pH 6.5–7.5). The predominant isoprenoid quinone was menaquinone-7. The major cellular fatty acids of strain N7T were summed feature 3 (comprising C16 : 1{omega}7c and/or iso-C15 : 0 2-OH), iso-C15 : 0, anteiso-C15 : 0, C15 : 0 and iso-C16 : 0. The G+C content of the genomic DNA was 37.7 mol%. Comparative 16S rRNA gene sequence analyses showed that strain N7T formed a distinct phyletic line within the genus Pedobacter. Phylogenetic distances from strains of other Pedobacter species with validly published names were greater than 5.0 % (i.e. <95.0 % 16S rRNA gene sequence similarities). On the basis of phenotypic and molecular data, it is clear that strain N7T represents a novel species within the genus Pedobacter, for which the name Pedobacter oryzae sp. nov. is proposed. The type strain is N7T (=KACC 12821T =DSM 19973T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain N7T is EU109726.

A transmission electron micrograph of a cell of strain N7T is available as supplementary material with the online version of this paper.






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