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Int J Syst Evol Microbiol 58 (2008), 1907-1910; DOI  10.1099/ijs.0.65725-0
© 2008 International Union of Microbiological Societies

Shewanella basaltis sp. nov., a marine bacterium isolated from black sand

Ho-Won Chang1, Seong Woon Roh1,2, Kyoung-Ho Kim1, Young-Do Nam1,2, Che Ok Jeon3, Hee-Mock Oh1 and Jin-Woo Bae1,2,3

1 Biological Resources Center, KRIBB, Daejeon 305-806, Republic of Korea
2 Korea University of Science and Technology, 52 Eoeun-dong, Daejeon 305-333, Republic of Korea
3 Environmental Biotechnology National Core Research Center, Gyeongsang National University, Jinju 660-701, Republic of Korea

Correspondence
Jin-Woo Bae
baejw{at}kribb.re.kr

A Gram-negative, motile, rod-shaped bacterium was isolated from black sand collected at Soesoggak, Jeju island, Korea. The strain, designated J83T, was able to grow in the presence of 5 % NaCl, at temperatures of 4–45 °C and over the pH range 5.5–9.5. The isolate reduced nitrate to nitrite and was positive for oxidase, catalase, alkaline phosphatase and leucine arylamidase. Strain J83T utilized malate, maltose, mannitol and glucose as sole sources of carbon. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain J83T belongs to the class Gammaproteobacteria and is related to species of the genus Shewanella. Strain J83T exhibited 97.8 % 16S rRNA gene sequence similarity to the type strain of Shewanella hafniensis. Based on DNA–DNA hybridization, the level of relatedness between strain J83T and S. hafniensis NBRC 100975T was 39.3 %. On the basis of phenotypic, genetic and phylogenetic data, strain J83T is considered to represent a novel species of the genus Shewanella, for which the name Shewanella basaltis sp. nov. is proposed. The type strain is J83T (=KCTC 22121T =JCM 14937T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequence of strain J83T is EU143361.






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