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Int J Syst Evol Microbiol 59 (2009), 806-810; DOI  10.1099/ijs.0.004143-0
© 2009 International Union of Microbiological Societies

Pseudozobellia thermophila gen. nov., sp. nov., a bacterium of the family Flavobacteriaceae, isolated from the green alga Ulva fenestrata

Olga I. Nedashkovskaya1, Makoto Suzuki2, Jung-Sook Lee3, Keun Chul Lee3, Lyudmila S. Shevchenko1 and Valery V. Mikhailov1

1 Pacific Institute of Bioorganic Chemistry of the Far-Eastern Branch of the Russian Academy of Sciences, Pr. 100 let Vladivostoku 159, 690022 Vladivostock, Russia
2 BioFrontier Laboratories, 3-6-6 Asahi-machi, Machida-shi, Tokyo 194-8533, Japan
3 Korean Collection for Type Cultures, Genetic Resources Center, Korea Institute of Bioscience and Biotechnology, Yusong, Daejon 305-333, Republic of Korea

Correspondence
Olga I. Nedashkovskaya
olganedashkovska{at}yahoo.com

Two novel aerobic, dark-orange-pigmented, Gram-negative bacterial strains, designated KMM 3531T and KMM 3953, were isolated from the green alga Ulva fenestrata. Analysis of the 16S rRNA gene sequences showed that the strains represented a novel lineage within the family Flavobacteriaceae. The most closely related genera with validly published names were Costertonia, Flagellimonas, Kriegella, Maribacter, Muricauda and Zobellia, with 16S rRNA gene sequence similarities of 93.3–91.8 %. Cells of strains KMM 3531T and KMM 3953 were rod-shaped, motile by gliding and grew at temperatures up to 49 °C. They produced acid from carbohydrates and possessed oxidase, catalase, β-galactosidase and agarase activities. The predominant cellular fatty acids were iso-C15 : 0, iso-C17 : 0 3-OH, iso-C15 : 1 G, summed feature 3 (comprising C16 : 1{omega}7c and/or iso-C15 : 0 2-OH), iso-C17 : 1{omega}9c and iso-C15 : 0 3-OH. The DNA G+C content was 47–49 mol%. On the basis of phenotypic and genotypic characteristics, strains KMM 3531T and KMM 3953 represent a novel genus and species, for which the name Pseudozobellia thermophila gen. nov., sp. nov. is proposed. The type strain is KMM 3531T (=DSM 19858T=JCM 11733T=KCTC 22016T).

The GenBank/EMBL/DDBJ accession number for the 16S rRNA gene sequences of strains KMM 3531T and KMM 3953 are AB084261 and EU616814, respectively.






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