Distribution of Symbiobacterium thermophilum and Related Bacteria in the Marine Environment

Takafumi SUGIHARA; Tomo-o WATSUJI; Shin KUBOTA; Kazune YAMADA; Kaori OKA; Kiyoshi WATANABE; Michiko MEGURO; Emi SAWADA; Kiyoshi YOSHIHARA; Kenji UEDA; Teruhiko BEPPU

doi:10.1271/bbb.70619

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Distribution of Symbiobacterium thermophilum and Related Bacteria in the Marine Environment

Takafumi SUGIHARA, Tomo-o WATSUJI, Shin KUBOTA, Kazune YAMADA, Kaori OKA, Kiyoshi WATANABE, Michiko MEGURO, Emi SAWADA, Kiyoshi YOSHIHARA, Kenji UEDA, Teruhiko BEPPU

著者情報

キーワード: Symbiobacterium, distribution, marine environment, uncultured microorganism, oyster shell

ジャーナルフリー早期公開

論文ID: 70619

DOI https://doi.org/10.1271/bbb.70619

この記事には本公開記事があります。

The final version of this article is now available: Vol. 72 (2008) , No. 1 p.204

詳細

抄録

We study the ecological distribution of a unique syntrophic bacterium, Symbiobacterium thermophilum, and related bacteria. In this study, we found that they were frequently obtained from seashells and several marine samples. Symbiobacterium also grew from sterilized oyster shells incubated undersea for 2 or 3 months on the coast of Shimoda, Shizuoka, Japan. 16S rRNA gene-based phylogeny of the clones obtained from the Symbiobacterium-positive cultures demonstrated the potential diversity of this bacterial group, which constitutes a distinct clade between Actinobacteria and Firmicutes. We successfully isolated two new Symbiobacterium strains from oyster shells. 16S rRNA gene-based phylogeny indicated that one belongs to S. thermophilum, and that the other is affiliated with a different species. We also isolated Ureibacillius spp., which showed activity supporting the growth of S. thermophilum.

責任著者(Corresponding author)

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