Desulfovibrio magneticus sp. nov., a novel sulfate-reducing bacterium that produces intracellular single-domain-sized magnetite particles

Toshifumi Sakaguchi, Atsushi Arakaki, Tadashi Matsunaga*

*この研究の対応する著者

研究成果: Article査読

103 被引用数 (Scopus)

抄録

A novel type of dissimilatory sulfate-reducing bacterium, designated strain RS-1T, capable of producing intracellular magnetite particles (magnetosomes) was isolated from freshwater sulfide-rich sediments. Phylogenetic analysis based on 16S rDNA sequences revealed that RS-1T is a member of the genus Desulfovibrio. Its closest known relative is Desulfovibrio burkinensis (sequence similarity of 98.7%). Strain RS-1T contains desulfoviridin, c-type cytochromes and, unlike other Desulfovibrio spp., it possesses menaquinone MK-7(H2) instead of MK-6 or MK-6(H2). Strain RS-1T is also unique compared with other members of Desulfovibrio in its ability to synthesize intracellular magnetite particles. A novel species, Desulfovibrio magneticus sp. nov., is proposed for RS-1T (= ATCC 700980T = DSM 13731T), a sulfate-reducing magnetotactic bacterium.

本文言語English
ページ(範囲)215-221
ページ数7
ジャーナルInternational Journal of Systematic and Evolutionary Microbiology
52
1
出版ステータスPublished - 2002
外部発表はい

ASJC Scopus subject areas

  • 微生物学
  • 応用微生物学とバイオテクノロジー
  • 生態、進化、行動および分類学
  • 免疫学

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