Phylogenetic analysis of a novel sulfate-reducing magnetic bacterium, RS-1, demonstrates its membership of the δ-Proteobacteria

Ryuji Kawaguchi, J. Grant Burgess, Toshifumi Sakaguchi, Haruko Takeyama, Richard H. Thornhill, Tadashi Matsunaga

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Most of the 16S ribosomal RNA gene of a sulfate-reducing magnetic bacterium, RS-1, was sequenced, and phylogenetic analysis was carried out. The results suggest that RS-1 is a member of the δ-Proteobacteria, and it appears to represent a new genus. RS-1 is the first bacterium reported outside the α-Proteobacteria that contains magnetite inclusions. RS-1 therefore disrupts the correlation between the α-Proteobacteria and possession of magnetite inclusions, and that between the δ-Proteobacteria and possession of greigite inclusions. The existence of RS-1 also suggests that intracellular magnetite biomineralization is of multiple evolutionary origins.

Original languageEnglish
Pages (from-to)277-282
Number of pages6
JournalFEMS Microbiology Letters
Volume126
Issue number3
DOIs
Publication statusPublished - 1995 Mar 1
Externally publishedYes

Fingerprint

Proteobacteria
Ferrosoferric Oxide
Sulfates
Bacteria
16S Ribosomal RNA
rRNA Genes

Keywords

  • 16S ribosomal RNA
  • Bean-shaped magnetic inclusions
  • Evolution of magnetite biomineralization
  • Magnetic bacteria
  • RS-1
  • Sulfate-reducing magnetic bacteria
  • δ-Proteobacteria

ASJC Scopus subject areas

  • Genetics
  • Molecular Biology
  • Microbiology
  • Applied Microbiology and Biotechnology

Cite this

Phylogenetic analysis of a novel sulfate-reducing magnetic bacterium, RS-1, demonstrates its membership of the δ-Proteobacteria. / Kawaguchi, Ryuji; Burgess, J. Grant; Sakaguchi, Toshifumi; Takeyama, Haruko; Thornhill, Richard H.; Matsunaga, Tadashi.

In: FEMS Microbiology Letters, Vol. 126, No. 3, 01.03.1995, p. 277-282.

Research output: Contribution to journalArticle

Kawaguchi, Ryuji ; Burgess, J. Grant ; Sakaguchi, Toshifumi ; Takeyama, Haruko ; Thornhill, Richard H. ; Matsunaga, Tadashi. / Phylogenetic analysis of a novel sulfate-reducing magnetic bacterium, RS-1, demonstrates its membership of the δ-Proteobacteria. In: FEMS Microbiology Letters. 1995 ; Vol. 126, No. 3. pp. 277-282.
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