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 language | English |
|---|---|
| Pages (from-to) | 277-282 |
| Number of pages | 6 |
| Journal | FEMS Microbiology Letters |
| Volume | 126 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1995 Mar 1 |
| Externally published | Yes |
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
- Microbiology
- Molecular Biology
- Genetics
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Cite this
Kawaguchi, R., Burgess, J. G., Sakaguchi, T., Takeyama, H., Thornhill, R. H., & Matsunaga, T. (1995). Phylogenetic analysis of a novel sulfate-reducing magnetic bacterium, RS-1, demonstrates its membership of the δ-Proteobacteria. FEMS Microbiology Letters, 126(3), 277-282. https://doi.org/10.1016/0378-1097(95)00023-X