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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 66, Issue 8

sp. nov., a moderately thermophilic sulfate-reducing and dissimilatory Fe(III)-reducing bacterium isolated from compost Free

Abstract

A novel dissimilatory Fe(III)-reducing bacterium, designated strain GSS09, was isolated from a compost sample by using a solid medium containing acetate and ferrihydrite as electron donor and electron acceptor, respectively. Cells of strain GSS09 were anaerobic, Gram-stain-positive, motile, endospore-forming and rod-shaped. Growth occurred at 30–55 °C (optimum 50 °C), at pH 6.5–9.0 (optimum pH 7.5) and in the presence of 0–3 % (w/v) NaCl (optimum 1 %). Both sulfur compounds such as sulfate, sulfite and thiosulfate and Fe(III) oxides such as ferrihydrite could be utilized as electron acceptors. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain GSS09 was related closely to Lam5 (94.5 % sequence similarity). The major fatty acids were C and C 7/C 6 The G+C content of the genomic DNA was 49.1 mol%. On the basis of phylogenetic analysis, phenotypic characterization and physiological tests, strain GSS09 is considered to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is GSS09 (=KCTC 15523=MCCC 1K01254).

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  • Accepted:
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Keyword(s): Desulfotomaculum ferrireducens sp. nov. , Fe(III)-reducing and polyphasic taxonomic characteristics
© 2016 IUMS
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2016-08-01
2024-04-18
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Desulfotomaculum ferrireducens sp. nov., a moderately thermophilic sulfate-reducing and dissimilatory Fe(III)-reducing bacterium isolated from compost
Int J Syst Evol Microbiol 66, 3022 (2016); https://doi.org/10.1099/ijsem.0.001139
/content/journal/ijsem/10.1099/ijsem.0.001139
/content/journal/ijsem/10.1099/ijsem.0.001139
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