Aciditerrimonas ferrireducens gen. nov., sp. nov., an iron-reducing thermoacidophilic actinobacterium isolated from a solfataric field

International Journal of Systematic and Evolutionary Microbiology
Takashi ItohTomonori Takashina

Abstract

An iron-reducing, moderately thermophilic, acidophilic actinobacterium, strain IC-180(T), isolated from a solfataric field in Hakone, Japan, was subjected to polyphasic taxonomic analysis. Strain IC-180(T) was a motile, short rod-shaped, Gram-positive bacterium that was able to grow at temperatures of 35-58 °C (optimally at 50 °C) and at pH 2.0-4.5 (optimally at pH 3.0). The strain grew aerobically and heterotrophically. It also grew anaerobically or autotrophically by dissimilatory reduction of ferric iron. No oxidation of ferrous iron was observed. Major cellular fatty acids detected were iso-C(16 : 0), anteiso-C(17 : 0) and iso-C(18 : 0); the major menaquinone was MK-9(H(8)). Phosphatidyl-N-methylethanolamine and an unknown ninhydrin-positive phosphoglycolipid were detected. The total DNA G+C content was 74.1 mol%. 16S rRNA gene sequence comparisons revealed that strain IC-180(T) was a member of the order Acidimicrobiales and clustered coherently with uncultured actinobacteria from a geothermal site and a bioreactor operated under moderately thermophilic conditions. This cluster could be distinguished from the two other clusters comprising the families of this order, Acidimicrobiaceae and Iamiaceae, respectively. Based on th...Continue Reading

References

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Citations

Nov 28, 2015·International Journal of Systematic and Evolutionary Microbiology·Ileana Pérez-RodríguezDionysis I Foustoukos
Aug 6, 2015·MicrobiologyOpen·Lei FangYong Tang
Jan 1, 2014·Environmental Microbiology·Susana O L DireitoWilfred F M Röling
Oct 7, 2015·Frontiers in Microbiology·L Shivlata, Tulasi Satyanarayana
Feb 5, 2013·International Journal of Systematic and Evolutionary Microbiology·Long JinHee-Mock Oh
Mar 26, 2013·International Journal of Systematic and Evolutionary Microbiology·Atsuko MatsumotoYoko Takahashi
Apr 15, 2015·Frontiers in Microbiology·Yucheng WuXiangui Lin
Apr 17, 2015·FEMS Microbiology Ecology·Sindy HungerHarold L Drake
Oct 5, 2018·International Journal of Systematic and Evolutionary Microbiology·Mipeshwaree Devi AsemWen-Jun Li
Sep 26, 2019·Environmental Entomology·Karol L KreyWilliam E Snyder
Oct 23, 2019·Microorganisms·Kian Mau GohUmmirul Mukminin Kahar
Sep 6, 2020·Research in Microbiology·Catherine JoulianAnne-Gwénaëlle Guezennec
May 2, 2021·Environmental Science and Pollution Research International·Ruirui YangJian Liu

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