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| Content Provider | Springer Nature Link |
|---|---|
| Author | Balk, Melike Heilig, Hans G. H. J. Eekert, Miriam H. A. Stams, Alfons J. M. Rijpstra, Irene C. Sinninghe Damsté, Jaap S. Vos, Willem M. Kengen, Servé W. M. |
| Copyright Year | 2009 |
| Abstract | A novel anaerobic, thermophilic, Gram-positive, spore-forming, and sugar-fermenting bacterium (strain TLO) was isolated from a geothermal spring in Ayaş, Turkey. The cells were straight to curved rods, 0.4–0.6 μm in diameter and 3.5–10 μm in length. Spores were terminal and round. The temperature range for growth was 40–80°C, with an optimum at 70°C. The pH optimum was between 6.3 and 6.8. Strain TLO has the capability to ferment a wide variety of mono-, di-, and polysaccharides and proteinaceous substrates, producing mainly lactate, next to acetate, ethanol, alanine, H2, and CO2. Remarkably, the bacterium was able to grow in an atmosphere of up to 25% of CO as sole electron donor. CO oxidation was coupled to H2 and CO2 formation. The G + C content of the genomic DNA was 35.1 mol%. Based on 16S rRNA gene sequence analysis and the DNA–DNA hybridization data, this bacterium is most closely related to Thermoanaerobacter thermohydrosulfuricus and Thermoanaerobacter siderophilus (99% similarity for both). However, strain TLO differs from Thermoanaerobacter thermohydrosulfuricus in important aspects, such as CO-utilization and lipid composition. These differences led us to propose that strain TLO represents a subspecies of Thermoanaerobacter thermohydrosulfuricus, and we therefore name it Thermoanaerobacter thermohydrosulfuricus subsp. carboxydovorans. |
| Starting Page | 885 |
| Ending Page | 894 |
| Page Count | 10 |
| File Format | |
| ISSN | 14310651 |
| Journal | Extremophiles |
| Volume Number | 13 |
| Issue Number | 6 |
| e-ISSN | 14334909 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2009-08-23 |
| Publisher Place | Japan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Thermoanaerobacter sp. Geothermal springs Thermophiles Bacteria Thermoanaerobacter Ecology Biotechnology Microbiology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Molecular Medicine Microbiology |
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