Publication Details |
| Category | Text Publication |
| Reference Category | Journals |
| DOI | 10.1111/1462-2920.15852 |
| Licence |
|
| Title (Primary) | Sulfidic acetate mineralization at 45°C by an aquifer microbial community: key players and effects of heat changes on activity and community structure |
| Author | Bin Hudari, M.S.; Vogt, C.; Richnow, H.H. |
| Journal | Environmental Microbiology |
| Year | 2022 |
| Department | ISOBIO |
| Volume | 24 |
| Issue | 1 |
| Page From | 370 |
| Page To | 389 |
| Language | englisch |
| Topic | T7 Bioeconomy |
| Supplements | https://sfamjournals.onlinelibrary.wiley.com/action/downloadSupplement?doi=10.1111%2F1462-2920.15852&file=emi15852-sup-0001-Supinfo.docx |
| Abstract | High-Temperature Aquifer Thermal Energy Storage (HT-ATES) is a sustainable approach for integrating thermal energy from various sources into complex energy systems. Temperatures ≥45°C, which are relevant in impact zones of HT-ATES systems, may dramatically influence the structure and activities of indigenous aquifer microbial communities. Here, we characterized an acetate-mineralizing, sulfate-reducing microbial community derived from an aquifer and adapted to 45°C. Acetate mineralization was strongly inhibited at temperatures ≤25°C and 60°C. Prolonged incubation at 12°C and 25°C resulted in acetate mineralization recovery after 40–80 days whereas acetate was not mineralized at 60°C within 100 days. Cultures pre-grown at 45°C and inhibited for 28 days by incubation at 12°C, 25°C, or 60°C recovered quickly after changing the temperature back to 45°C. Phylotypes affiliated to the order Spirochaetales and to endospore-forming sulfate reducers of the order Clostridiales were highly abundant in microcosms being active at 45°C highlighting their key role. In summary, prolonged incubation at 45°C resulted in active microbial communities mainly consisting of organisms adapted to temperatures between the typical temperature range of mesophiles and thermophiles and being resilient to temporary heat changes. |
| Persistent UFZ Identifier | https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=25365 |
| Bin Hudari, M.S., Vogt, C., Richnow, H.H. (2022): Sulfidic acetate mineralization at 45°C by an aquifer microbial community: key players and effects of heat changes on activity and community structure Environ. Microbiol. 24 (1), 370 - 389 |
|