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EnglishIn this microcosm study we have monitored the performances of 12 butane-utilizing consortia during a long-term aerobic cometabolic degradation of chloroform (CF). After approximately 100 days of continuous CF depletion, a sudden improvement of the biodegradative performances (7-fold increase of chloroform degradation rate) was observed in two microcosms in which the highest amount of depleted CF (> 70 mg / kg of dry soil) was observed. Two bacterial strains, isolated from the CF-degrading microcosms, were identified as belonging to the genera Rhodococcus and Stenotrophomonas, respectively. A strain, named F, was further characterized to establish the involvement of the butane-monooxygenase in CF degradation.
| Titolo: | Chloroform cometabolism by bacterial strains grown on butane |
| Autore/i: | FEDI, STEFANO; PII Y.; FRASCARI, DARIO; ZANNONI, ARIANNA; NOCENTINI, MASSIMO; ZANNONI, DAVIDE |
| Autore/i Unibo: | |
| Anno: | 2004 |
| Titolo del libro: | Proceedings of the European Symposium on Environmental Biotechnology - ESEB 2004 |
| Pagina iniziale: | 281 |
| Pagina finale: | 285 |
| Abstract: | In this microcosm study we have monitored the performances of 12 butane-utilizing consortia during a long-term aerobic cometabolic degradation of chloroform (CF). After approximately 100 days of continuous CF depletion, a sudden improvement of the biodegradative performances (7-fold increase of chloroform degradation rate) was observed in two microcosms in which the highest amount of depleted CF (> 70 mg / kg of dry soil) was observed. Two bacterial strains, isolated from the CF-degrading microcosms, were identified as belonging to the genera Rhodococcus and Stenotrophomonas, respectively. A strain, named F, was further characterized to establish the involvement of the butane-monooxygenase in CF degradation. |
| Data prodotto definitivo in UGOV: | 12-ott-2005 |
| Appare nelle tipologie: | 4.01 Contributo in Atti di convegno |
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