Abstract
Two strains, E3 and F2, capable to mineralize 1,2,4-trichlorobenzene (1,2,4-TCB) were isolated from a chlorinated benzenes contaminated soil using 14C-1,2,4-TCB as carbon source. They were identified by their 16S rDNA coding genes and fluorescence in situ hybridization (FISH) analysis as members of the genus Bordetella. A similarity of 100% were observed between strains E3 and F2 with their 16S rDNA sequences. They had the highest homology of 100% with Bordetella sp. QJ2-5 and the closest relation to described species, Bordetella petrii (GDH030510) with a similarity of 99.4%. Strains E3 and F2 could degrade about 90% of 1,2,4-TCB and mineralize 58% and 46% of 1,2,4-TCB to CO2 within 30 days in mineral liquid cultures, respectively. Biomass was formed during the mineralization process.
| Original language | English |
|---|---|
| Pages (from-to) | 1082-1087 |
| Number of pages | 6 |
| Journal | Huanjing Kexue/Environmental Science |
| Volume | 28 |
| Issue number | 5 |
| State | Published - May 2007 |
| Externally published | Yes |
Keywords
- 16S rDNA
- Biodegradation
- Bordetella sp.
- C-labeled
- Fluorescence in situ hybridization (FISH)
- TCB
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