Isolation and Degradation Activity of a TBTCl (Tributyltin Chloride) Resistant Bacteriain Gwangyang Bay
作者： Seong-Yun Jeong , Hong-Joo Son , Nam-Ho Jeoung
DOI: 10.5338/KJEA.2011.30.4.424
关键词:
摘要: BACKGROUND: Tributyltin chloride is among the most toxic compounds known for aquatic ecosystems. Microorganisms are responsible removal of TBTCl. Nevertheless, only a limited number marine bacteria were investigated biodegradation TBTCl in Korea. METHODS AND RESULTS: The resistant ranged from to cfu/mL seawater, and cfu/g surface sediment, respectively. morphological, physiological, biochemical characteristics by API 20NE other tests. abundant species Vibrio spp. (19.2%), Bacillus (16.2%), Aeromonas (15.2%), Pseudomonas (13.1%), etc. Eleven isolates also had resistance heavy metals (Cd, Cu, Hg, Zn). Among them, isolate T7 showing strong TBTCl-resistance was selected. This identified as genus Pantoea 16S rRNA gene sequencing designated sp. T7. In addition, this bacterium cultivated up growth 50.7% after 60 hrs at concentration . TBTCl-degrading activity measured GC-FPD analysis. As result biological TBTCl-degradation , TBTCl-removal efficiency Pantoeasp. 62.7% 40 hrs. CONCLUSION(S): These results suggest that potentially useful bioremediation TBT contamination.
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