Characterization of a newly isolated biphenyl-degrading bacterium, Dyella ginsengisoli LA-4.
作者： Ang Li , Yuanyuan Qu , Jiti Zhou , Fang Ma
DOI: 10.1007/S12010-008-8513-8
关键词: Metal ions in aqueous solution 、 Biphenyl compound 、 Biodegradation 、 Bioremediation 、 Inorganic chemistry 、 Sodium 、 Nuclear chemistry 、 Energy source 、 Biphenyl 、 Chemistry 、 Activated sludge
摘要: A novel biphenyl-degrading bacterium, Dyella ginsengisoli LA-4 was isolated from activated sludge. This isolate could utilize biphenyl as sole source of carbon and energy. The resting cells strain 100 mg/L within 20 h, they were able to degrade 500 mg/L 40 h. surfactant, Tween 80, accelerate the biodegradation process. increase NaCl concentration inhibited degradation. No degradation detected when exceeds 10%. effects metal ions on investigated. results indicated that such Cu2+, Mn2+, Co2+ completely inhibit biphenyl, but Mg2+, Ca2+, Zn2+ had no biphenyl. removal rate about 64% 37% in presence Fe3+ Ni2+, respectively. study suggested be widely used for bioremediation soil wastewater contaminated by NaCl, ions.
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