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学科主题: Ecology; Environmental Sciences; Toxicology
题名: Degradation of dimethyl carboxylic phthalate ester by Burkholderia cepacia DA2 isolated from marine sediment of South China Sea
作者: Wang, Y ; Yin, B ; Hong, YG ; Yan, Y ; Gu, JD
通讯作者: jdgu@hkucc.hku.hk
关键词: Dimethyl phthalate ; Degradation pathway ; Endocrine-disrupting ; Burkholderia ; Deep-ocean sediments
刊名: ECOTOXICOLOGY
发表日期: 2008
卷: 17, 期:8, 页:845-852
收录类别: sci
部门归属: [Gu, Ji-Dong] Univ Hong Kong, Sch Biol Sci, Hong Kong, Hong Kong, Peoples R China; [Wang, Yali; Yin, Bo; Hong, Yiguo; Yan, Yan] Chinese Acad Sci, S China Sea Inst Oceanog, Key Lab Trop Marine Environm Dynam LED, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LED
摘要: Burkholderia cepacia DA2, isolated from marine sediment of the South China Sea, is capable of utilizing dimethyl phthalate (DMP) as the sole source of carbon and energy. During the transformation of DMP in batch culture, its corresponding degradation intermediates were identified as monomethyl phthalate (MMP) and phthalate acid (PA) sequentially over the time of incubation. The biodegradation biochemical pathway of DMP was DMP to MMP and then to PA before mineralization. Degradation of DMP by B. cepacia DA2 was also dependent upon DMP-induction, and the initial concentrations of DMP affected the degradation rate. Degradation kinetics fit well with the modified Gompertz model. The optimum pH and salinity was 6.0 and <5 parts per thousand, respectively, for DMP degradation by B. cepacia DA2. This study showed that the indigenous microorganisms of the deep-ocean sediments are capable of DMP degradation completely.
原文出处: 查看原文
WOS记录号: WOS:000260157800016
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5951
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Recommended Citation:
Wang, Y; Yin, B; Hong, YG; Yan, Y; Gu, JD.Degradation of dimethyl carboxylic phthalate ester by Burkholderia cepacia DA2 isolated from marine sediment of South China Sea,ECOTOXICOLOGY,2008,17(8):845-852
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