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学科主题: Biotechnology & Applied Microbiology; Environmental Sciences
题名: Degradation of dimethyl terephthalate by Pasteurella multocida Sa and Sphingomonas paucimobilis Sy isolated from mangrove sediment
作者: Li, JX ; Gu, JD ; Yao, JH
通讯作者: jdgu@hkucc.hku.hk
关键词: bacteria ; biodegradation ; dimethyl terephthalate ; mangrove ; terephthalate
刊名: INTERNATIONAL BIODETERIORATION & BIODEGRADATION
发表日期: 2005
卷: 56, 期:3, 页:158-165
收录类别: sci
部门归属: Univ Hong Kong, Dept Ecol & Biodivers, Lab Environm Toxicol, Hong Kong, Hong Kong, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanogr, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Peoples R China; S China Univ Technol, Sch Environm Sci & Engn, Guangzhou 510641, Peoples R China; Univ Hong Kong, Swire Inst Marine Sci, Hong Kong, Hong Kong, Peoples R China; Zhongshan Univ, Instrumentat Anal & Res Ctr, Guangzhou 510275, Peoples R China
项目归属: LED
摘要: Biodegradation of dimethyl terephthalate (DMT) by individual species of bacteria isolated from mangrove sediment was conducted in batch experiments. Four morphologically distinct microorganisms, two of which showed ability to degrade DMT completely, were obtained and identified. Pasteurella multocida Sa displayed the greatest ability in degrading 98 mg DMTI-1 within 60 h. At this initial concentration the rate of DMT degradation by P. multocida Sa was apparently higher than that by Sphingomonas paucimobilis Sy. Based on the data obtained from HPLC/MS/MS analysis degradation of DMT by these bacteria was observed to proceed with formation of monomethyl terephtlate and terephthalate acid (TA) sequentially. However, addition of TA to the culture medium containing DMT as a co-substrate was found to delay aerobic degradation of DMT by P. multocida Sa. From these results, it is evident that environmental bacteria are capable of metabolizing DMT as sole carbon and energy source and may be used in aerobic treatment of wastewater containing DMT. (c) 2005 Elsevier Ltd. All rights reserved.
WOS记录号: WOS:000233061800004
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5693
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:
Li, JX; Gu, JD; Yao, JH.Degradation of dimethyl terephthalate by Pasteurella multocida Sa and Sphingomonas paucimobilis Sy isolated from mangrove sediment,INTERNATIONAL BIODETERIORATION & BIODEGRADATION,2005,56(3):158-165
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