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Degradation of dimethyl terephthalate by Pasteurella multocida Sa and Sphingomonas paucimobilis Sy isolated from mangrove sediment
Li, JX; Gu, JD; Yao, JH; jdgu@hkucc.hku.hk
2005
Source PublicationINTERNATIONAL BIODETERIORATION & BIODEGRADATION
ISSN0964-8305
Volume56Issue:3Pages:158-165
AbstractBiodegradation 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.
DepartmentUniv 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
KeywordBacteria Biodegradation Dimethyl Terephthalate Mangrove Terephthalate
Subject AreaBiotechnology & Applied Microbiology ; Environmental Sciences
Indexed Bysci
Funding ProjectLED
WOS IDWOS:000233061800004
Citation statistics
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/5693
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorjdgu@hkucc.hku.hk
Recommended Citation
GB/T 7714
Li, JX,Gu, JD,Yao, JH,et al. Degradation of dimethyl terephthalate by Pasteurella multocida Sa and Sphingomonas paucimobilis Sy isolated from mangrove sediment[J]. INTERNATIONAL BIODETERIORATION & BIODEGRADATION,2005,56(3):158-165.
APA Li, JX,Gu, JD,Yao, JH,&jdgu@hkucc.hku.hk.(2005).Degradation of dimethyl terephthalate by Pasteurella multocida Sa and Sphingomonas paucimobilis Sy isolated from mangrove sediment.INTERNATIONAL BIODETERIORATION & BIODEGRADATION,56(3),158-165.
MLA Li, JX,et al."Degradation of dimethyl terephthalate by Pasteurella multocida Sa and Sphingomonas paucimobilis Sy isolated from mangrove sediment".INTERNATIONAL BIODETERIORATION & BIODEGRADATION 56.3(2005):158-165.
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