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Article: Aerobic biodegradation of an endocrine-disrupting chemical, dimethyl isophthalate, and its biochemical pathway
| Title | Aerobic biodegradation of an endocrine-disrupting chemical, dimethyl isophthalate, and its biochemical pathway 間苯二甲酸二甲酯的好氧微生物降解及其生化途徑 |
|---|---|
| Authors | |
| Keywords | Endocrine-disrupting chemical Dimethyl isophthalate (DMI) Mono-methyl isophthalate (MMI) Isophthalate ( IA) Mangrove |
| Issue Date | 2004 |
| Publisher | 中國科學院南海海洋研究所. The Journal's web site is located at http://rdhy.chinajournal.net.cn/ |
| Citation | 熱帶海洋學報, 2004, v. 23 n. 5, p. 56-62 How to Cite? Journal of Tropical Oceanography, 2004, v. 23 n. 5, p. 56-62 How to Cite? |
| Abstract | 从红树林污泥中通过富集培养分离到4 株细菌, 鉴定结果是多杀巴斯德菌(Pasteurella multocida Sa)、产酸克雷伯菌( Klebsiella oxytoca Sc)、少动鞘氨醇单胞菌(Sphingomonas paucimobilis Sy) 和嗜中温甲基杆菌( Methylobacterium mesophilicum Sr) 。在纯培养降解间苯二甲酸二甲酯( DMI) 时发现, 单一纯菌株不能完全矿化间苯二甲酸二甲酯, 而2 种或3 种纯菌株组成的混合菌可以220mg#L- 1的底物在12d 内完全矿化。主要的中间产物有间苯二甲酸一甲酯(MMI) 和间苯二甲酸( IA)。根据鉴定出的中间产物, DMI 的生化降解途径为: DMI -> MMI ->IA-> CO2+ H2O。研究结果表明, DMI 的2 个酯基的水解是决定DMI 能否完全矿化的重要步骤, 但2 个酯基的酶催化水解反应有差异, 由不同的细菌分步来完成, 说明是酯酶对不同底物的专性所致; 第2 个酯基的水解对整个降解过程有决定性作用。 |
| Persistent Identifier | http://hdl.handle.net/10722/73392 |
| ISSN |
| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Li, J | en_HK |
| dc.contributor.author | Gu, J | en_HK |
| dc.contributor.author | Zhou, Y | en_HK |
| dc.contributor.author | Cai, C | en_HK |
| dc.date.accessioned | 2010-09-06T06:50:50Z | - |
| dc.date.available | 2010-09-06T06:50:50Z | - |
| dc.date.issued | 2004 | en_HK |
| dc.identifier.citation | 熱帶海洋學報, 2004, v. 23 n. 5, p. 56-62 | en_HK |
| dc.identifier.citation | Journal of Tropical Oceanography, 2004, v. 23 n. 5, p. 56-62 | - |
| dc.identifier.issn | 1009-5470 | en_HK |
| dc.identifier.uri | http://hdl.handle.net/10722/73392 | - |
| dc.description.abstract | 从红树林污泥中通过富集培养分离到4 株细菌, 鉴定结果是多杀巴斯德菌(Pasteurella multocida Sa)、产酸克雷伯菌( Klebsiella oxytoca Sc)、少动鞘氨醇单胞菌(Sphingomonas paucimobilis Sy) 和嗜中温甲基杆菌( Methylobacterium mesophilicum Sr) 。在纯培养降解间苯二甲酸二甲酯( DMI) 时发现, 单一纯菌株不能完全矿化间苯二甲酸二甲酯, 而2 种或3 种纯菌株组成的混合菌可以220mg#L- 1的底物在12d 内完全矿化。主要的中间产物有间苯二甲酸一甲酯(MMI) 和间苯二甲酸( IA)。根据鉴定出的中间产物, DMI 的生化降解途径为: DMI -> MMI ->IA-> CO2+ H2O。研究结果表明, DMI 的2 个酯基的水解是决定DMI 能否完全矿化的重要步骤, 但2 个酯基的酶催化水解反应有差异, 由不同的细菌分步来完成, 说明是酯酶对不同底物的专性所致; 第2 个酯基的水解对整个降解过程有决定性作用。 | - |
| dc.language | chi | en_HK |
| dc.publisher | 中國科學院南海海洋研究所. The Journal's web site is located at http://rdhy.chinajournal.net.cn/ | zh_HK |
| dc.relation.ispartof | 熱帶海洋學報 | en_HK |
| dc.relation.ispartof | Journal of Tropical Oceanography | - |
| dc.subject | Endocrine-disrupting chemical | - |
| dc.subject | Dimethyl isophthalate (DMI) | - |
| dc.subject | Mono-methyl isophthalate (MMI) | - |
| dc.subject | Isophthalate ( IA) | - |
| dc.subject | Mangrove | - |
| dc.title | Aerobic biodegradation of an endocrine-disrupting chemical, dimethyl isophthalate, and its biochemical pathway | en_HK |
| dc.title | 間苯二甲酸二甲酯的好氧微生物降解及其生化途徑 | - |
| dc.type | Article | en_HK |
| dc.identifier.email | Gu, J: jdgu@hkucc.hku.hk | en_HK |
| dc.identifier.authority | Gu, J=rp00701 | en_HK |
| dc.identifier.hkuros | 98032 | en_HK |
| dc.identifier.volume | 23 | - |
| dc.identifier.issue | 5 | - |
| dc.identifier.spage | 56 | - |
| dc.identifier.epage | 62 | - |
| dc.publisher.place | China | - |
| dc.identifier.issnl | 1009-5470 | - |