磺胺甲(口恶)唑对微生物电解池阳极微生物群落结构影响

doi:10.16085/j.issn.1000-6613.2017-1695

化工进展 ›› 2018, Vol. 37 ›› Issue (07): 2790-2797.DOI: 10.16085/j.issn.1000-6613.2017-1695

磺胺甲(口恶)唑对微生物电解池阳极微生物群落结构影响

薛雯丹¹, 王博¹, 李凤祥¹, 周启星¹, 高冠道², 李亚宁¹

1 南开大学环境科学与工程学院, 环境污染过程与基准教育部重点实验室, 天津市城市生态环境修复与污染防治重点实验室, 南开大学滨海学院, 天津 300350;
2 南京大学环境学院, 江苏南京 210023

收稿日期:2017-08-15 修回日期:2017-11-15 出版日期:2018-07-05 发布日期:2018-07-05
通讯作者: 李凤祥,博士,讲师,从事水污染控制工程、生物质能源化、废水生态毒理及修复研究。
作者简介:薛雯丹(1993-),女,博士研究生。
基金资助:
国家自然科学基金面上项目（31570504）、国家自然科学基金（41503109）和天津市自然科学基金（16JCYBJC22900）项目。

Microbial community structure response of the anode biofilm in the microbial electrolysis cells

XUE Wendan¹, WANG Bo¹, LI Fengxiang¹, ZHOU Qixing¹, GAO Guandao², LI Yaning¹

1 College of Environmental Science and Engineering, Nankai University;Key Laboratory of Pollution Processes and Environmental Criteria of Ministry of Education;Tianjin Key Laboratory of Environmental Remediation and Pollution Control;Nankai University Binhai College, Tianjin 300350, China;
2 School of the Environment, Nanjing University, Nanjing 210023, Jiangsu, China

Received:2017-08-15 Revised:2017-11-15 Online:2018-07-05 Published:2018-07-05

摘要/Abstract

摘要： 微生物作为微生物电解池（microbial electrolysis cells，MECs）内污染物被生物催化氧化的重要组成部分，研究MECs阳极生物膜的群落结构对于提高系统的性能具有重要意义，尤其是群落内的特殊功能菌群，如产电菌、产氢菌、产甲烷菌、抗生素耐药菌等。本文研究驯化了4类MECs，分别为不加任何药剂（MEC）、加甲烷抑制剂（B-MEC）、加磺胺甲（口恶）唑（S-MEC）、加甲烷抑制剂和磺胺甲（口恶）唑的混合物（BS-MEC），对不同功能菌的物种和群落结构变化进行分析。研究显示，4类微生物电解池系统内保留有相当丰度的产电菌（3.97%～5.51%）、产氢菌（0.77%～1.35%），这些菌群保证了系统的高效运行，此外微生物中出现了大量的抗生素抗性菌（2.67%～4.33%），研究结果表明微生物群落能够在有抗生素存在的环境下生存，并且能够为微生物降解抗生素提供支持。

关键词: 微生物电解池, 产电菌, 耐药菌, 产氢菌, 磺胺甲(口恶)唑

Abstract: Microorganisms are important components of microbial electrolytic cells. It is important to study the community structure of the anode biofilm in the microbial electrolysis cell for the performance improvement, especially the special functional flora, such as exoelectrogen, hydrogen bacteria, methanogen and antibiotic resistant bacteria. Four kinds of MECs have been studied in this paper:MECs without chemical medicine (MECs), MECs with methane inhibitors (B-MEC), MECs with sulfamethoxazole (S-MECs), and MECs with a mixture of sulfamethoxazole and methane inhibitors (BS-MECs). The variation of species and community structure of different functional bacteria were analyzed. The results showed that microbial electrolysis cell system contained abundance exoeletrogens (3.97%-5.51%) and hydrogenogens (0.77%-1.35%). These bacteria groups guaranteed the efficient operation of the electrochemical system. In addition, a large number of antibiotic resistant bacteria appeared (2.67%-4.33%). The studies have shown that microbial communities could survive in the presence of antibiotic and they are essential to the microbial degradation of antibiotics.

Key words: microbial electrolysis cells, exoelectrogens, resistant bacteria, hydrogenogens, sulfamethoxazole

中图分类号:

薛雯丹, 王博, 李凤祥, 周启星, 高冠道, 李亚宁. 磺胺甲(口恶)唑对微生物电解池阳极微生物群落结构影响[J]. 化工进展, 2018, 37(07): 2790-2797.

XUE Wendan, WANG Bo, LI Fengxiang, ZHOU Qixing, GAO Guandao, LI Yaning. Microbial community structure response of the anode biofilm in the microbial electrolysis cells[J]. Chemical Industry and Engineering Progress, 2018, 37(07): 2790-2797.

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磺胺甲(口恶)唑对微生物电解池阳极微生物群落结构影响

Microbial community structure response of the anode biofilm in the microbial electrolysis cells

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