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Effects of Oxytetracycline on Methane Production and the Microbial Communities During Anaerobic Digestion of Cow Manure
Alternative TitleEffects of Oxytetracycline on Methane Production and the Microbial Communities During Anaerobic Digestion of Cow Manure
Ke Xin; Wang Chunyong; Li Rundong; Zhang Yun
2014
Source PublicationJOURNAL OF INTEGRATIVE AGRICULTURE
ISSN2095-3119
Volume13Issue:6Pages:1373-1381
AbstractThe effects of different concentrations of oxytetracycline (OTC) on the dynamics of bacterial and archaeal communities during the mesophilic anaerobic digestion (37 degrees C) of cow manure were investigated. Before anaerobic digestion, OTC was added to digesters at concentrations of 20, 50, and 80 mg L-1, respectively. Compared with no-antibiotic control, all methane productions underwent different levels of inhibition at different concentrations of OTC. Changes in the bacterial and archaeal communities were discussed by using PCR-denaturing gradient gel electrophoresis (DGGE). Results showed that OTC affected the richness and diversity of bacterial and archaeal communities. The bacterial genus Flavobacterium and an uncultured bacterium (JN256083.1) were detected throughout the entire process of anaerobic digestion and seemed to be the functional bacteria. Methanobrevibacter boviskoreani and an uncultured archaeon (FJ230982.1) dominated the archaeal communities during anaerobic digestion. These microorganisms may have high resistance to OTC and may play vital roles in methane production.
Other AbstractThe effects of different concentrations of oxytetracycline (OTC) on the dynamics of bacterial and archaeal communities during the mesophilic anaerobic digestion (37°C) of cow manure were investigated. Before anaerobic digestion, OTC was added to digesters at concentrations of 20, 50, and 80 mg L~(-1), respectively. Compared with no-antibiotic control, all methane productions underwent different levels of inhibition at different concentrations of OTC. Changes in the bacterial and archaeal communities were discussed by using PCR-denaturing gradient gel electrophoresis (DGGE). Results showed that OTC affected the richness and diversity of bacterial and archaeal communities. The bacterial genus Flavobacterium and an uncultured bacterium (JN256083.1) were detected throughout the entire process of anaerobic digestion and seemed to be the functional bacteria. Methanobrevibacter boviskoreani and an uncultured archaeon (FJ230982.1) dominated the archaeal communities during anaerobic digestion. These microorganisms may have high resistance to OTC and may play vital roles in methane production.
KeywordRESISTANCE GENES BIOGAS PRODUCTION ANTIBIOTICS DIVERSITY FATE CHROMATOGRAPHY BACTERIAL SLURRY CHINA oxytetracycline anaerobic digestion stages (BDS, DMS and FDS) PCR-DGGE bacterial community archaeal community
Indexed ByCSCD
Language英语
Funding Project[Major Science and Technology Program for Water Pollution Control and Treatment, China]
CSCD IDCSCD:5169168
Citation statistics
Cited Times:3[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/158169
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Ke Xin,Wang Chunyong,Li Rundong,et al. Effects of Oxytetracycline on Methane Production and the Microbial Communities During Anaerobic Digestion of Cow Manure[J]. JOURNAL OF INTEGRATIVE AGRICULTURE,2014,13(6):1373-1381.
APA Ke Xin,Wang Chunyong,Li Rundong,&Zhang Yun.(2014).Effects of Oxytetracycline on Methane Production and the Microbial Communities During Anaerobic Digestion of Cow Manure.JOURNAL OF INTEGRATIVE AGRICULTURE,13(6),1373-1381.
MLA Ke Xin,et al."Effects of Oxytetracycline on Methane Production and the Microbial Communities During Anaerobic Digestion of Cow Manure".JOURNAL OF INTEGRATIVE AGRICULTURE 13.6(2014):1373-1381.
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