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题名: Microcystis aeruginosa/Pseudomonas pseudoalcaligenes interaction effects on off-flavors in algae/bacteria co-culture system under different temperatures
作者: Yang, Xi1, 2, 3; Xie, Ping1; Yu, Yunzhen2; Shen, Hong1; Deng, Xuwei1; Ma, Zhimei1; Wang, Peili1; Tao, Min1; Niu, Yuan1
通讯作者: Xie, P (reprint author), Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China.
关键词: Co-culture system ; Microcystis aeruginosa ; Off-flavors ; Pseudomonas pseudoalcaligenes
刊名: JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
发表日期: 2015-05-01
DOI: 10.1016/j.jes.2014.07.034
卷: 31, 页:38-43
收录类别: SCI
文章类型: Article
部门归属: [Yang, Xi ; Xie, Ping ; Shen, Hong ; Deng, Xuwei ; Ma, Zhimei ; Wang, Peili ; Tao, Min ; Niu, Yuan] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China ; [Yang, Xi ; Yu, Yunzhen] Wuhan Fisheries Sci Res Inst, Wuhan 430207, Peoples R China ; [Yang, Xi] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: We conducted an experiment to study the interaction effects of Microcystis aeruginosa and Pseudomonas pseudoalcaligenes on off-flavors in an algae/bacteria co-culture system at three temperatures (24, 28 and 32 degrees C). Gas chromatography mass spectrometry was applied to measure off-flavor compounds dimethyl sulfide (DMS), dimethyl trisulfide (DMTS), 2-methylisobomeol, geosmin (GEO) and beta-cyclocitral. During the lag phase of co-cultured M. aeruginosa (first 15 days), P. pseudoalcaligenes significantly increased the production of DMS, DMTS and beta-cyclocitral at all three temperatures. In the exponential phase of co-cultured M. aeruginosa (after 15 days), M. aeruginosa became the main factor on off-flavors in the co-culture system, and beta-cyclocitral turned to the highest off-flavor compound. These results also indicated that DMS, DMTS and beta-cyclocitral were the main off-flavor compounds in our M. aeruginosa/P. pseudoalcaligenes co-culture system. Univariate analysis was applied to investigate the effects of M. aeruginosa and P. pseudoalcaligenes on the production of off-flavors. The results demonstrated that both M. aeruginosa and P. pseudoalcaligenes could increase the production of DMS and DMTS, while beta-cyclocitral was mainly determined by M. aeruginosa. Our results also provide some insights into understanding the relationship between cyanobacteria and heterotrophic bacteria. (C) 2015 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
关键词[WOS]: ODOR COMPOUNDS ; LAKE TAIHU ; CHINA ; BACTERIA ; VOLATILE ; GEOSMIN ; 2-METHYLISOBORNEOL ; CYANOBACTERIA ; ORIGINS ; WATERS
语种: 英语
WOS记录号: WOS:000355062100005
ISSN号: 1001-0742
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23851
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2.Wuhan Fisheries Sci Res Inst, Wuhan 430207, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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