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题名: Isolation, identification and odour-producing abilities of geosmin/2-MIB in actinomycetes from sediments in Lake Lotus, China
作者: Zuo, Yanxia ; Li, Lin ; Wu, Zongxing ; Song, Lirong
会议文集: JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA
会议名称: 8th IWA Symposium on Off-flavours in the Aquatic Environment
会议日期: OCT 05-09, 2008
出版日期: 2009
会议地点: Daejeon, SOUTH KOREA
关键词: actinomycete ; geosmin ; off-flavour ; 2-methylisoborneol
通讯作者: Li, L, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
收录类别: SCI
部门归属: [Zuo, Yanxia; Li, Lin; Wu, Zongxing; Song, Lirong] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; [Zuo, Yanxia] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
主办者: IWA
摘要: This study aimed to determine whether actinomycetes could contribute to the odours occurring in Lake Lotus, China. In total, 55 actinomycete strains were isolated from sediments in Lake Lotus and their odorous metabolites, geosmin and 2-methylisoborneol (2-MIB), were identified using HSPME-GC-MS. Results showed that 24, 23 and 34 strains produced geosmin and/or 2-MIB in Gause, TSB and M liquid media, respectively. Of odour-producing actinomycetes, most could produce geosmin and some produced both metabolites, while few of them produced only 2-MIB. Six isolates with high-level odour were selected for further investigation. Their biomass and odour-producing abilities were monitored in both the slants and liquid media. The results suggest that TSB was the most suitable medium for the growth of mycelium; Gause and M slant supported good production of spores, while M liquid medium was the most favourable for the production of both geosmin and 2-MIB. Those strains that produced geosmin only were less influenced than those that produced both geosmin and 2-MIB under shaking conditions. The results indicate that actinomycetes from sediments should be taken into consideration when off-flavours occur in water columns. According to the 16S rRNA sequences, six actinomycetes were classified in the Streptomyces.
语种: 英语
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内容类型: 会议论文
URI标识: http://ir.ihb.ac.cn/handle/342005/11745
Appears in Collections:中科院水生所知识产出(2009年前)_会议论文

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Recommended Citation:
Zuo, Yanxia; Li, Lin; Wu, Zongxing; Song, Lirong.Isolation, identification and odour-producing abilities of geosmin/2-MIB in actinomycetes from sediments in Lake Lotus, China.见:.JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA,,2009,552-561
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