Geosmin production and polyphasic characterization of Oscillatoria limosa Agardh ex Gomont isolated from the open canal of a large drinking water system in Tianjin City, China | |
Cai, Fangfang1,2; Yu, Gongliang1; Zhang, Kai3; Chen, Youxin1,2; Li, Qiang3; Yang, Yiming1,2; Xie, Jinlin4; Wang, Yilang1,2; Li, Renhui1 | |
刊名 | HARMFUL ALGAE |
2017-11-01 | |
卷号 | 69期号:1页码:28-37 |
关键词 | Geosmin Synthase gene Light Temperature Oscillatoria limosa Cyanobacteria |
ISSN号 | 1568-9883 |
DOI | 10.1016/j.hal.2017.09.006 |
英文摘要 | Taste and odor (T & O) episodes always cause strong effects on drinking water supply system. Luanhe River diversion into Tianjin City in China is an important drinking water resource. Massive growth of a benthic filamentous cyanobacterium with geosmin production in the open canal caused a strong earthy odor episode in Tianjin. On the basis of the morphological and Molecular identification of this cyanobacterium as Oscillatoria limosa Agardh ex Gomont, the genetic basis for geosmin biosynthesis and factors influencing growth and geosmin production of O. limosa CHAB 7000 were studied in this work. A 2268-bp open reading frame,.encoding 755 amino acids, was amplified and characterized as the geosmin synthase gene (geo), followed by a cyclic nucleotide-binding protein gene (cob). Phylogenetic analysis implied that the evolution of the geosmin genes in O. limosa CHAB 7000 might involve a horizontal gene transfer event. Examination on the growth and geosmin production of O. limosa CHAB 7000 at different light intensities showed that the maximum geosmin production was observed at 10 mu mol photons m(-2)s(-1), while the optimum growth was at 60 mu,mol photons m(-2)s(-1). Under three temperature conditions (15 degrees C, 25 degrees C, and 35 degrees C), the maximum growth and geosmin production were observed at 25 C. Most amounts of geosmin were retained in cells during the growth phase, but high temperature and low light intensity increased the release of geosmin into the medium, implying that O. limosa CHAB 7000 had a high potential harm for the release of geosmin from its cells at these adverse conditions. (C) 2017 Elsevier B.V. All rights reserved. |
资助项目 | National Science Foundation China[NSFC51779247] ; National Science Foundation China[NSFC31470310] |
WOS关键词 | ODOROUS COMPOUNDS ; ANABAENA SP ; IN-SOURCE ; 2-METHYLISOBORNEOL ; CYANOBACTERIA ; REMOVAL ; GENE ; IDENTIFICATION ; TEMPERATURE ; RESERVOIRS |
WOS研究方向 | Marine & Freshwater Biology |
语种 | 英语 |
出版者 | ELSEVIER SCIENCE BV |
WOS记录号 | WOS:000416186400003 |
资助机构 | National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China ; National Science Foundation China |
内容类型 | 期刊论文 |
源URL | [http://ir.ihb.ac.cn/handle/342005/30194] |
专题 | 水生生物研究所_藻类生物学及应用研究中心_期刊论文 |
通讯作者 | Li, Renhui |
作者单位 | 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol China, Key Lab Algal Biol, Wuhan 430072, Hubei, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Tianjin Hydraul Res Inst, Tianjin 300061, Peoples R China 4.Jiangxi Normal Univ, Coll Life Sci, Nanchang, Jiangxi, Peoples R China |
推荐引用方式 GB/T 7714 | Cai, Fangfang,Yu, Gongliang,Zhang, Kai,et al. Geosmin production and polyphasic characterization of Oscillatoria limosa Agardh ex Gomont isolated from the open canal of a large drinking water system in Tianjin City, China[J]. HARMFUL ALGAE,2017,69(1):28-37. |
APA | Cai, Fangfang.,Yu, Gongliang.,Zhang, Kai.,Chen, Youxin.,Li, Qiang.,...&Li, Renhui.(2017).Geosmin production and polyphasic characterization of Oscillatoria limosa Agardh ex Gomont isolated from the open canal of a large drinking water system in Tianjin City, China.HARMFUL ALGAE,69(1),28-37. |
MLA | Cai, Fangfang,et al."Geosmin production and polyphasic characterization of Oscillatoria limosa Agardh ex Gomont isolated from the open canal of a large drinking water system in Tianjin City, China".HARMFUL ALGAE 69.1(2017):28-37. |
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