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题名: Effects of light and temperature on the odor production of 2-methylisoborneol-producing Pseudanabaena sp and geosmin-producing Anabaena ucrainica (cyanobacteria)
作者: Wang, Zhongjie1, 2; Li, Renhui2
通讯作者: Li, RH (reprint author), 7 Donghu South Rd, Wuhan 430072, Peoples R China.
关键词: Geosmin ; MIB ; Light ; Temperature ; Cyanobacteria
刊名: BIOCHEMICAL SYSTEMATICS AND ECOLOGY
发表日期: 2015-02-01
DOI: 10.1016/j.bse.2014.12.013
卷: 58, 页:219-226
收录类别: SCI
文章类型: Article
部门归属: [Wang, Zhongjie] Chinese Acad Sci, Wuhan Bot Garden, Key Lab Plant Germplasm Enhancement & Special Agr, Wuhan 430074, Peoples R China ; [Wang, Zhongjie ; Li, Renhui] Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biochemistry & Molecular Biology ; Ecology ; Evolutionary Biology
研究领域[WOS]: Biochemistry & Molecular Biology ; Environmental Sciences & Ecology ; Evolutionary Biology
英文摘要: Frequent off-flavor events caused by geosmin and 2-methylisoborneol (MIB) have attracted research on the main producers, cyanobacteria. This study evaluated the effects of light and temperature on the odor production of MIB-producing Pseudanabaena sp. Lauterborn and geosmin-producing Anabaena ucrainica (Schhorb.) Watanabe. The maximum MIB production and lowest growth rate (indicated by the chlorophyll a (Chi a)) were observed at 35 degrees C compared with that at 10 degrees C and 25 degrees C Cultures grown under a light intensity of 60 mu mol photons m(-2) s(-1) demonstrated the highest MIB production and minimum growth rate, whereas the minimum MIB production and maximum growth rate were obtained under 10 mu mol photons m(-2) s(-1). Similar patterns were observed for geosmin production. A. ucrainica had the highest geosmin production and lowest Chl a concentration under 10 degrees C and 60 mu mol photons m(-2) s(-1). Moreover, greater proportions of geosmin and MIB were released into extracellular under growth-inhibiting temperatures and light intensities. An inverse correlation between odor production and the cell growth rate was suggested, and this relationship may reflect the competition for substrates of odor and Chl a synthesis. Thus, the accumulation of geosmin and MIB was probably the result of decreased cellular metabolic activity in cyanobacteria. (C) 2014 Elsevier Ltd. All rights reserved.
关键词[WOS]: OSCILLATORIA-BREVIS ; ISOPRENOID BIOSYNTHESIS ; UNITED-STATES ; GROWTH ; WATERS ; GENE ; MIB ; PHYSIOLOGY ; PATHWAYS ; SYSTEMS
语种: 英语
WOS记录号: WOS:000351320000032
ISSN号: 0305-1978
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/25767
Appears in Collections:藻类生物学及应用研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Wuhan Bot Garden, Key Lab Plant Germplasm Enhancement & Special Agr, Wuhan 430074, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Peoples R China
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