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题名: 2-Methylisoborneol production characteristics of Pseudanabaena sp FACHB 1277 isolated from Xionghe Reservoir, China
作者: Zhang, Ting1; Zheng, Lingling2; Li, Lin2; Song, Lirong2
关键词: Cyanobacterium ; Pseudanabaena ; 2-Methylisoborneol ; Temperature ; Light intensity
刊名: JOURNAL OF APPLIED PHYCOLOGY
发表日期: 2016-12-01
DOI: 10.1007/s10811-016-0864-x
卷: 28, 期:6, 页:3353-3362
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
研究领域[WOS]: Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
英文摘要: The cyanobacterium Pseudanabaena sp. FACHB 1277, a 2-methylisoborneol (2-MIB) producer isolated from Xionghe Reservoir, was identified by molecular biological methods based on the 16S rDNA sequence. Pseudanabaena sp. FACHB 1277 is a planktonic freshwater species with relatively high 2-MIB per cell density value (7.76 x 10(-6) ng cell(-1)) and specific growth rate (0.25 +/- 0.01 d(-1)). The effects of temperature and light intensity on 2-MIB production of Pseudanabaena sp. FACHB 1277 were investigated. Of the six temperatures tested, 10, 15, 20, 25, 30, and 35 A degrees C, the maximum total 2-MIB per cell density and minimum cell density were observed at 10 A degrees C, while the total 2-MIB and dissolved 2-MIB (including extracellular and dissolved intracellular 2-MIB) increased with increasing temperature. Among the six tested light intensities (10, 25, 40, 55, 70, and 85 mu mol photons m(-2) s(-1)), the minimum total 2-MIB per cell density and maximum cell density were observed at 25 mu mol photons m(-2) s(-1). The total 2-MIB and extracellular 2-MIB increased with light intensity increasing from 10 to 40 mu mol photons m(-2) s(-1), while no significant increase was observed when the light intensity was higher than 40 mu mol photons m(-2) s(-1). The maximum intracellular 2-MIB (including dissolved and bound) occurred at 25 mu mol photons m(-2) s(-1). The present study indicates that increasing temperature could favor the conversion of bound intracellular to dissolved 2-MIB, while increasing light intensity stimulates the release of dissolved intracellular 2-MIB into the environment.
关键词[WOS]: BLUE-GREEN-ALGAE ; GEOSMIN PRODUCTION ; ANABAENA-CIRCINALIS ; OSCILLATORIA-BREVIS ; ODOROUS COMPOUNDS ; MUSTY-ODOR ; LAKE BIWA ; CYANOBACTERIA ; WATER ; BIOSYNTHESIS
语种: 英语
项目资助者: National Natural Science Foundation of China-Israel Science Foundation(41561144008) ; National Natural Science Foundation of China(31000183)
WOS记录号: WOS:000390090300019
ISSN号: 0921-8971
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/28752
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.Cent S Univ, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hunan, Peoples R China
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