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DOI: 10.1371/journal.pone.0086047
论文题名:
The Effect of Diel Temperature and Light Cycles on the Growth of Nannochloropsis oculata in a Photobioreactor Matrix
作者: Bojan Tamburic; Supriya Guruprasad; Dale T. Radford; Milán Szabó; Ross McC Lilley; Anthony W. D. Larkum; Jim B. Franklin; David M. Kramer; Susan I. Blackburn; John A. Raven; Martin Schliep; Peter J. Ralph
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2014
发表日期: 2014-1-20
卷: 9, 期:1
语种: 英语
英文关键词: Photosynthesis ; Oxygen ; Biofuels ; Dissolved oxygen ; Light ; Lipids ; Chlorophyll ; Photons
英文摘要: A matrix of photobioreactors integrated with metabolic sensors was used to examine the combined impact of light and temperature variations on the growth and physiology of the biofuel candidate microalgal species Nannochloropsis oculata. The experiments were performed with algal cultures maintained at a constant 20°C versus a 15°C to 25°C diel temperature cycle, where light intensity also followed a diel cycle with a maximum irradiance of 1920 µmol photons m−2 s−1. No differences in algal growth (Chlorophyll a) were found between the two environmental regimes; however, the metabolic processes responded differently throughout the day to the change in environmental conditions. The variable temperature treatment resulted in greater damage to photosystem II due to the combined effect of strong light and high temperature. Cellular functions responded differently to conditions before midday as opposed to the afternoon, leading to strong hysteresis in dissolved oxygen concentration, quantum yield of photosystem II and net photosynthesis. Overnight metabolism performed differently, probably as a result of the temperature impact on respiration. Our photobioreactor matrix has produced novel insights into the physiological response of Nannochloropsis oculata to simulated environmental conditions. This information can be used to predict the effectiveness of deploying Nannochloropsis oculata in similar field conditions for commercial biofuel production.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0086047&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/19183
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia;Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, Michigan, United States of America;Marine and Atmospheric Research, Commonwealth Scientific and Industrial Research Organisation, Hobart, Tasmania, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia;Division of Plant Sciences, University of Dundee at the James Hutton Institute, Invergowrie, Scotland, United Kingdom;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, New South Wales, Australia

Recommended Citation:
Bojan Tamburic,Supriya Guruprasad,Dale T. Radford,et al. The Effect of Diel Temperature and Light Cycles on the Growth of Nannochloropsis oculata in a Photobioreactor Matrix[J]. PLOS ONE,2014-01-01,9(1)
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