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DOI: 10.1371/journal.pone.0112809
论文题名:
Spectral Effects on Symbiodinium Photobiology Studied with a Programmable Light Engine
作者: Daniel Wangpraseurt; Bojan Tamburic; Milán Szabó; David Suggett; Peter J. Ralph; Michael Kühl
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2014
发表日期: 2014-11-12
卷: 9, 期:11
语种: 英语
英文关键词: Light ; Photosynthesis ; Corals ; Photons ; Coral reefs ; Fluorescence ; Engines ; Light pulses
英文摘要: The spectral light field of Symbiodinium within the tissue of the coral animal host can deviate strongly from the ambient light field on a coral reef and that of artificial light sources used in lab studies on coral photobiology. Here, we used a novel approach involving light microsensor measurements and a programmable light engine to reconstruct the spectral light field that Symbiodinium is exposed to inside the coral host and the light field of a conventional halogen lamp in a comparative study of Symbiodinium photobiology. We found that extracellular gross photosynthetic O2 evolution was unchanged under different spectral illumination, while the more red-weighted halogen lamp spectrum decreased PSII electron transport rates and there was a trend towards increased light-enhanced dark respiration rates under excess irradiance. The approach provided here allows for reconstructing and comparing intra-tissue coral light fields and other complex spectral compositions of incident irradiance. This novel combination of sensor technologies provides a framework to studying the influence of macro- and microscale optics on Symbiodinium photobiology with unprecedented spectral resolution.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0112809&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/18274
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, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, Australia;Plant Functional Biology and Climate Change Cluster, University of Technology Sydney, Sydney, Australia;Marine Biological Section, Department of Biology, University of Copenhagen, Helsingør, Denmark;Singapore Centre on Environmental Life Sciences Engineering, School of Biological Sciences, Nanyang Technological University, Singapore, Singapore

Recommended Citation:
Daniel Wangpraseurt,Bojan Tamburic,Milán Szabó,et al. Spectral Effects on Symbiodinium Photobiology Studied with a Programmable Light Engine[J]. PLOS ONE,2014-01-01,9(11)
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