Effects of solar UV radiation on photosynthetic performance of the diatom Skeletonema costatum grown under nitrate limited condition

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	Effects of solar UV radiation on photosynthetic performance of the diatom Skeletonema costatum grown under nitrate limited condition
	Li, G ; Gao, K
刊名	ALGAE
	2014
卷号	29 期号:1 页码:27-34
关键词	diatom N limitation N repletion photosynthesis Skeletonema costatum UVR
ISSN号	1226-2617
通讯作者	ksgao@xmu.edu.cn
中文摘要	Availability of nutrients is known to influence marine primary production; and it is of general interest to see how nutrient limitation mediates phytoplankton responses to solar ultraviolet radiation (UVR, 280-400 nm). The red tide diatom Skeletonema costatum was cultured under nitrate (N)-limited and N-replete conditions and exposed to different solar irradiation treatments with or without UV-A (315-400 nm) and UV-B (280-315 nm) radiation. Its photochemical quantum yield decreased by 13.6% in N-limited cells as compared to that in N-replete ones under photosynthetically active radiation (PAR)-alone treatment, and the presence of UV-A or UV-B decreased the yield further by 2.8 and 3.1%, respectively. The non-photochemical quenching (NPQ), when the cells were exposed to stressful light condition, was higher in N-limited than in N-replete grown cells by 180% under PAR alone, by 204% under PAR + UV-A and by 76% under PAR + UV-A + UV-B treatments. Our results indicate that the N limitation exacerbates the UVR effects on the S. costatum photosynthetic performance and stimulate its NPQ.
学科主题	Plant Sciences
收录类别	SCI
资助信息	National Natural Science Foundation [40930846, 41120164007, 41206132]; Program for Changjiang Scholars and Innovative Research Team [IRT_13R51]; China-Japan collaboration project from MOST [S2012GR0290]; Special Research Fund for the National Non-profit Institutes [2008M15]; MEL Visiting Fellowship Program [MELRS1006]
原文出处	KOREAN SOC PHYCOLOGY
WOS记录号	WOS:000338802000003
公开日期	2014-12-11
内容类型	期刊论文
源URL	[http://ir.scsio.ac.cn/handle/344004/10457]
专题	南海海洋研究所_中科院海洋生物资源可持续利用重点实验室
推荐引用方式 GB/T 7714	Li, G,Gao, K. Effects of solar UV radiation on photosynthetic performance of the diatom Skeletonema costatum grown under nitrate limited condition[J]. ALGAE,2014,29(1):27-34.
APA	Li, G,&Gao, K.(2014).Effects of solar UV radiation on photosynthetic performance of the diatom Skeletonema costatum grown under nitrate limited condition.ALGAE,29(1),27-34.
MLA	Li, G,et al."Effects of solar UV radiation on photosynthetic performance of the diatom Skeletonema costatum grown under nitrate limited condition".ALGAE 29.1(2014):27-34.