Effects of light quality on growth rates and pigments of Chaetoceros gracilis (Bacillariophyceae)

doi:10.1007/s00343-019-9171-0

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	Effects of light quality on growth rates and pigments of Chaetoceros gracilis (Bacillariophyceae)
	Li Yongfu 1,2,3; Li Ruiqian 4; Yi Xiaoyan 5
	2020-05-01
发表期刊	JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN	2096-5508
卷号	38 期号:3 页码:795-801
通讯作者	Li Yongfu([email protected])
摘要	Light is an important parameter in algal culturing. In this work, the effects of different light qualities on growth of the marine diatom Chaetoceros gracilis are evaluated. The cells were cultured under light quantum flux density of 60 mu mol photons/(m(2)center dot s) with nine light qualities: LED red light (LR), LED blue light (LB), LED red plus LED blue light (LR+LB), LED white light (LW), fluorescent white light (FW), and combinations of LW and FW lights with increased proportions of red or blue light (FW+LR, FW+LB, LW+LR, and LW+LB). Blue light promoted the growth of C. gracilis largely. Three light qualities, FW+LR, LW+LR, and LR, resulted in the lowest growth rate. Both chlorophyll and carotenoids reached the highest level under LB and the lowest level under LR among monochromatic light sources; however, increasing of the proportion of blue or red light in the white light induced an increase of the chlorophyll and carotenoid concentrations. Light absorption ability of microalgae was critical for the growth of these organisms, as we observed a positive correlation between the extinction coefficient at different wavelengths and the specific growth rate. These findings are of importance to improve the culturing of this alga in bioreactors.
关键词	Chaetoceros gracilis light quality pigments wavelength effect mean extinction coefficients
DOI	10.1007/s00343-019-9171-0
收录类别	SCI
语种	英语
WOS研究方向	Marine & Freshwater Biology ; Oceanography
WOS类目	Limnology ; Oceanography
WOS记录号	WOS:000536606000017
出版者	SCIENCE PRESS
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/167567
专题	实验海洋生物学重点实验室
通讯作者	Li Yongfu
作者单位	1.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China 3.Chinese Acad Sci, Nantong Res & Dev Ctr Marine Sci & Technol, Inst Oceanol, Nantong 226019, Peoples R China 4.Ocean Univ China, Sch Int Affairs & Publ Adm, Qingdao 266100, Peoples R China 5.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Mengla 666303, Peoples R China
第一作者单位	中国科学院海洋大科学研究中心; 中国科学院海洋研究所
通讯作者单位	中国科学院海洋大科学研究中心; 中国科学院海洋研究所
推荐引用方式 GB/T 7714	Li Yongfu,Li Ruiqian,Yi Xiaoyan. Effects of light quality on growth rates and pigments of Chaetoceros gracilis (Bacillariophyceae)[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2020,38(3):795-801.
APA	Li Yongfu,Li Ruiqian,&Yi Xiaoyan.(2020).Effects of light quality on growth rates and pigments of Chaetoceros gracilis (Bacillariophyceae).JOURNAL OF OCEANOLOGY AND LIMNOLOGY,38(3),795-801.
MLA	Li Yongfu,et al."Effects of light quality on growth rates and pigments of Chaetoceros gracilis (Bacillariophyceae)".JOURNAL OF OCEANOLOGY AND LIMNOLOGY 38.3(2020):795-801.

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