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Effects of light quality on growth rates and pigments of Chaetoceros gracilis (Bacillariophyceae)
Li Yongfu1,2,3; Li Ruiqian4; Yi Xiaoyan5
2020-05-01
发表期刊JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
卷号38期号:3页码:795-801
通讯作者Li Yongfu(liyongfu@qdio.ac.cn)
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
DOI10.1007/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:8[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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