Low pH in simulated acid rain promotes the toxicity of copper on the physiological performance in Sargassum horneri
Zhong, Z. H.1; Qin, S.1; Wang, Y.1,2; Ma, C.1,3; Liu, Z. Y.1
发表期刊PHOTOSYNTHETICA
ISSN0300-3604
2020
卷号58期号:3页码:853-861
关键词environmental problem metal pollution photoprotective ability photosynthetic apparatus Sargassum beds
DOI10.32615/ps.2020.035
通讯作者Liu, Z. Y.(zyliu@yic.ac.cn)
英文摘要In order to investigate the interactive effects of simulated acid rain and copper (Cu) on macroalgae, Sargassum horneri was cultured under pH of 8.2, 5.6, 4.5 and Cu concentrations of 0, 25, 100 mu g L-1. Under the medium concentration of Cu, moderate pH mitigated the toxicity of Cu on S. horneri, while the low pH and high Cu concentration reduced the contents of chlorophyll (Chl) a and carotenoids. Furthermore, pH had no interaction with Cu on maximal Chl fluorescence or electron transport efficiency, while effective PSII quantum yield, maximum electron transport rate, and saturating irradiance were obviously affected by pH and Cu, and the interactive effects were significant. Additionally, with the increasing Cu concentration and decreasing pH, nonphotochemical quenching and regulated energy dissipation dropped sharply, while nonregulated energy dissipation increased. Therefore, the high concentration of Cu and low pH had synergistic effects on the photosynthetic performance and growth of S. horneri.
资助机构Technology Innovation Development Program of Yantai ; National Key R&D Program of China ; Shandong Province Science Foundation for Youths ; Key Research and Development Program of Yantai
收录类别SCI
语种英语
关键词[WOS]OCEAN ACIDIFICATION ; PHOTOSYNTHETIC RESPONSE ; EXCESS COPPER ; GROWTH ; ACCLIMATION ; ADAPTATION ; EQUATIONS ; NITROGEN ; CADMIUM ; HISTORY
研究领域[WOS]Plant Sciences
WOS记录号WOS:000540312300020
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.yic.ac.cn/handle/133337/28716
专题海岸带生物学与生物资源利用重点实验室
海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
通讯作者Liu, Z. Y.
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
2.Hohai Univ, Nanjing 210098, Jiangsu, Peoples R China
3.Shanxi Agr Univ, Jinzhong 030801, Shanxi, Peoples R China
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GB/T 7714
Zhong, Z. H.,Qin, S.,Wang, Y.,et al. Low pH in simulated acid rain promotes the toxicity of copper on the physiological performance in Sargassum horneri[J]. PHOTOSYNTHETICA,2020,58(3):853-861.
APA Zhong, Z. H.,Qin, S.,Wang, Y.,Ma, C.,&Liu, Z. Y..(2020).Low pH in simulated acid rain promotes the toxicity of copper on the physiological performance in Sargassum horneri.PHOTOSYNTHETICA,58(3),853-861.
MLA Zhong, Z. H.,et al."Low pH in simulated acid rain promotes the toxicity of copper on the physiological performance in Sargassum horneri".PHOTOSYNTHETICA 58.3(2020):853-861.
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