Potent allelopathy and non-PSTs, non-spirolides toxicity of the dinoflagellate Alexandrium leei to phytoplankton, finfish and zooplankton observed from laboratory bioassays

doi:10.1016/j.scitotenv.2021.146484

	Potent allelopathy and non-PSTs, non-spirolides toxicity of the dinoflagellate Alexandrium leei to phytoplankton, finfish and zooplankton observed from laboratory bioassays
	Shang, Lixia 1,2,3; Xu, Yangbing 4; Leaw, Chui Pin 5; Lim, Po Teen 5; Wang, Jiuming 6; Chen, Junhui 6; Deng, Yunyan 1,2,3; Hu, Zhangxi1,2,3 ; Tang, Ying Zhong 1,2,3
	2021-08-01
发表期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
卷号	780 页码:12
通讯作者	Hu, Zhangxi(zhu@qdio.ac.cn) ; Tang, Ying Zhong(yingzhong.tang@qdio.ac.cn)
摘要	The dinoflagellate genus Alexandrium has been well known for causing paralytic shellfish poisoning (PSP) worldwide. Several non-PSP toxin-producing species, however, have shown to exhibit fish-killing toxicity. Here, we report the allelopathic activity of Alexandrium leei from Malaysia to other algal species, and its toxicity to finfish and zooplankton, via laboratory bioassays. Thirteen microalgal species that co-cultured with Al. leei revealed large variability in the allelopathic effects of Al. leei on the test algae, with the growth inhibition rates ranging from 0 to 100%. The negative allelopathic effects of Al. leei on microalgae included loss of flagella and thus the motility, damages of chain structure, deformation in cell morphology, and eventually cell lysis. The finfish experienced 100% mortality within 24 h exposed to the live culture (2000-6710 cells center dot mL-1), while the rotifer and brine shrimp exhibited 96-100% and 90-100% mortalities within 48 h when exposed to 500-6000 cells center dot mL-1 of Al. leei. The mortality of the test animals depended on the Al. leei cell density exposed, leading to a linear relationship between mortality and cell density for the finfish, and a logarithmic relationship for the two zooplankters. When exposed to the treatments using Al. leei whole live culture, cell-free culture medium, extract of algal cells in the f/2-Si medium, extract of methanol, and the re-suspended freeze-and-thaw algal cells, the test organisms (Ak. sanguinea and rotifers) all died at the cell density of 8100 cells center dot mL-1 within 24 h. Toxin analyses by HILIC-ESI-TOF/MS and LC-ESI-MS/MS demonstrated that Al. leei did not produce PSP-toxins and 13-desmethyl
关键词	Harmful algal blooms (HABs) Ichthyotoxicity Allelochemicals Marine medaka Brine shrimp Rotifer
DOI	10.1016/j.scitotenv.2021.146484
收录类别	SCI
语种	英语
资助项目	National Science Foundation of China[41776125] ; National Science Foundation of China[41976134] ; Science & Technology Basic Resources Investigation Program of China[2018FY100200]
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Environmental Sciences
WOS记录号	WOS:000653087900007
出版者	ELSEVIER
引用统计	被引频次：11[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/337002/176811
专题	海洋生态与环境科学重点实验室
通讯作者	Hu, Zhangxi; Tang, Ying Zhong
作者单位	1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China 3.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China 4.Ocean Univ China, Fisheries Coll, Qingdao 266003, Peoples R China 5.Univ Malaya, Inst Ocean & Earth Sci, Bachok Marine Res Stn, Bachok 16310, Kelantan, Malaysia 6.Minist Nat Resources, Inst Oceanog 1, Key Lab Marine Ecoenvironm Sci & Technol, Marine Bioresource & Environm Res Ctr, Qingdao 266061, Peoples R China
第一作者单位	海洋生态与环境科学重点实验室; 中国科学院海洋大科学研究中心
通讯作者单位	海洋生态与环境科学重点实验室; 中国科学院海洋大科学研究中心
推荐引用方式 GB/T 7714	Shang, Lixia,Xu, Yangbing,Leaw, Chui Pin,et al. Potent allelopathy and non-PSTs, non-spirolides toxicity of the dinoflagellate Alexandrium leei to phytoplankton, finfish and zooplankton observed from laboratory bioassays[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,780:12.
APA	Shang, Lixia.,Xu, Yangbing.,Leaw, Chui Pin.,Lim, Po Teen.,Wang, Jiuming.,...&Tang, Ying Zhong.(2021).Potent allelopathy and non-PSTs, non-spirolides toxicity of the dinoflagellate Alexandrium leei to phytoplankton, finfish and zooplankton observed from laboratory bioassays.SCIENCE OF THE TOTAL ENVIRONMENT,780,12.
MLA	Shang, Lixia,et al."Potent allelopathy and non-PSTs, non-spirolides toxicity of the dinoflagellate Alexandrium leei to phytoplankton, finfish and zooplankton observed from laboratory bioassays".SCIENCE OF THE TOTAL ENVIRONMENT 780(2021):12.

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