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Growth inhibitory and antifeedant effects of sublethal concentrations of toosendanin on the rotifer Brachionus plicatilis
Huang, Yuan1,3; Liu, Jianguo1,2; Pang, Tong1,2; Li, Ling1,2
2017-04-01
Source PublicationBIOMASS & BIOENERGY
Volume99Pages:31-37
SubtypeArticle
AbstractToosendanin has been suggested as a potential agent for controlling zooplankton contamination in microalgal cultivation. Growth inhibitory and antifeedant influences of toosendanin on the rotifer Brachionus plicatilis were investigated. Sublethal concentrations of toosendanin (1.76-2.59 mg m(-3)) reduced population abundance of rotifers, decreased the lorica length and width, and shrank the body size of survivors notably. No changes were observed in the amictic egg sizes, although the egg production per female rotifer was decreased by toosendanin. Exposure to toosendanin for 4 h significantly decreased the rotifer chlorophyll consumption per individual, indicating the antifeedant effect on rotifers. Analysis on the digestive enzymes showed that exposure to toosendanin had no effect on cellulose activity, but reduced the activities of diastase, pepsase and tryptase in rotifer homogenate. In addition, the half saturation constant (Km) of tryptase was increased and the maximum velocity (V-max) of pepsase was decreased by toosendanin, suggesting the direct inhibition of these two proteases by toosendanin in B. plicatilis. This may contribute to the feeding deterrent property of toosendanin on rotifers. The present study heralds the very beginning of studies regarding the toxic mechanism of toosendanin on rotifers, and will accelerate its potential uses for zooplankton extermination in microalgal cultivation. (C) 2017 Elsevier Ltd. All rights reserved.
KeywordAmictic Egg Brachionus Plicatilis Body Size Digestive Enzyme Toosendanin
DOI10.1016/j.biombioe.2017.02.013
Indexed BySCI
Language英语
WOS IDWOS:000399515400004
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/136703
Collection海洋生物技术研发中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Natl Local Joint Engn Lab Ecol Mariculture, Qingdao 266071, Peoples R China
2.Yunnan Alphy Biotech Co Ltd, Natl Local Joint Engn Res Ctr Haematococcus Pluvi, Chuxiong 675012, Peoples R China
3.Nanjing Normal Univ, Sch Biol Sci, Jiangsu Key Lab Biodivers & Biotechnol, 1 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Huang, Yuan,Liu, Jianguo,Pang, Tong,et al. Growth inhibitory and antifeedant effects of sublethal concentrations of toosendanin on the rotifer Brachionus plicatilis[J]. BIOMASS & BIOENERGY,2017,99:31-37.
APA Huang, Yuan,Liu, Jianguo,Pang, Tong,&Li, Ling.(2017).Growth inhibitory and antifeedant effects of sublethal concentrations of toosendanin on the rotifer Brachionus plicatilis.BIOMASS & BIOENERGY,99,31-37.
MLA Huang, Yuan,et al."Growth inhibitory and antifeedant effects of sublethal concentrations of toosendanin on the rotifer Brachionus plicatilis".BIOMASS & BIOENERGY 99(2017):31-37.
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