Inhibitory effect of Salicornia europaea on the marine alga Skeletonema costatum

查看全文 作　　者：JIANG [1,2]Dan;HUANG [3]LingFeng;LIN [3]YongQing;NIE [1]LingLing;LV [1]SuLian;KUANG [1]TingYun;LI [1]YinXin

机构地区：[1]Key Laboratoty of Plant Molecular Physiology,Institute of Botany,Chinese Academy of Sciences,Beijing 100093,China;[2]Graduate University of Chinese Academy of Sciences,Beijing 100080,China;[3]College of Oceanography and Environmental Science,Xiamen University,Xiamen 361005,China

出　　处：《Science China(Life Sciences)》索引2012年第55卷第6期,共8页

基　　金：supported by the Knowledge Innovation Project of Chinese Academy of Sciences(Grant No.KSCX2-EW-J-1);the National High Technology and Research Development Program of China(Grant No.2007AA091704) 摘　　要：Exploiting the negative biochemical interference between plants and algal species has been suggested as a method to control harmful algal blooms.In this work,we investigated the inhibitory effect of the salt marsh halophyte Salicornia europaea against the marine alga Skeletonema costatum.S.europaea suppressed the growth of S.costatum in a nutrient-sufficient co-culture system,indicating that the inhibition of algal growth was because of the phytotoxic effect of S.europaea,rather than nutrient competition.We tested aqueous and organic extracts from S.europaea roots against S.costatum.The organic extracts inhibited growth and affected the cell size and chlorophyll a content of S.costatum in a dose-dependent manner.Among the three tested organic extracts,the methanol extract had the greatest effects on S.costatum,followed by butanol extract,and then the chloroform extract.Two flavonoids,rutin and quercetin-3-D-glucoside,were identified in the methanol extract by high performance liquid chromatography.The concentration of rutin was much higher than that of quercetin-3-D-glucoside.In an algal bioassay,rutin inhibited the growth of S.costatum and the inhibitory effect increased with increasing rutin concentration and with decreasing initial algal density.Therefore,we concluded that S.europaea negatively affects the growth of S.costatum,and that rutin,a metabolite of S.europaea,may play a role in this inhibitory effect. 关键词：DOSE-DEPENDENT root extracts RUTIN Salicornia europaea Skeletonema costatum

相关文献

参考文献（37）
引证文献（8）
耦合文献（44）

参考文献(37)

引证文献(8)

耦合文献(44)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Inhibitory effect of Salicornia europaea on the marine alga Skeletonema costatum

参考文献(37)

引证文献(8)

耦合文献(44)

用户提示