Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1002/ece3.1805 |
Intraspecific variation in defense against a generalist lepidopteran herbivore in populations of Eruca sativa (Mill.) | |
Ogran, Ariel1,2; Landau, Netanel1,3; Hanin, Nir1; Levy, Maggie3; Gafni, Yedidya1; Barazani, Oz1 | |
通讯作者 | Barazani, Oz |
来源期刊 | ECOLOGY AND EVOLUTION
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ISSN | 2045-7758 |
出版年 | 2016 |
卷号 | 6期号:1页码:363-374 |
英文摘要 | Populations of Eruca sativa (Brassicaceae) from desert and Mediterranean (Med) habitats in Israel differ in their defense against larvae of the generalist Spodoptera littoralis but not the specialist Pieris brassicae. Larvae of the generalist insect feeding on plants of the Med population gained significantly less weight than those feeding on the desert plants, and exogenous application of methyl jasmonate (MJ) on leaves of the Med plants significantly reduced the level of damage created by the generalist larvae. However, MJ treatment significantly induced resistance in plants of the desert population, whereas the generalist larvae caused similar damage to MJ-induced and noninduced plants. Analyses of glucosinolates and expression of genes in their synthesis pathway indicated that defense in plants of the Med population against the generalist insect is governed by the accumulation of glucosinolates. In plants of the desert population, trypsin proteinase inhibitor activity was highly induced in response to herbivory by S. littoralis. Analysis of genes in the defense-regulating signaling pathways suggested that in response to herbivory, differences between populations in the induced levels of jasmonic acid, ethylene, and salicylic acid mediate the differential defenses against the insect. In addition, expression analysis of myrosinase-associated protein NSP2 suggested that in plants of the desert population, glucosinolates breakdown products were primarily directed to nitrile production. We suggest that proteinase inhibitors provide an effective defense in the desert plants, in which glucosinolate production is directed to the less toxic nitriles. The ecological role of nitrile production in preventing infestation by specialists is discussed. |
英文关键词 | Glucosinolate induced defense isothiocyanate jasmonic acid nitrile proteinase inhibitor |
类型 | Article |
语种 | 英语 |
国家 | Israel |
收录类别 | SCI-E |
WOS记录号 | WOS:000369164000030 |
WOS关键词 | ARABIDOPSIS-THALIANA ; GLUCOSINOLATE HYDROLYSIS ; NICOTIANA-ATTENUATA ; SIGNALING PATHWAYS ; TOMATO PLANTS ; BRASSICA-RAPA ; SPECIALIST HERBIVORE ; TRYPSIN-INHIBITOR ; GENETIC-VARIATION ; INSECT HERBIVORY |
WOS类目 | Ecology ; Evolutionary Biology |
WOS研究方向 | Environmental Sciences & Ecology ; Evolutionary Biology |
来源机构 | Hebrew University of Jerusalem |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/192460 |
作者单位 | 1.Agr Res Org, Volcani Ctr, Inst Plant Sci, IL-50250 Bet Dagan, Israel; 2.Bar Ilan Univ, Mina & Everard Goodman Fac Life Sci, IL-5290002 Ramat Gan, Israel; 3.Hebrew Univ Jerusalem, Robert H Smith Fac Agr Food & Environm, IL-76100 Rehovot, Israel |
推荐引用方式 GB/T 7714 | Ogran, Ariel,Landau, Netanel,Hanin, Nir,et al. Intraspecific variation in defense against a generalist lepidopteran herbivore in populations of Eruca sativa (Mill.)[J]. Hebrew University of Jerusalem,2016,6(1):363-374. |
APA | Ogran, Ariel,Landau, Netanel,Hanin, Nir,Levy, Maggie,Gafni, Yedidya,&Barazani, Oz.(2016).Intraspecific variation in defense against a generalist lepidopteran herbivore in populations of Eruca sativa (Mill.).ECOLOGY AND EVOLUTION,6(1),363-374. |
MLA | Ogran, Ariel,et al."Intraspecific variation in defense against a generalist lepidopteran herbivore in populations of Eruca sativa (Mill.)".ECOLOGY AND EVOLUTION 6.1(2016):363-374. |
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