{"refrec":{"BRefID":289354,"RR":"<b>Zambounis, A.; Strittmatter, M.; Gachon, C.M.M.</b> (2013). Chronic stress and disease resistance in the genome model marine seaweed <i>Ectocarpus siliculosus</i>. <i>Aquat. Bot. 104</i>: 147-152. <a href=\"https://dx.doi.org/10.1016/j.aquabot.2012.07.008\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquabot.2012.07.008</a>","BEntID":281391,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Aquat. Bot. 104</i>: 147-152. <a href=\"https://dx.doi.org/10.1016/j.aquabot.2012.07.008\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquabot.2012.07.008</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Zambounis, A.; Strittmatter, M.; Gachon, C.M.M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Zambounis, A.; Strittmatter, M.; Gachon, C.M.M.","Englishabstract":"In order to test the capacity of the genome model seaweed <i>Ectocarpus siliculosus</i> to acquire disease resistance, plantlets were repeatedly treated with the polyunsaturated fatty acids (PUFAs) linolenic and arachidonic acid in conditions known to increase the resistance of the kelp <i>Laminaria digitate</i> against the endophytic parasite <i>Laminariocolax tomentosoides</i>. Hydrogen peroxide, a well documented inducer of antioxidative defenses, was also applied as a positive control. Real-time PCR transcriptional profiling revealed an induction of a vanadium-bromoperoxidase, a heat-shock protein, a glutaredoxin and a glutathione S transferase, suggesting a transcriptional remodelling during chronic stress. We further assessed the resistance of <i>E. siliculosus</i> against the oomycete pathogen <i>Eurychasma dicksonii</i> following repeated exposure to arachidonic and linolenic acids. In contrast to observations made on <i>L. digitate</i>, we did not evidence any significant change in resistance compared to mock-treated control <i>E. siliculosus</i>. Altogether, our observations imply that <i>E. siliculosus</i> does react transcriptionally to chronic PUFA exposure. However, these inducible defenses may not be as potent as the ones of <i>L. digitate</i>, or they might be efficiently bypassed by <i>Eu. dicksonii.</i>","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Chronic stress and disease resistance in the genome model marine seaweed <i>Ectocarpus siliculosus</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-21 01:32:37.174341","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Brown alga; Chronic stress; Ectocarpus siliculosus; Polyunsaturatedfatty acid; Eurychasma dicksonii; Immunity; Induced resistance","OtherDescriptors":null,"Notes":null,"AnaPub":2013,"MonPub":null,"DateUpdate":"2020-09-24","DateCreate":"2017-09-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000313478700018","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.aquabot.2012.07.008"},"refs":null,"anarec":{"AnaID":289354,"PubliDate":2013,"Pagination":"147-152","XtraPublOfAnaID":null,"ISBN":null,"Volume":"104","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42195,"SerRR":"Aquatic Botany. 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