{"refrec":{"BRefID":366808,"RR":"<b>Delva, S.; De Baets, B.; Baetens, J.M.; De Clerck, O.; Stock, W.</b> (2023). No bacterial-mediated alleviation of thermal stress in a brown seaweed suggests the absence of ecological bacterial rescue effects. <i>Sci. Total Environ. 876</i>: 162532. <a href=\"https://dx.doi.org/10.1016/j.scitotenv.2023.162532\" target=\"_blank\">https://dx.doi.org/10.1016/j.scitotenv.2023.162532</a>","BEntID":364532,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Sci. Total Environ. 876</i>: 162532. <a href=\"https://dx.doi.org/10.1016/j.scitotenv.2023.162532\" target=\"_blank\">https://dx.doi.org/10.1016/j.scitotenv.2023.162532</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Delva, S.; De Baets, B.; Baetens, J.M.; De Clerck, O.; Stock, W.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Delva, S. <i>et al.</i>","Englishabstract":"While microbiome alterations are increasingly proposed as a rapid mechanism to buffer organisms under changing environmental conditions, studies of these processes in the marine realm are lagging far behind their terrestrial counterparts. Here, we used a controlled laboratory experiment to examine whether the thermal tolerance of the brown seaweed <i>Dictyota dichotoma</i>, a common species in European coastal ecosystems, could be enhanced by the repeated addition of bacteria from its natural environment. Juvenile algae from three genotypes were subjected for two weeks to a temperature gradient, spanning almost the entire thermal range that can be tolerated by the species (11–30 °C). At the start of the experiment and again in the middle of the experiment, the algae were inoculated with bacteria from their natural environment or left untouched as a control. Relative growth rate was measured over the two-week period, and we assessed bacterial community composition prior to and at the end of the experiment. Since the growth of <i>D. dichotoma</i> over the full thermal gradient was not affected by supplementing bacteria, our results indicate no scope for bacterial-mediated stress alleviation. The minimal changes in the bacterial communities linked to bacterial addition, particularly at temperatures above the thermal optimum (22–23 °C), suggest the existence of a barrier to bacterial recruitment. These findings indicate that ecological bacterial rescue is unlikely to play a role in mitigating the effects of ocean warming on this brown seaweed.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"No bacterial-mediated alleviation of thermal stress in a brown seaweed suggests the absence of ecological bacterial rescue effects","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-25 01:33:38.882549","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Ocean warming; Thermal response curves; Optimal growth; Seaweed microbiome; Bacterial rescue","OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2025-09-18","DateCreate":"2023-09-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000957599500001","VABBcode":null,"OpenAcc":1,"DOI":"10.1016/j.scitotenv.2023.162532"},"refs":null,"anarec":{"AnaID":366808,"PubliDate":2023,"Pagination":"162532","XtraPublOfAnaID":null,"ISBN":null,"Volume":"876","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43780,"SerRR":"Science of the Total Environment. 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