{"refrec":{"BRefID":293744,"RR":"<b>Kumar, A.; AbdElgawad, H.; Castellano, I.; Lorenti, M.; Delledonne, M.; Beemster, G.T.S.; Asard, H.; Buia, M.C.; Palumbo, A.</b> (2017). Physiological and biochemical analyses shed light on the response of <i>Sargassum vulgare</i> to ocean acidification at different time scales. <i>Front. Plant Sci. 8</i>: 570. <a href=\"https://dx.doi.org/10.3389/fpls.2017.00570\" target=\"_blank\">https://dx.doi.org/10.3389/fpls.2017.00570</a>","BEntID":285808,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Front. Plant Sci. 8</i>: 570. <a href=\"https://dx.doi.org/10.3389/fpls.2017.00570\" target=\"_blank\">https://dx.doi.org/10.3389/fpls.2017.00570</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Kumar, A.; AbdElgawad, H.; Castellano, I.; Lorenti, M.; Delledonne, M.; Beemster, G.T.S.; Asard, H.; Buia, M.C.; Palumbo, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kumar, A. <i>et al.</i>","Englishabstract":"Studies regarding macroalgal responses to ocean acidification (OA) are mostly limited to short-term experiments in controlled conditions, which hamper the possibility to scale up the observations to long-term effects in the natural environment. To gain a broader perspective, we utilized volcanic CO<sub>2</sub> vents as a “natural laboratory” to study OA effects on <i>Sargassum vulgare</i> at different time scales. We measured photosynthetic rates, oxidative stress levels, antioxidant contents, antioxidant enzyme activities, and activities of oxidative metabolic enzymes in <i>S. vulgare</i> growing at a natural acidified site (pH 6.7) compared to samples from a site with current pH (pH 8.2), used as a control one. These variables were also tested in plants transplanted from the control to the acidified site and <i>vice-versa</i>. After short-term exposure, photosynthetic rates and energy metabolism were increased in <i>S. vulgare</i> together with oxidative damage. However, in natural populations under long-term conditions photosynthetic rates were similar, the activity of oxidative metabolic enzymes was maintained, and no sign of oxidative damages was observed. The differences in the response of the macroalga indicate that the natural population at the acidified site is adapted to live at the lowered pH. The results suggest that this macroalga can adopt biochemical and physiological strategies to grow in future acidified oceans.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Physiological and biochemical analyses shed light on the response of <i>Sargassum vulgare</i> to ocean acidification at different time scales","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-04 01:31:25.525995","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"macroalgae; ocean acidification; Sargassum vulgare; CO2 vents;transplants","OtherDescriptors":null,"Notes":null,"AnaPub":2017,"MonPub":null,"DateUpdate":"2018-03-22","DateCreate":"2018-03-12","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000399457600001","VABBcode":null,"OpenAcc":1,"DOI":"10.3389/fpls.2017.00570"},"refs":null,"anarec":{"AnaID":293744,"PubliDate":2017,"Pagination":"570","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":258967,"SerRR":"Frontiers in Plant Science. 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