{"refrec":{"BRefID":361897,"RR":"<b>Kumar, A.; Nonnis, S.; Castellano, I.; AbdElgawad, H.; Beemster, G.T.S.; Buia, M.C.; Maffioli, E.; Tedeschi, G.; Palumbo, A.</b> (2022). Molecular response of <i>Sargassum vulgare</i> to acidification at volcanic CO<sub>2</sub> vents: insights from proteomic and metabolite analyses. <i>Mol. Ecol. 31(14)</i>: 3844-3858. <a href=\"https://dx.doi.org/10.1111/mec.16553\" target=\"_blank\">https://dx.doi.org/10.1111/mec.16553</a>","BEntID":359613,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mol. Ecol. 31(14)</i>: 3844-3858. <a href=\"https://dx.doi.org/10.1111/mec.16553\" target=\"_blank\">https://dx.doi.org/10.1111/mec.16553</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Kumar, A.; Nonnis, S.; Castellano, I.; AbdElgawad, H.; Beemster, G.T.S.; Buia, M.C.; Maffioli, E.; Tedeschi, G.; Palumbo, A.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Kumar, A. <i>et al.</i>","Englishabstract":"Ocean acidification is impacting marine life all over the world. Understanding how species can cope with the changes in seawater carbonate chemistry represents a challenging issue. We addressed this topic using underwater CO<sub>2</sub> vents that naturally acidify some marine areas off the island of Ischia. In the most acidified area of the vents, having a mean pH value of 6.7, comparable to far-future predicted acidification scenarios (by 2300), the biomass is dominated by the brown alga <i>Sargassum vulgare</i>. The novelty of the present study is the characterization of the <i>S. vulgare</i> proteome together with metabolite analyses to identify the key proteins, metabolites, and pathways affected by ocean acidification. A total of 367 and 387 proteins were identified in populations grown at pH that approximates the current global average (8.1) and acidified sites, respectively. Analysis of their relative abundance revealed that 304 proteins are present in samples from both sites: 111 proteins are either higher or exclusively present under acidified conditions, whereas 120 proteins are either lower or present only under control conditions. Functionally, under acidification, a decrease in proteins related to translation and post-translational processes and an increase of proteins involved in photosynthesis, glycolysis, oxidation–reduction processes, and protein folding were observed. In addition, small-molecule metabolism was affected, leading to a decrease of some fatty acids and antioxidant compounds under acidification. Overall, the results obtained by proteins and metabolites analyses, integrated with previous transcriptomic, physiological, and biochemical studies, allowed us to delineate the molecular strategies adopted by <i>S. vulgare</i> to grow in future acidified environments, including an increase of proteins involved in energetic metabolism, oxidation–reduction processes, and protein folding at the expense of proteins involved in translation and post-translational processes.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Molecular response of <i>Sargassum vulgare</i> to acidification at volcanic CO<sub>2</sub> vents: insights from proteomic and metabolite analyses","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-27 01:32:38.719801","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"adaptation; CO2 seeps; macroalgae; metabolites; ocean acidification; proteins","OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2023-03-08","DateCreate":"2023-03-08","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000812867100001","VABBcode":null,"OpenAcc":0,"DOI":"10.1111/mec.16553"},"refs":null,"anarec":{"AnaID":361897,"PubliDate":2022,"Pagination":"3844-3858","XtraPublOfAnaID":null,"ISBN":null,"Volume":"31","Issue":"14","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45425,"SerRR":"Molecular Ecology. 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