{"refrec":{"BRefID":289309,"RR":"<b>Borell, E.M.; Steinke, M.; Horwitz, R.; Fine, M.</b> (2014). Increasing <i>p</i>CO<sub>2</sub> correlates with low concentrations of intracellular dimethylsulfoniopropionate in the sea anemone <i>Anemonia viridis</i>. <i>Ecol. Evol. 4(4)</i>: 441-449. <a href=\"https://dx.doi.org/10.1002/ece3.946\" target=\"_blank\">https://dx.doi.org/10.1002/ece3.946</a>","BEntID":281346,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Ecol. Evol. 4(4)</i>: 441-449. <a href=\"https://dx.doi.org/10.1002/ece3.946\" target=\"_blank\">https://dx.doi.org/10.1002/ece3.946</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Borell, E.M.; Steinke, M.; Horwitz, R.; Fine, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Borell, E.M. <i>et al.</i>","Englishabstract":"Marine anthozoans maintain a mutualistic symbiosis with dinoflagellates that are prolific producers of the algal secondary metabolite dimethylsulfoniopropionate (DMSP), the precursor of the climate-cooling trace gas dimethyl sulfide (DMS). Surprisingly, little is known about the physiological role of DMSP in anthozoans and the environmental factors that regulate its production. Here, we assessed the potential functional role of DMSP as an antioxidant and determined how future increases in seawater <i>p</i>CO<sub>2</sub> may affect DMSP concentrations in the anemone <i>Anemonia viridis</i> along a natural <i>p</i>CO<sub>2</sub> gradient at the island of Vulcano, Italy. There was no significant difference in zooxanthellae genotype and characteristics (density of zooxanthellae, and chlorophyll a) as well as protein concentrations between anemones from three stations along the gradient, V1 (3232 <i>μ</i>atm CO<sub>2</sub>), V2 (682 <i>μ</i>atm) and control (463 <i>μ</i>atm), which indicated that <i>A. viridis</i> can acclimate to various seawater <i>p</i>CO<sub>2</sub>. In contrast, DMSP concentrations in anemones from stations V1 (33.23 ± 8.30 fmol cell<sup>−1</sup>) and V2 (34.78 ± 8.69 fmol cell<sup>−1</sup>) were about 35% lower than concentrations in tentacles from the control station (51.85 ± 12.96 fmol cell<sup>−1</sup>). Furthermore, low tissue concentrations of DMSP coincided with low activities of the antioxidant enzyme superoxide dismutase (SOD). Superoxide dismutase activity for both host (7.84 ± 1.37 U·mg<sup>−1</sup> protein) and zooxanthellae (2.84 ± 0.41 U·mg<sup>−1</sup> protein) at V1 was 40% lower than at the control station (host: 13.19 ± 1.42; zooxanthellae: 4.72 ± 0.57 U·mg<sup>−1</sup> protein). Our results provide insight into coastal DMSP production under predicted environmental change and support the function of DMSP as an antioxidant in symbiotic anthozoans.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Increasing <i>p</i>CO<sub>2</sub> correlates with low concentrations of intracellular dimethylsulfoniopropionate in the sea anemone <i>Anemonia viridis</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-20 01:32:23.326441","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Chlorophyll;CO2 vent; DMSP ;primary research article;protein;superoxide dismutase;zooxanthellae","OtherDescriptors":null,"Notes":null,"AnaPub":2014,"MonPub":null,"DateUpdate":"2017-09-26","DateCreate":"2017-09-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000331354500011","VABBcode":null,"OpenAcc":1,"DOI":"10.1002/ece3.946"},"refs":null,"anarec":{"AnaID":289309,"PubliDate":2014,"Pagination":"441-449","XtraPublOfAnaID":null,"ISBN":null,"Volume":"4","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":212989,"SerRR":"Ecology and Evolution. 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