{"refrec":{"BRefID":353173,"RR":"<b>Vinuganesh, A.; Kumar, A.; Prakash, S.; Alotaibi, M.O.; Saleh, A.M.; Mohammed, A.E.; Beemster, G.T.S.; AbdElgawad, H.</b> (2022). Influence of seawater acidification on biochemical composition and oxidative status of green algae <i>Ulva compressa</i>. <i>Sci. Total Environ. 806(Part 1)</i>: 150445. <a href=\"https://dx.doi.org/10.1016/j.scitotenv.2021.150445\" target=\"_blank\">https://dx.doi.org/10.1016/j.scitotenv.2021.150445</a>","BEntID":350882,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Sci. Total Environ. 806(Part 1)</i>: 150445. <a href=\"https://dx.doi.org/10.1016/j.scitotenv.2021.150445\" target=\"_blank\">https://dx.doi.org/10.1016/j.scitotenv.2021.150445</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Vinuganesh, A.; Kumar, A.; Prakash, S.; Alotaibi, M.O.; Saleh, A.M.; Mohammed, A.E.; Beemster, G.T.S.; AbdElgawad, H.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Vinuganesh, A. <i>et al.</i>","Englishabstract":"The sequestration of elevated atmospheric CO<sub>2</sub> levels in seawater results in increasing acidification of oceans and it is unclear what the consequences of this will be on seaweed ecophysiology and ecological services they provide in the coastal ecosystem. In the present study, we examined the physiological and biochemical response of intertidal green seaweed <i>Ulva compressa</i> to elevated pCO<sub>2</sub> induced acidification. The green seaweed was exposed to control (pH 8.1) and acidified (pH 7.7) conditions for 2 weeks following which net primary productivity, pigment content, oxidative status and antioxidant enzymes, primary and secondary metabolites, and mineral content were assessed. We observed an increase in primary productivity of the acidified samples, which was associated with increased levels of photosynthetic pigments. Consequently, primary metabolites levels were increased in the thalli grown under lowered pH conditions. There was also richness in various minerals and polyunsaturated fatty acids, indicating that the low pH elevated the nutritional quality of <i>U. compressa</i>. We found that low pH reduced malondialdehyde (MDA) content, suggesting reduced oxidative stress. Consistently we found reduced total antioxidant capacity and a general reduction in the majority of enzymatic and non-enzymatic antioxidants in the thalli grown under acidified conditions. Our results indicate that <i>U. compressa</i> will benefit from seawater acidification by improving productivity. Biochemical changes will affect its nutritional qualities, which may impact the food chain/food web under future acidified ocean conditions.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Influence of seawater acidification on biochemical composition and oxidative status of green algae <i>Ulva compressa</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-21 01:33:10.333562","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Seaweed; Climate change; Productivity; Minerals; Oxidative stress; Metabolites","OtherDescriptors":null,"Notes":null,"AnaPub":2022,"MonPub":null,"DateUpdate":"2022-10-06","DateCreate":"2022-06-28","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000707657300011","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.scitotenv.2021.150445"},"refs":null,"anarec":{"AnaID":353173,"PubliDate":2022,"Pagination":"150445","XtraPublOfAnaID":null,"ISBN":null,"Volume":"806","Issue":"Part 1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43780,"SerRR":"Science of the Total Environment. 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