{"refrec":{"BRefID":117923,"RR":"<b>Hernando, M.P.; Carreto, J.I.; Carignan, M.O.; Ferreyra, G.A.; Gross, C.</b> (2002). Effects of solar radiation on growth and mycosporine-like amino acids content in <i>Thalassiosira</i> sp, an Antarctic diatom, <b><i>in</i></b>: Arntz, W.E. <i>et al.</i> (Ed.) <i>Ecological studies in the Antarctic sea ice zone: results of EASIZ Midterm Symposium.</i> pp. 237-245","BEntID":306993,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Arntz, W.E. <i>et al.</i> <i>Ecological studies in the Antarctic sea ice zone: results of EASIZ Midterm Symposium.</i> pp. 237-245","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Hernando, M.P.; Carreto, J.I.; Carignan, M.O.; Ferreyra, G.A.; Gross, C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Hernando, M.P. <i>et al.</i>","Englishabstract":"The main objective of this study was to investigate the role of mycosporine-like amino acids (MAAs) in the short-term (hours) and long-term (several days) photoacclimation to solar ultraviolet radiation (UVR) of a marine Antarctic diatom (<i>Thalassiosira </i>sp.). The cultures were exposed to natural solar radiation and grown over 72 h and 6 days under three experimental irradiance treatments: (1) photosynthetic available radiation (PAR) + UVR (280-700 nm), (2) PAR + UVA (315-700 nm), and (3) PAR (400-700 nm). Two MAAs were identified and quantified in the cells: porphyra-334 and shinorine. The cultures showed an initial period of growth inhibition and the rate of synthesis of MAAs (µ) was very high in all treatments in the short-term experiment and during the first 2 days of the long-term experiment. No differences between treatments were observed in the accumulation of these compounds. After 2 days of exposure, however, the MAA content per cell was several times higher than that initially found in all treatments, and the cells exposed to the PAR + UVR treatment displayed the maximum concentration.","AbstractOtherLang":null,"BibLvlCode":"AM","StandardTitle":"Effects of solar radiation on growth and mycosporine-like amino acids content in <i>Thalassiosira</i> sp, an Antarctic diatom","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2002,"MonPub":null,"DateUpdate":"2019-08-28","DateCreate":"2007-12-12","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":117923,"PubliDate":2002,"Pagination":"237-245","XtraPublOfAnaID":null,"ISBN":"3-540-43218-3","Volume":null,"Issue":null,"BRefMon":117752,"BRefMonRR":"<b>Arntz, W.E.; Clarke, A. (Ed.)</b> (2002). Ecological studies in the Antarctic sea ice zone: Results of EASIZ Midterm Symposium. Springer: Berlin. ISBN 3-540-43218-3. 277 pp.","BRefXtra":null,"BRefXtraRR":null,"SerBRefID":null,"SerRR":null,"StandardTitleSer":null,"ISSN":null,"AbbrevSer":null,"StandardTitleMon":"Ecological studies in the Antarctic sea ice zone: Results of EASIZ Midterm Symposium","StartPage":237,"Pages":9,"ToPubliDate":null,"BRefBibLvlCode":"M","SerNotes":null,"AutString":"Arntz, W.E.; Clarke, A. (Ed.)"},"monrec":null,"serrec":null,"relations":[{"YBRefID":117870,"RefStrFull":"<b>Hernando, M.P.; Carreto, J.I.; Carignan, M.O.; Ferreyra, G.A.; Gross, C.</b> (2002). 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