{"refrec":{"BRefID":364966,"RR":"<b>Lintner, M.; Lintner, B.; Schagerl, M.; Wanek, W.; Heinz, P.</b> (2023). The change in metabolic activity of a large benthic foraminifera as a function of light supply. <i>NPG Scientific Reports 13(1)</i>: 8240. <a href=\"https://dx.doi.org/10.1038/s41598-023-35342-x\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-023-35342-x</a>","BEntID":362686,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 13(1)</i>: 8240. <a href=\"https://dx.doi.org/10.1038/s41598-023-35342-x\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-023-35342-x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Lintner, M.; Lintner, B.; Schagerl, M.; Wanek, W.; Heinz, P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Lintner, M. <i>et al.</i>","Englishabstract":"We studied metabolic activity of the symbiont-bearing large benthic foraminifer <i>Heterostegina depressa</i> under different light conditions. Besides the overall photosynthetic performance of the photosymbionts estimated by means of variable fluorescence, the isotope uptake (<sup>13</sup>C and <sup>15</sup>N) of the specimens (= holobionts) was measured. <i>Heterostegina depressa</i> was either incubated in darkness over a period of 15&nbsp;days or exposed to an 16:8&nbsp;h light:dark cycle mimicking natural light conditions. We found photosynthetic performance to be highly related to light supply. The photosymbionts, however, survived prolonged darkness and could be reactivated after 15&nbsp;days of darkness. The same pattern was found in the isotope uptake of the holobionts. Based on these results, we propose that <sup>13</sup>C-carbonate and <sup>15</sup>N-nitrate assimilation is mainly controlled by the photosymbionts, whereas <sup>15</sup>N-ammonium and <sup>13</sup>C-glucose utilization is regulated by both, the symbiont and the host cells.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The change in metabolic activity of a large benthic foraminifera as a function of light supply","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-14 01:32:10.255598","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2023-05-25","DateCreate":"2023-05-25","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001002770200001","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-023-35342-x"},"refs":null,"anarec":{"AnaID":364966,"PubliDate":2023,"Pagination":"8240","XtraPublOfAnaID":null,"ISBN":null,"Volume":"13","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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