{"refrec":{"BRefID":128661,"RR":"<b>Bossuyt, B.T.A.; Janssen, C.R.</b> (2005). Copper regulation and homeostasis of <i>Daphnia magna</i> and <i>Pseudokirchneriella subcapitata</i>: influence of acclimation. <i>Environ. Pollut. 136(1)</i>: 135-144. <a href=\"https://dx.doi.org/10.1016/j.envpol.2004.11.024\" target=\"_blank\">https://dx.doi.org/10.1016/j.envpol.2004.11.024</a>","BEntID":122750,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Environ. Pollut. 136(1)</i>: 135-144. <a href=\"https://dx.doi.org/10.1016/j.envpol.2004.11.024\" target=\"_blank\">https://dx.doi.org/10.1016/j.envpol.2004.11.024</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":1,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Bossuyt, B.T.A.; Janssen, C.R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Bossuyt, B.T.A.; Janssen, C.R.","Englishabstract":"This study aimed to evaluate (1) the capacity of the green alga <i>Pseudokirchneriella subcapitata</i> and the waterflea <i>Daphnia magna</i> to regulate copper when exposed to environmentally realistic copper concentrations and (2) the influence of multi-generation acclimation to these copper concentrations on copper bioaccumulation and homeostasis. Based on bioconcentration factors, active copper regulation was observed in algae up to 5 μg Cu L<sup>−1</sup> and in daphnids up to 35 μg Cu L<sup>−1</sup>. Constant body copper concentrations (13 ± 4 μg Cu g DW<sup>−1</sup>) were observed in algae exposed to 1 through 5 μg Cu L<sup>−1</sup> and in daphnids exposed to 1 through 12 μg Cu L<sup>−1</sup>. At higher exposure concentrations, there was an increase in internal body copper concentration, while no increase was observed in bioconcentration factors, suggesting the presence of a storage mechanism. At copper concentrations of 100 μg Cu L<sup>−1</sup> (<i>P. subcapitata</i>) and 150 μg Cu L<sup>−1</sup> (<i>D. magna</i>), the significant increases observed in body copper concentrations and in bioconcentration factors may be related to a failure of this regulation mechanism. For both organisms, internal body copper concentrations lower than 13 μg Cu g DW<sup>−1</sup> may result in copper deficiency. For <i>P. subcapitata</sup> acclimated to 0.5 and 100 μg Cu L<sup>−1</sup>, body copper concentrations ranged (mean ± standard deviation) between 5 ± 2 μg Cu g DW<sup>−1</sup> and 1300 ± 197 μg Cu g DW<sup>−1</sup>, respectively. For <i>D. magna</i>, this value ranged between 9 ± 2 μg Cu g DW<sup>−1</sup> and 175 ± 17 μg Cu g DW<sup>−1</sup> for daphnids acclimated to 0.5 and 150 μg Cu L<sup>−1</sup>. Multi-generation acclimation to copper concentrations ≥12 μg Cu L<sup>−1</sup> resulted in a decrease (up to 40%) in body copper concentrations for both organisms compared to the body copper concentration of the first generation. It can be concluded that there is an indication that <i>P. subcapitata</i> and <i>D. magna</i> can regulate their whole body copper concentration to maintain copper homeostasis within their optimal copper range and acclimation enhances these mechanisms.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Copper regulation and homeostasis of <i>Daphnia magna</i> and <i>Pseudokirchneriella subcapitata</i>: influence of acclimation","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-23 01:32:02.690280","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2020-10-29","DateCreate":"2009-01-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000228788700013","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.envpol.2004.11.024"},"refs":null,"anarec":{"AnaID":128661,"PubliDate":2005,"Pagination":"135-144","XtraPublOfAnaID":null,"ISBN":null,"Volume":"136","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42834,"SerRR":"Environmental Pollution. 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