{"refrec":{"BRefID":7582,"RR":"Muyssen, B.T.A.; Janssen, C.R.<\/b> (2001). Zinc acclimation and its effect on the zinc tolerance of Raphidocelis subcapitata<\/i> and Chlorella vulgaris<\/i> in laboratory experiments. Chemosphere 45(4-5)<\/i>: 507-514. https:\/\/dx.doi.org\/10.1016\/S0045-6535(01)00047-9<\/a>","BEntID":7582,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". Chemosphere 45(4-5)<\/i>: 507-514. https:\/\/dx.doi.org\/10.1016\/S0045-6535(01)00047-9<\/a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":1,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Muyssen, B.T.A.; Janssen, C.R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Muyssen, B.T.A.; Janssen, C.R.","Englishabstract":"The effect of zinc acclimation of Raphidocelis subcapitata<\/i> (syn. Selenastrum capricornutum<\/i>) and Chlorella vulgaris<\/i> on their sensitivity towards this metal was examined in a series of laboratory experiments. These two commonly used algal species were acclimated to 65 \u03bcg Zn\/l and changes in zinc tolerance were monitored using standard growth inhibition tests. The chemically defined ISO medium was used as a control culture medium. Both species demonstrated a maximum increase in zinc tolerance of a factor of 3 after 100 days of acclimation. Shifts in the shape of the concentration-response curve due to acclimation were observed for R. subcapitata<\/i>. Compared to non-acclimated algae, acclimated R. subcapitata<\/i> exhibited higher growth rates in all zinc treatments as well as in the controls. This suggests that the use of ISO-medium results in sub-optimal growth due to zinc deficiency. These effects could not be demonstrated for C. vulgaris<\/i>. The zinc tolerance of both species decreased significantly one week after returning the acclimated algae to control (ISO) medium. 72hEC50 values based on growth rate were two to four times higher than those calculated using biomass measurements. Algal toxicity test results, particularly if used for metal risk assessments, must not be conducted using nutrient deficient media.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Zinc acclimation and its effect on the zinc tolerance of Raphidocelis subcapitata<\/i> and Chlorella vulgaris<\/i> in laboratory experiments","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":2001,"MonPub":null,"DateUpdate":"2014-11-21","DateCreate":"2001-04-13","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000171451900012","VABBcode":null,"OpenAcc":0,"DOI":"10.1016\/S0045-6535(01)00047-9"},"refs":null,"anarec":{"AnaID":7582,"PubliDate":2001,"Pagination":"507-514","XtraPublOfAnaID":null,"ISBN":null,"Volume":"45","Issue":"4-5","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42564,"SerRR":"Chemosphere. 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