{"refrec":{"BRefID":317163,"RR":"<b>Staal, M.; te Lintel Hekkert, S.; Herman, P.; Stal, L.</b> (2002). Comparison of models describing light dependence of N<sub>2</sub> fixation in heterocystous cyanobacteria. <i>Appl. Environ. Microbiol. 68(9)</i>: 4679-4683. <a href=\"https://dx.doi.org/10.1128/aem.68.9.4679-4683.2002\" target=\"_blank\">https://dx.doi.org/10.1128/aem.68.9.4679-4683.2002</a>","BEntID":310596,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Appl. Environ. Microbiol. 68(9)</i>: 4679-4683. <a href=\"https://dx.doi.org/10.1128/aem.68.9.4679-4683.2002\" target=\"_blank\">https://dx.doi.org/10.1128/aem.68.9.4679-4683.2002</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Staal, M.; te Lintel Hekkert, S.; Herman, P.; Stal, L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Staal, M. <i>et al.</i>","Englishabstract":"The abilities of four models to describe nitrogenase light-response curves were compared, using the heterocystous cyanobacterium <i>Nodularia spumigena</i> and a cyanobacterial bloom from the Baltic Sea as examples. All tested models gave a good fit of the data, and the rectangular hyperbola model is recommended for fitting nitrogenase-light response curves. This model describes an enzymatic process, while the others are empirical. It was possible to convert the process parameters between the four models and compare N2 fixation with photosynthesis. 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