Figure 5

SDS-PAGE of homogenate after 24 and 48 h food treatments. Activity stained SDS-PAGE of homogenate from D. magna grown on 100% S. obliquus for 24 h ("24 h S.o.") or 48 h ("48 h S.o."), D. magna grown on 20% NIVA CYA 43 (with chymotrypsin inhibitors) and 80% S. obliquus for 24 h ("24 h NIVA") or for another 24 h on 100% S. obliquus ("24 h NIVA + 24 h S.o."). White bands indicate active proteases. M = marker proteins.