Figure 3From: Sex-inducing effect of a hydrophilic fraction on reproductive switching in the planarian Dugesia ryukyuensis (Seriata, Tricladida)Quantification of the sex-inducing activity by northern blot analysis of Dryg. Ten test worms each were used for total RNA extraction after the feeding assay shown in Table 2. The bands (black arrowhead) were quantified using the programme ImageJ, and the relative values are shown at the bottom of the figure. Fr., fraction.Back to article page