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. 2011 Oct 28;6(10):e26850. doi: 10.1371/journal.pone.0026850

Figure 2. Expression levels of genes involved in stress and defense systems in the copepod Calanus helgolandicus.

Figure 2

Changes in expression levels of Heat shock protein 70 (HSP70) and 40 (HSP40), Cytochrome P450-4 (CYP4), Glutathione S-Transferase (GST), Glutathione Synthase (GSH-S), Catalase (CAT) and Superoxide Dismutase (SOD) genes in C. helgolandicus fed either unialgal diets of Skeletonema marinoi (S. marinoi) or Chaetoceros socialis (C. socialis) compared to expression levels in females fed on the control Rhodomonas baltica (represented in the figure by x-axis) (** with p value<0.01, students't-test, GraphPad Software). The ribosomal protein S20 was used as reference gene to normalize the data.