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Fig. 4 | BMC Evolutionary Biology

Fig. 4

From: The evolution of heat shock protein sequences, cis-regulatory elements, and expression profiles in the eusocial Hymenoptera

Fig. 4

Relative fold increase in gene expression (+/− SD) for four inducible HSPs in A. picea and P. barbatus across different temperature treatment. Relative expression of hsp83 (a), hsc70-4 h1 (b), hsc70-4 h2 (c), and hsp40 (d) were normalized to the 18 s rRNA and β-actin, 18 s rRNA and GAPDH in A. picea (N = 4 per treatment) and P. barbatus (N = 3 per treatment), respectively. Significant up-regulation from 25 °C (A. picea) and 30 °C (P. barbatus) is denoted by ‘*’ from post hoc Tukey tests (p < 0.05)

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