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Fig. 5. Branchial hsc70 (A), hsp70-1 (B) and hsp70-2 (C)
mRNA levels in northern (NH, hatched bars) and southern (GA, grey bars)
killifish in response to heat shock. Control (C) samples were taken prior to
experimentation, and handling controls (CH) were treated the same as the
experimental temperature groups but were transferred back to the acclimation
temperature of 20°C. All mRNA data is normalized to the control gene
EF-1
(values are mean ± s.e.m.; N=6).
Different letters indicate significant differences between treatments but
within a population, and an asterisk indicates a significant difference
between northern and southern fish within a treatment.