Fig. 2

Genes of oxidative stress expression in Physalaemus ephippifer at different stages of larval development. (a) nfr2 expression. (b) gst expression. (c) gsr expression. (d) gclc expression. The absence of letters means that there are no statistical differences (p > 0.05). Different letters indicate statistical differences (p < 0.05). The values are given as mean ± standard error.