Figure 6.
Fluorescence of gst-4::GFP, hsp-4::GFP, mtl-1::GFP, and mtl-2::GFP strains following hormesis treatments. Treatment paradigm includes animals treated at the L1 stage for 30 minutes, allowed to grow to the L4 stage, assessed for fluorescence or treated again and assessed for fluorescence after second treatment (A). Decreases were noted in fluorescence in gst-4::GFP and hsp-4::GFP animals after a single treatment and recovery (B, n=4). After an initial treatment with MeHg and subsequent exposure to control treatment conditions, gst-4::GFP animals showed an increase in fluorescence (p<0.05). At higher subsequent MeHg levels and in all conditions of hsp-4::GFP, mtl-1::GFP, and mtl-2::GFP worms only decreases in fluorescence at increasing MeHg concentrations were noted (C-F, n=4).