Expr9231
PTC-3::GFP expression is highly dynamic. In particular, high levels of PTC-3::GFP were detected in the hypodermis prior to hatching; expression also intensified in the hypodermis prior to each larval molt. PTC-3::GFP was also detected in the excretory duct, which is involved in maintaining ionic and osmotic regulation (Nelson and Riddle, 1984).