(C, C') Pgrl-4::
grl-4::GFP is weakly expressed in the hypodermis. Tail region is shown (arrows point to the nuclei of the hypodermal cells). (D, D') The GFP-tagged GRL-4 protein is not associated with the shed cuticle (the arrow points to the anus). A'-D' are DIC images corresponding to the fluorescent images A-D, respectively.