Fig. 1. Tlr expression pattern. (A) Expression of tlr transcript in the muscles of a stage 13 embryo by in situ hybridization. (B) Same stage embryo stained with an anti-Tlr antibody and rolled to show the Tlr protein expression in muscles. (C) tlr transcript is present in the imaginal discs (arrows) and in a distinct pattern in the CNS of the late embryos. (D) Tlr protein expression in the CNS (upper view) and in the corpus allatum portion of the ring gland (arrow in lower view) in a stage 17 embryo. (E-E'') Tlr protein (E', red in E'') is expressed in the corpus allatum of an embryo whereas phantom>GFP is in the prothoracic portion of the ring gland (E, green in E'').