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pgp-2 is expressed in embryonic and adult intestinal cells. Shown are strains containing the pgp-2 promoter driving the expression of gfp (pgp-2::gfp) from an extrachromosomal transgene. Expression of gfp in E2 (A and B) and 1.5-fold–stage (C and D) embryos are shown. In A and B, asterisks mark the nuclei of the intestinal precursors. gfp was expressed within the adult intestine (E and F). In C–F, intestinal cells are located between the black arrowheads.
