Figure 2. 6 day old electroporated embryos. P'2 electroporation program in A and P'2 electroporation programs from B to F. A : pBRJZ: Arrows show the main distribution of the staining. The red line displays the longitudinal axis of the embryonic body. B : pIE1BmLacZ C : pA3DSLacZ D : Xgal Control: pBRJZ injected embryo and Xgal stained without electroporation. Arrow shows the low Xgal staining background in the sub-oesophagian corpus. E et E': pBRJZ. F : pJGFP. G and H: GFP control: pJGFP injected embryo without electroporation, G : GFP filter, H : GFP filter in episcopic ordinary light. A-H (x25), E' (x50) embryos. E': magnification (photomontage) of the view E. Arrows show the ventral ganglionic chain.