Fig. 4. Expression patterns of egl-4 promoter::gfp/nls fusions. Larvae (A-E,G) and an embryo (F) expressing green fluorescent protein (GFP) under promoter a (A-F) or promoter b (G). B and C are higher magnification images of head neurons (B) and a part of hypodermis (C) of the worm shown in A. Stages are L3 (A-C), L4 (G), young adult (D,E) and embryo (F). A-C, E and G are lateral views, and D is a ventral view. The images were obtained with a Zeiss LSM-410 (A-C,G) or LSM-510 (D-F) confocal microscope. Scale bars: 50 µm (A,D,E,G) and 20 µm (B,F).

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