Figure 2

SUMO expression is enriched in the nucleus. (A–D) Stacked confocal images of subcellular localization of HIS-tagged GFP::smo-1 in RU86. (A) 6-cell stage embryo. Arrow, nuclear speckles. Star, mitotic chromosomes (B) Embryo at gastrulation stage. (C) Comma stage embryo. (D) Zoom in into adult worm showing expression in the intestine and (upper part of image) and germline (lower part of image). Arrow, vesicles. Arrowhead, apical membrane. Scale bar 10 µm.