Fig. 5. Dichaete regulates NB formation. High-magnification ventral views of stage 11 wild-type (A), Dichaete (B), vnd (C) and vnd; Dichaete (D) embryos labeled for Castor protein. (A) At stage 11 in wild-type embryos, a Castor-positive NB 6-1 forms in every hemisegment (arrows). (B) In Dichaete mutant embryos NB 6-1 forms in most hemisegments (arrows indicate Castor-positive NB6-1; arrowheads indicate the absence of NB6-1). (C) In vnd mutant embryos NB 6-1 forms in roughly one-third of all hemisegments (arrows); arrowhead indicates the absence of NB6-1. (D) In vnd; Dichaete double mutant embryos, NB 6-1 rarely forms (arrow); arrowheads indicate the absence of NB 6-1. Anterior is towards the left and the line indicates the ventral midline.
