Fig. 6.
Elimination of LanB1 function affects the migration of different cell populations. (A-D) Embryos were labelled with anti-Hindsight (Hnt, brown) and anti-β-gal (blue) antibodies to visualise the midgut (mg) cells and to mark the balancer chromosome, respectively. (A,B) The mg primordia has completed its migration and met in the centre of stage 13 wild-type embryos (A, arrow). By contrast, migration is delayed in LanB1 mutant embryos (B, arrow). (C) Although mg constrictions are formed in stage 15 wild-type embryos, they are absent in LanB11B1 mutant embryos (D). (E,F) In stage 13 wild-type embryos, macrophages have migrated and covered the VNC (E). This migration fails in LanB11B1 embryos (F, arrowheads). (G-J) Similarly, migration of the visceral (H, arrowhead) and dorsal (H, arrow) branches of the trachea and salivary glands (J, arrowhead) is also affected in LanB11B1 embryos.