Border cell migration is delayed in <i>miR-989</i> mutant egg chambers.

<p>A Late stage 9 egg chambers, labelled with α-Slbo (white) and Phalloidin (green). Border cell clusters are highlighted by arrows. In <i>miR-989</i> mutant egg chambers, border cells were frequently delayed relative to the migrating main body follicular epithelium. B Quantification of the border cell migration phenotype in stage 9 and stage 10A egg chambers. Border cell migration is delayed in <i>miR-989</i> mutant egg chambers compared to heterozygous control egg chambers (*** p<0.001). X-Axis labels are in μm, error bars denote standard deviation. C Stage 10B egg chambers, labelled with α-Slbo (white) and Phalloidin (green). Border cell clusters are highlighted by arrows. Frequently, border cells had not reached the oocyte by this stage in <i>miR-989</i> mutant egg chambers. D Quantification of the border cell migration phenotype in stage 10B egg chambers.