Figure 7.
Figure 7. Effects of back extensions on cluster movement are guidance dependent. Mean instantaneous movement of the border cell cluster toward the oocyte binned by size of front extension as in Fig. 3 but divided into cases with only a front extension or both a front and a back extension. The rare events with side extensions as well were excluded. (A) Early control events; genotype, slboGal4, UAS-10×GFP/+. n = 1,336 (total) and 183 (with back extensions). (B) As in A, but with late events. n = 2,350 (total) and 142 (with back extensions). (C) As in A, but in the D-DN genotype, UAS-DN-EGFR/UAS-DN-PVR;slboGal4, UAS-10×GFP/+. The right-most category in A–C is without front extensions. n = 2,675 (total) and 664 (with back extensions). SEM is indicated. In C, the differences between front only and with back extensions are all significant (P < 0.01).

Effects of back extensions on cluster movement are guidance dependent. Mean instantaneous movement of the border cell cluster toward the oocyte binned by size of front extension as in Fig. 3 but divided into cases with only a front extension or both a front and a back extension. The rare events with side extensions as well were excluded. (A) Early control events; genotype, slboGal4, UAS-10×GFP/+. n = 1,336 (total) and 183 (with back extensions). (B) As in A, but with late events. n = 2,350 (total) and 142 (with back extensions). (C) As in A, but in the D-DN genotype, UAS-DN-EGFR/UAS-DN-PVR;slboGal4, UAS-10×GFP/+. The right-most category in A–C is without front extensions. n = 2,675 (total) and 664 (with back extensions). SEM is indicated. In C, the differences between front only and with back extensions are all significant (P < 0.01).

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