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Fig. 6. Dynein is required for the efficient transport of grk RNA
particles towards ring canals. (A,B) Trails of grk
RNA injected into wild-type (A; wt) and dhc mutant (B) nurse cells.
Schematics on the left represent the site of injection (red outline) and show
the average speed±standard error of the mean, the number of egg
chambers injected and the total number of particles tracked for analysis.
Trails at 1 second intervals were superimposed (0.5 minute duration). Red
arrows indicate the direction of RNA-particle movement; broken lines show
those particles that seem to follow nurse cell cytoplasmic streaming, and were
thus not tracked for analysis. A decrease in the speed of grk RNA
particles in dhc mutants is observed by the differences in distance
travelled (*) (also see Movie 6 in the supplementary material).
Anterior is to the left and dorsal is to the top. Scale bar: 5 µm in B for
A,B.
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