Dynactin suppresses the retrograde movement of apically localized mRNA in Drosophila blastoderm embryos.
Motor dependent transport of mRNA is a key mechanism in axis specification during development. Apical transport and anchoring of wingless and pair-rule transcripts in the Drosophila syncytial blastoderm embryo is mediated by cytoplasmic Dynein, the major minus end directed microtubule dependent molecular motor. Here, we show that, despite apical transport of mRNA being highly directional, mRNA particles often pause and move backward toward the plus ends of microtubules. We suggest that this r...Expand abstract
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