Figure 10. Time-lapse movie frames of an embryo injected about 40 minutes previously in interphase 13 with cycloheximide (to interphase arrest) and colcemid (to disrupt microtubules). The frames, spaced at ten second intervals, reveal the extreme cortical churning which this causes; it continues for hours. No such movements occur in wild-type embryos.
Fig. 10 may be viewed in a larger size [700 x 600 pixels, 1.5MB]. It also has associated movies.
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Time-lapse movie (30-to-1 time compression) of fruit fly embryo injected with cycloheximide to stall the mitotic cycle in interphase 12, and injected simultaneously with colcemid to disrupt microtubules.
The acto-myosin system runs amok.
| Time-lapse video of chaotic contraction waves after injecting cycloheximide. |
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pseudo-cleavage and buds project • back
