Additional file 4.

Cells migrate towards the gonad from a ventral, posterior position in female embryos. Wild type female embryo carrying a Six4-nls-eGFP transgene. A small number of cells migrate to the gonad from parasegment 13 in a similar manner to the msSGPs observed in males. Some remain associated with the gonad while others move rapidly away. Images were captured at 2 minute intervals. The video was made from a single z section at each time point. The frame rate is 29.97 fps. Still images derived from this data are shown in Figure 2c.

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Clark et al. BMC Developmental Biology 2007 7:52   doi:10.1186/1471-213X-7-52