Additional File 2.

Two color time-lapse imaging shows that GFP-positive cells migrate relative to the neighboring cells. (A) GFP-positive cells are first visible posterior to rhodamine-labeled cells as bilateral lows of cells. (B-G) GFP-positive cells migrate posteriorly and medially, whereas rhodamine-labeled cells do not change their relative position. (H) At 24 hpf, all GFP-positive cells coalesced into a single islet, but the rhodamine-labeled cells remain separated at their original position. Arrows: rhodamine-labeled cells; t: time (minutes).

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Kim et al. BMC Biology 2005 3:23   doi:10.1186/1741-7007-3-23