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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: An enigmatic translocation of the vertebrate primordial eye field

Fig. 1

a, b, c Evidence for a translocating Optic Primordium. Cartoons adapted from previously published data [76]. Dorsal views of the ANP of wild-type zebrafish embryos (Danio rerio). Anterior to the top. The outline shows the limit of the EF (and Opl gene expression zone) and posterior indentation by the diencephalic ‘mar’ expression border subducting anteriorly. a, b Single RPCs were randomly labelled with lineage tracer (a mixture of rhodamine dextran and fluorescein dextran) at 80% epiboly. RPCs that matured in the right optic vesicle (c) are drawn here as dark circles, those that matured in the left optic vesicle (c) as clear circles. At 80% epiboly up to 30% of RPCs may have crossed the midline while the remaining 70% do so by tailbud. c at tailbud all RPCs (and progeny) are accounted for in optic vesicles as shown including within the presumptive optic stalk/chiasm (Maypole distribution). Cell numbers and locations in cartoon (c) are not intended to be precise

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