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Fig. 6. Individual olig2:EGFP+ neural plate cells produce
single types of neurons in mib-/- embryos.
(A-E) Lateral views of the spinal cord of 24- to 30-hpf
mib-/-;Tg(olig2:egfp) zebrafish embryos, with
anterior to left and dorsal at the top. In each case, a single
EGFP+ cell was labeled with vital dye (red) at 10 hpf. (A,B)
Labeled cells that did not divide but differentiated into a PMN and VeLD.
(C,D) Examples of individual EGFP+ clones that produced only PMNs,
as determined by axons that projected out of the spinal cord to muscle. (E)
Example of an EGFP+ clone that produced two VeLD interneurons.
Scale bar: 20 µm.