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Fig. 5. mRNA expression patterns of myoD family member genes and a schematic
representation of s-smlc1 expression during the 30–45 ss.
Numbers i-v represent the following cRNA probes: (i) smyf5, (ii)
smyoD1a, (iii) smyoG, (iv) sMRF4 and (v)
s-smlc1. Letters A–D represent specific regions marked on
schematic drawings of whole embryos from different stages (diagram on left
side of figure). Images on the left of each box are dorsal perspective
flat-mounts. Images on the right of each box are 18 µm cryosections from
the region identified by a black arrow. Red arrows show the position of the
last somite. *Magnified flat-mount of smyf5 expression to
show the lack of expression in adaxial myoblasts. Abbreviations are as in
Fig. 4 with the addition of s,
somite; psm, presomitic mesoderm. Scale bars, 50 µm.