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DVDY_22215_SuppFig-S1.tif1591KSupp. Fig. S1. Characterisation of the bacterial CRE recombinase negative control riboprobe. Bright-field images show the detection of the bacterial CRE recombinase mRNA (A) in e18 Dlx5-6CRE/+ mouse retina and (B) lack of hybridization in transverse serial sections through HH stage-35 chick thigh muscle. Dark-field images (C,D) highlight the tissue extent and are of the same sections as in A,B. Scale bar = 200 μm in all panels.

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