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Differential interference contrast (DIC) and fluorescence images of fixed Drosophila embryos. (i–iii): DIC images, (iv–vi): fluorescence images, (vii–ix): merged images. Kr-F mRNA probe: 5′-[2′-OMe-RNA]-UCC UAA UUU UGU GCU; scrambled probe: 5′-[2′-OMe-RNA]-AGU CAC UUU UUC GUU. 340/15 nm excitation and 480/30 nm emission band-pass filters used. Adapted from reference 33 with permission from Elsevier.
