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(A) Transcription profiles of a miRNA (red) and its target (green), favorable for stripe generation. See Methods for parameter values.
(B) Expression of the target is restricted to the middle of the tissue even when the miRNA cannot diffuse (D = 0, green). Mobility of the miRNA makes target expression more focused (D = 0.001, blue): target expression in the stripe is enhanced, and the stripe boundaries become sharp.
