March 18, 2010

During development of an organ or tissue, individual cells must translate positional information into gene expression, which generates changes in tissue morphology. The developing wing in the fruit fly Drosophila is a great model for this, and recent work reveals how one gene is differentially expressed in the wing imaginal disc. The image above shows the symmetrical expression of this gene, optomotor-blind (omb), along the anterior-posterior axis (left-to-right in this image).

Reference: Jie Shen, Christian Dahmann and Gert O Pflugfelder. Authors’ BMC Developmental Biology paper can be found here.

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