Expression of Three mRNA Molecules in the
C. elegans Worm, Version #2  

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Submitted by Dong Hyun Kim of the van Oudeaarden Lab in the Department of Biology and the Department of Physics

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Dong Hyun Kim
van Oudenaarden Lab, Department of Biology and Department of Physics
Epi-Fluorescence Micrograph

"This image shows three different types of single mRNA molecules (red: lin-44, green: egl-20, blue: cwn-1) in the posterior body of C. elegans worm hatchlings.  The image was taken to quantitatively map the expression patterns of Wnt genes during post-embryonic development of C. elegans. Wnts are morphogens that controls a number of developmental processes such as cell growth, migration and induction of cell fates.  Each animal was re-arranged so that the tails are pointing outwards."