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Contact: David Gilbert
DOE/Joint Genome Institute

Regulatory Regions Highlighted in Mouse Embryo

Caption: Activity pattern of one of nearly 5000 potential genetic switches (enhancers) identified by Visel et al. This particular switch is located on human chromosome 5 and turns on genes in developing mammalian limbs, as shown here by reporter gene staining (dark blue) in a transgenic mouse embryo.

Credit: Axel Visel, Lawrence Berkeley National Laboratory

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