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Functional Conservation of Cis-Regulatory Elements of Heat-Shock Genes over Long Evolutionary Distances

Figure 2

Expression patterns in C. elegans of Drosophila promoters of heat-shock genes fused to GFP.

Worms were heat shocked at 33°C for 1 hour and allowed to recover at 20°C for 6–7 hours. Images are composites adjusted for exposure and taken in different planes.

Figure 2