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Fig. 1. The pattern of tissue-specific transcript responses to chronic cooling. The
numbers on the vertical axis represent the 23 clusters determined by K-means
technique of the 1701 genes not involved in the tissue common response. The
average expression for all genes at a particular time point for each tissue in
the cooling treatment was calculated relative to control specimens held
throughout at 30°C. Red indicates upregulation and green, downregulation.
Redrawn and simplified from a figure published elsewhere
(Gracey et al., 2004).