Additional file 8.
Comparative hierarchical clustering of heart and lens expression values. Hierarchical clustering of expressions levels in regenerating hearts (columns 1 to 9), and lenses (dorsal iris, columns 10 to 12; ventral iris, columns 13 to 15) during regeneration. Only transcripts with valid array expressions for at least 13 columns are represented. The blue cluster represents a subset of transcripts that are down-regulated at at least two stages of heart and lens regeneration. The yellow cluster marks a set of transcripts that are up-regulated during late stages of heart regeneration but lacks an obvious pattern in the regenerating lens. The red cluster represents a set of transcripts that are inversely regulated at late stages of lens regeneration but lacks an obvious pattern in the regenerating heart with the exception of a smaller subfraction that was strongly up-regulated during early heart regeneration (6 hours after heart injury). The green cluster marks a set of transcripts that are uniformly up-regulated during late stages of heart and lens regeneration. The purple cluster highlights a set of transcripts that are strongly up-regulated in regenerating lens and in the regenerating heart between 1 to 4 days after damage. All heatmap members with cluster affiliation and expression values are provided in Additional file 9.
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Looso et al. Genome Biology 2013 14:R16 doi:10.1186/gb-2013-14-2-r16