Fig. 5

Matrix representing Pearson’s correlation coefficients between log₂-transformed RQs of the qPCR-analyzed transcripts (rows) and the log₂-transformed levels of different lipid composition parameters (columns) in the liver of salmon fed the experimental diets. Significant differences among diets (one-way ANOVA, p < 0.05) are indicated on the right of the transcript abbreviations and below the phenotypic variables. Transcriptomic and phenotypic data were arranged based on a hierarchical clustering performed using Pearson correlation resemblance matrices (PRIMER, Version 6.1.15, Ivybridge, UK). Dendrograms next to transcript abbreviations and above lipid parameters represent the results of the hierarchical clustering analyses. EPA: eicosapentaenoic acid (20:5ω3); ARA: arachidonic acid (20:4ω6); SFA: saturated fatty acids; PUFA: polyunsaturated fatty acid; DHA: docosahexaenoic acid (22:6ω3)