Additional file 1 of BrrICE1.1 is associated with putrescine synthesis through regulation of the arginine decarboxylase gene in freezing tolerance of turnip (Brassica rapa var. rapa)

Additional file 1: Figure S1. The decision of power value. a The horizontal axis represents different power values. b The average network connectivity under different power values. c Network heatmap, the gene expression profile of the entire module.