Fig. 4From: A novel approach to probe host-pathogen interactions of bovine digital dermatitis, a model of a complex polymicrobial infectionAmount of predicted virulence factors grouped by their COG class. One or two asterisks indicate the classes in which a statistically significant enrichment or depletion of Spirochaetes virulence factors is observed (chi-square test) with a p-value less than 0.05 or 0.001, respectivelyBack to article page