(a) Bar chart showing relative abundance of bacteria in the pharynx at the phylum level in patients with psoriasis and controls. (b) Significant differences in the pharynx shown for the phylum Actinobacteria (false discovery rate (FDR); **p < 0.01). (c) Bar chart showing relative abundance of bacteria in the pharynx at the genus level in patients with psoriasis and controls. (d) Significant differences in the pharynx shown for the genera Prevotella, Campylobacter, Cutibacterium, Tepidimonas, ambiguous taxa of Absconditabacteriales order, Acidovorax and Staphylococcus. (FDR; *p < 0.05, ***p < 0.001).