Fig. 3
From: Viral community-wide auxiliary metabolic genes differ by lifestyles, habitats, and hosts
Expression profiles of lytic and temperate viral communities. a NMDS of the expression profiles of viral AMGs at KO level in the FL (free-living) and PA (particle-attached) samples. The expression level of each KO was calculated as the expression abundance (FPKM) divided by gene abundance (FPKM). b Numbers of active AMGs (KOs) across different lifestyles and habitats. The significant differences between the FL and PA samples were determined by Mann–Whitney U test (* P < 0.05, *** P < 0.001). Heatmaps of the highly expressed functional pathways in the lytic (c) and temperate (d) viral communities across different samples. The sidebar lengths represent the relative frequencies of samples, in which the expression level of the given AMG function was in the top ten (lytic) or top five (temperate). The right color bars showed the AMGs’ functional classes