Fig. 5

Effect of oysters genetic background and environmental conditions on oyster hemolymph microbiota structure in controlled and natural conditions. NMDS plots of Bray-Curtis dissimilarities for the bacterial (a), protistan (b) and viral (c) communities in the hatchery, and natural non-infectious and infectious environments. Bar plots are graphical representations of Permanova results for the bacterial (d), protistan (e) and viral (f) communities. Permanova model fit here is ~ environment*genitors’ origin *selection pressure (table on which the barplots are based can be found in Additional File 12: Table S11). The terms which are not significant are shown as shaded rectangles (for completeness), but should not be interpreted. Each term is described by the factor or interaction (interactions are marked by *) it represents (i.e. environment, environment * genitors’ origin …), followed by a specific contrast after the colon. Each term is more similar to a linear model coefficient (although it describes the variability explained), and is different from the shared amount of variability explained in redundancy analysis. Bacterial and protistan diversity estimates are based on OTUs, viral on contigs