Fig. 2

Shared and specific bacterial taxa across the Nacella microenvironments. a Ternary plot showing the significantly enriched OTUs in each microenvironment. Size is scaled on the LDA scores from the LEfSE analysis. b Compositional barplot revealing the genus taxonomic assignation of the enriched OTUs (unc., unclassified). c Phylogenetic tree of the 130 OTUs shared across either rock, substrate, or intestine samples. The colors of the tree tips correspond to the core OTUs assignment at the class level. The adjacent heatmaps indicate the membership of the core OTUs to each microenvironment and its relative abundance within the core microbiota dataset