Fig. 4: Denitrifier community composition based on nirS gene sequencing.

A Principal component analysis (PCA) plots of denitrifier community compositions associated with Aiptasia, algal cultures, and food Artemia based on Euclidean distances. B Stacked bar plots showing denitrifier community compositions in Aiptasia, algal cultures, and food Artemia. Stacked bar plots display the 10 most abundant bacterial amplicon sequence variants (ASVs).