Fig. 3From: Methane-generating ammonia oxidizing nitrifiers within bio-filters in aquaculture tanksEvolutionary relationships among taxa for the dominant AOB communities based on the nearly full-length 16S rRNA gene sequences specific for AOB. The five dominant microbial genes sequences i.e., Clones; KB.13, KB.15, KB.16, KB.17 and KB.18 are classified to their most probable genera inferred using the Neighbor-Joining method, conducted in MEGA7Back to article page