Fig. 4

Bacterial diversity dynamic as assessed by high-throughput 16S rDNA amplicon sequencing. The data is represented at the phyla level for Bacteria (a) and family level for Archaea (b). The reactors fed with biomass cultivated with replete and low nitrogen content (replete-N BM and low-N BM) were exposed to increasing organic loading rates OLR 2 (2 g VS L⁻¹ day⁻¹) and OLR 4 (4 g VS L⁻¹ day⁻¹). The inoculum and the sampling periods at the end of each OLR were chosen for microbial community monitoring