GP5 and cystic fibrosis: In addition, the relative abundances of genera Parasegetibacter, Gp5, and Povalibacter were significantly higher (p < 0.05) in CBS treatments than in CF treatment, while those of eight genera (including Steroidobacter, Latescibacteria_genera_incertae_sedis, Gp11, Parasegetibacter, Gp15, Chondromyces, Gp5, and Gp22) were significantly higher (p < 0.05) in BS treatment than in CF treatment (Figure 2).