[1.1] - These trios have been speculated as an opportunistic group with specific species of C. amycolatum, C. lactis of genus Corynebacterium, P. asaccharolytica, P. bennonis, P. somerae, P. unonis of genus Porphyromonas and P. birria, P. buccalis, P. disiens, P. timonensis of genus Prevotella, which are drastically altered in PD
