Table 2.

Bacterial groups detectable by terminal restriction fragment-length polymorphism (T-RFLP).

Gut Microbiome	Oral Microbiome
<restriction enzyme: Bsl I>	<restriction enzyme: Hha I>	<restriction enzyme: Msp I>
Bifidobacterium	Streptococcus	Streptococcus
Lactobacillales	Streptococcus, Eubacterium	Eubacterium, Parvimonas
Bacteroides	Streptococcus, Veillonella	Eubacterium, Filifactor
Prevotella	Parvimonas	Eubacterium
Clostridium cluster IV	Fusobacterium, Neisseria	Veillonella
Clostridium cluster IX	Porphyromonas, Prevotella	Fusobacterium
Clostridium cluster XI	Filifactor	Porphyromonas, Prevotella
Clostridium cluster XIVa	others	Neisseria
Clostridium cluster XVIII		others
others