TDGF	trait-determining genetic feature
R	fiber-rich diet
F	fiber-free diet
FR	alternation of a fiber-rich diet and fiber-free diet
P	prebiotic diet
FP	alternation of a prebiotic and fiber-free diet
TBQM	trait-based quantification method method
TPM	transcript per million [42]
CPM	copies per million [18]
EC	Enzyme Commission