CAZy(mes)	carbohydrate-active enzyme(s)
ddH2O	doubled deionized water
GH48	glycoside hydrolase of family 48
GR	digestate (from German: Gärrest)
IS	in sacco
MAE	mean absolute error
MI	mesophilic-instable
MPN	most probable number
MS	mesophilic-stable
NGS	next-generation sequencing
NTC	non-template control
OTU	operational taxonomic unit
PRESS	predicted residual error sum of squares
qPCR	quantitative polymerase chain reaction
RMSE	root-mean-square error
RT	reverse transcription
TI	thermophilic-instable
TS	thermophilic-stable
txid	taxonomic identification number