Fig. 3.

DGGE banding patterns of a bacterial and b archaeal DNA isolated from samples obtained from the inlet, digester and slurry using various DNA extraction methods. I Inlet, D digester, S slurry, ZR ZR Soil Microbe DNA MiniPrep—Zymo research, QIA QIAamp Fast DNA Stool Mini Kit—QIAGEN, MN NucleoSpin Soil Kit—Macherey-Nagel, Mag-Man MagMAX Total Nucleic Acid Isolation Kit—Manual—Thermo Fisher Scientific, Mag-Aut MagMAX Total Nucleic Acid Isolation Kit—Automated—Thermo Fisher Scientific, PS Powersoil DNA Isolation Kit—MO BIO Laboratories, EPI Meta-G-Nome DNA Isolation Kit—Epicentre, CTAB CTAB based extraction