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Advances in Bioenergy
The microbiome residing in anaerobic digesters drives the anaerobic digestion (AD) process to convert various feedstocks to biogas as a renewable source of energy. This microbiome has been investigated in numerous studies in the last century. The early studies used cultivation-based methods and analysis to identify the four guilds (or functional groups) of microorganisms. Molecular biology techniques overcame the limitations of cultivation-based methods and allowed the identification ofdoi:10.1016/bs.aibe.2020.04.001 fatcat:67l5p6ecwvccnch2uwu46xmfkm