title: Drivers and functionality of methanogenic niches within an arid landfill
design: Triplicate PCR using mcrA-mlas and mcrA-rev primers. Steinberg LM, Regan JM. 2008. Phylogenetic comparison of the methanogenic communities from an acidic, oligotrophic fen and an anaerobic digester treating municipal wastewater sludge. Appl Environ Microbiol 74:66636671. Contact corresponding author for more details.