title: AOA_amoA_methylferulate_3days
design: The ammonia monooxygenase subunit A (amoA) gene of ammonia-oxidizing archaea (AOA) was amplified using the archaeal-specific primer pair Arch-amoAF (5-STAATGGTCTGGCTTAGACG-3) and Arch-amoAR (5-GCGGCCATCCATCTGTATGT-3), as described by Francis et al., 2005 (DOI: 10.1128/AEM.02640-32