Ammonia determines transcriptional profile of microorganisms in anaerobic digestion

Abstract

Anaerobic digestion is important for the management of livestock manure with high ammonia level. Although ammonia effects on anaerobic digestion have been comprehensively studied, the molecular mechanism underlying ammonia inhibition still remains elusive. In this study, based on metatranscriptomic analysis, the transcriptional profile of microbial community in anaerobic digestion under low (1500 mg L−1) and high NH4+ (5000 mg L−1) concentrations, respectively, were revealed. The results showed that high NH4+ …