Metagenomic profiling of ammonia and methane-oxidizing microorganisms in a Dutch drinking water treatment plant

In this study, we used genome-resolved metagenomics and gene-centric approaches to analyze microbial communities in a Dutch DWTP, with a special focus on ammonia and methane-oxidizing microorganisms. The groundwater entering the DWTP Breehei contains significant concentrations of organic (CH4) and inorganic (NH4+, Fe, Mn) nutrients, which are removed in two sequential rapid sand filters. Thus, it represents an interesting model system to study microbial communities involved in the biogeochemical cycling of these compounds.