An important step in the nitrogen cycle is the process called nitrification, which is performed by ammonia-oxidizing microorganisms (AOM): ammonia-oxidizing bacteria (AOB), ammonia-oxidizing archaea (AOA), and complete ammonia oxidizers (comammox). The question being researched was “when AOA and comammox are placed in direct competition for ammonium, who outcompetes who?” Comammox were only discovered in 2015, […]