Nitrogen source influences the interactions of comammox bacteria with aerobic nitrifiers.

ABSTRACT: While the co-existence of comammox Nitrospira with canonical nitrifiers is well documented in diverse ecosystems, there is still a dearth of knowledge about the mechanisms underpinning their interactions. Understanding these interaction mechanisms is important as they may play a critical role in governing nitrogen biotransformation in natural and engineered ecosystems. In this study, we tested the ability of two environmentally relevant factors (nitrogen source and availability) to shape interactions between strict ammonia and nitrite-oxidizing bacteria and comammox Nitrospira in continuous flow column reactors. The composition of inorganic nitrogen species in reactors fed either ammonia or urea was similar during the lowest input nitrogen concentration (1 mg-N/L), but higher

SUBMITTER: Vilardi KJ 

PROVIDER: S-EPMC11064514 | biostudies-literature | 2024 May

REPOSITORIES: biostudies-literature