Mutual Exclusion of
Methanobrevibacter
Species in the Human Gut Microbiota Facilitates Directed Cultivation of a
Candidatus
Methanobrevibacter Intestini Representative
Methanogens are important hydrogen consumers in the gut and are associated with differing host health. Here, we determine the prevalence and abundance of archaeal species in the guts of a multi-ethnic cohort of healthy Singapore residents.