monoassociated

mon·o·as·so·ci·at·ed

(mon'ō-ă-sō'shē-ā-ted),
Denoting a germ-free organism that becomes colonized by a single microbial species.
References in periodicals archive ?
They can range from abiotic germ-free mice, which have no microbiota, to monoassociated or polyassociated mice colonized by known bacterial communities.
Variable phenotypes of enterocolitis in interleukin 10-deficient mice monoassociated with two different commensal bacteria.