| ménage-à-trois: the amoeba nuclearia sp. from lake zurich with its ecto- and endosymbiotic bacteria. | we present a fascinating triad relationship between a eukaryotic amoeba and its two bacterial symbionts. the morphological characteristics of the amoeba allowed for a confident assignment to the genus nuclearia (opisthokonta, nucleariidae), but species identification resulted in an ambiguous result. sequence analysis indicated an affiliation to the species n. thermophila, however, several morphological features contradict the original description. amoebal isolates were cultured for several years ... | 2014 | 25248027 |