Reference

D.V. Ossipov, I.I. Skoblo, O.N. Borchsenius, NA. Lebedeva (1993): Interactions between Paramecium bursaria (Protozoa, Ciliophora, Hymenostomatida) and their nuclear symbionts I. Phenomenon of symbiogenic lysis of the bacterium Holospora acuminata – Europ. J. Protistol. – 29: 61 - 71.