Paramecium bursaria filled with the symbiotic alga (chlorella NC64A) that is the host for the chlorella viruses. As long as the chlorella is inside the Paramecium, it is protected from the viruses.

---

© 1999-2000 James L. Van Etten, University of Nebraska, Lincoln, Department of Plant Pathology - World of Chlorella Viruses Home Page
Last modified: