Figure 4From: Isolation and characterization of a virus (CvV-BW1) that infects symbiotic algae of Paramecium bursaria in Lake Biwa, JapanPolyhedral particles, attaching to the external surface of the algal cell wall (TEM, upper panel) and released particles (SEM, lower panel) of Chlorella variabilis virus. CvV-BW1 is on the left (A and C) and CvV-BW3 is on the right (B and D). Scale bars are 100 nm.Back to article page