Figure 1 (Left) Frozen hydrated virions of Paramecium bursaria Chlorella virus 1 (PBCV-1); (Right) Shaded-surface view of 3-dimensional reconstruction of PBCV-1 viewed along 3-fold axis. (Courtesy of X. Tan, N.H. Olson and T.S. Baker.) The bars represent 100 nm.
Figure 2 Phylogenetic tree of the DNA polymerases from members of the family Phycodnaviridae and other large dsDNA viruses generated using protein parsimony analysis of the 100 bootstrapped data sets. The numbers at the branches are the bootstrap values indicating the relative strengths of those branches. Abbreviations are : Phycodnaviridae : FsV, Feldmannia sp. Virus ; MpV-xx, viruses that infect Micromonas pusilla ; CbV-xx, viruses that infect Chrysochromulina brevifilum ; PBCV-1 and PBCV-NY2A, viruses that infect Chlorella NC64A ; Herpesviridae : HHV-1, Human herpesvirus 1 ; HHV-2, Human herpesvirus 2 ; SuHV-1, Suid herpesvirus 1 ; HHV-3, Human herpesvirus 3 ; HHV-4, Human herpesvirus 4 ; HHV-5, Human herpesvirus 5 ; MuHV-1, Murid herpesvirus 1; CavHV-2, Caviid herpesvirus 2 ; Poxviridae : VACV, Vaccinia virus ; CBEV, Choristoneura biennis entomopoxvirus ; FWPV, Fowl poxvirus ; Baculoviridae : AcMNPV, Autographa californica nucleopolyhedrovirus ; BmMNPV, Bombyx mori nucleopolyhedrovirus ; HzSNPV, Helicoverpa zea nucleopolyhedrovirus ; LdMNPV, Lymantria dispar nucleopolyhedrovirus ; Iridoviridae : LCDV, Lymphocystis disease virus ; Asfarviridae : ASFV, African swine fever virus. (Modified with permission from Lee et al. (1998). Journal of Phycology.)
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