Figure 1 (Left) Reconstruction of Cauliflower mosaic virus (CaMV) surface structure showing T = 7 symmetry. (Right) Cutaway surface reconstruction showing multilayer structure. (From Cheng, Olson and Baker, 1992.)
Figure 2 Circular (top) and linearized (bottom) genome maps of Cauliflower mosaic virus (CaMV). ORFs or ORF segments encoding a protein are represented by boxes shaded in different patterns according to the different putative functions of the genes (vertical lines for the putative movement protein, slanted lines for the capsid protein and horizontal lines for the reverse transcriptase protein). The symbols used are the following: movement protein active site, * RNA binding site, protease active site, reverse transcriptase active site, RNAse H consensus sequence. The map starts at the intergenic region of the circular genome for convenience, the arrow shows the position of the promoter and the number 1 indicates the origin of DNA replication.
Figure 3 Linearized genome map of Petunia vein clearing virus (PVCV). ORFs or ORF segments encoding a protein are represented by boxes shaded in different patterns according to the different putative functions of the genes (vertical lines for the putative movement protein and horizontal lines for the reverse transcriptase protein). The symbols used are the following: movement protein active site, protease active site, reverse transcriptase active site, RNAse H consensus sequence. The map starts at the intergenic region of the circular genome for convenience, the arrow shows the position of the promoter and the number 1 indicates the origin of DNA replication.
Figure 4 Linearized genome map of Soybean chlorotic mottle virus (SbCMV). ORFs or ORF segments encoding a protein are represented by boxes shaded in different patterns according to the different putative functions of the genes (vertical lines for the putative movement protein, slanted lines for the capsid protein and horizontal lines for the reverse transcriptase protein). The symbols used are the following: movement protein active site, * RNA binding site, protease active site, reverse transcriptase active site, RNAse H consensus sequence. The map starts at the intergenic region of the circular genome for convenience, the arrow shows the position of the promoter and the number 1 indicates the origin of DNA replication.
Figure 5 Linearized genome map of Cassava vein mosaic virus (CsVMV). ORFs or ORF segments encoding a protein are represented by boxes shaded in different patterns according to the different putative functions of the genes (vertical lines for the putative movement protein, slanted lines for the capsid protein and horizontal lines for the reverse transcriptase protein). The symbols used are the following: movement protein active site, * RNA binding site, protease active site, reverse transcriptase active site, RNAse H consensus sequence. The map starts at the intergenic region of the circular genome for convenience, the arrow shows the position of the promoter and the number 1 indicates the origin of DNA replication.
Figure 6 Negative contrast electron micrograph of particles of Commelina yellow mottle virus (ComYMV), stained with 2% sodium phosphotungstate, pH 7.0. The bar represents 100 nm.
Figure 7 Linearized genome organization of Commelina yellow mottle virus (ComYMV). ORFs or ORF segments encoding a protein are represented by boxes shaded in different patterns according to the different putative functions of the genes (vertical lines for the putative movement protein, slanted lines for the capsid protein and horizontal lines for the reverse transcriptase protein). The symbols used are the following: movement protein active site, * RNA binding site, protease active site, reverse transcriptase active site, RNAse H consensus sequence. The map starts at the intergenic region of the circular genome for convenience, the arrow shows the position of the promoter and the number 1 indicates the origin of DNA replication.
Figure 8 Linearized genome map of Rice tungro bacilliform virus (RTBV). ORFs or ORF segments encoding a protein are represented by boxes shaded in different patterns according to the different putative functions of the genes (vertical lines for the putative movement protein, slanted lines for the capsid protein and horizontal lines for the reverse transcriptase protein). The symbols used are the following: movement protein active site, * RNA binding site, protease active site, reverse transcriptase active site, RNAse H consensus sequence. The map starts at the intergenic region of the circular genome for convenience, the arrow shows the position of the promoter and the number 1 indicates the origin of DNA replication.
Figure 9 Neighbor-joining dendrogram of sequence relationships among species of the different genera of the family Caulimoviridae. The reverse transcriptase amino-acid sequence alignment and dendrogram were produced using MegAlign (DNAStar program), which uses a CLUSTAL-type algorithm. Horizontal distances are proportional to sequence distances; vertical distances are arbitrary. The dendrogram was bootstrapped 100 times (percent scores shown at nodes), and rooted on a random sequence.
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