Fig. 1.

Circular map of the 197 693 bp IIV-22 genome. The outer scale is numbered clockwise in nt. Circles 1 and 2 (numbered from outside to inside) denote CDSs (forward strands in red; reverse strands in blue). The grey box in circle 3 represents the region that is found in inverse orientation in IIV-9. Green boxes in circle 4 represent ORF-free regions with a size over 200 bp. The orange box in circle 5 represents a pseudogene. Circle 6 represents local variations in G+C content along the genome sequence.