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Diagrammatic representation of the sequence data for the genes with differential expression levels in the nonvirulent species/strains. The shading is indicative of the nucleotide identity (▩, ≥95% identity; ░⃞, >90% nucleotide identity; 
, >85% nucleotide identity; 
, >80% nucleotide identity; □, <80% nucleotide identity). ×, stop codons; ▵, mutated stop or start codons.
