TABLE 7.

Change in amino acid coding identified for ORF30 that correlates with distribution of isolates according to EHV-1 disease severity

Significant amino acid in ORF30 sequence at position 752a (D/N)Amino acid encoded at positionb:No. of isolates from outbreaks of EHV-1 disease severity
753 (Y/S)760 (D/G)769 (H/N)NeurologicalNonneurologicalAttenuated
DYDH4241
DSDH001
NYDH4760
NYGH310
NYDN010
  • a Amino acid coding change D/N752 corresponds to nucleotide change G/A2254.

  • b Amino acid coding change Y/S753 corresponds to nucleotide change A/C2258, D/G760 corresponds to nucleotide change A/G2279, and H/N769 corresponds to nucleotide change C/A2305.