1887

Abstract

Summary

The genome structure of equine herpesvirus 1 (EHV-1) subtype 2 was shown by electron microscopic studies and restriction endonuclease site mapping to comprise two covalently linked segments (L, 109 kbp; S, 35 kbp). The S segment contains a unique sequence (U) flanked by a substantial inverted repeat (TR/IR). Thus, the genome structure of EHV-1 subtype 2 is similar to that published previously for EHV-1 subtype 1, but the two subtypes differ in the occurrences of RI and HI restriction sites. Hybridization studies using cloned EHV-1 DNA showed that the genome of EHV-1 subtype 2 is colinear with the genomes of EHV-1 subtype 1 and herpes simplex virus type 1. DNA sequence data for four EHV-1 subtype 2 genes, including one potentially encoding a glycoprotein, were obtained by sequencing a 4574 bp HI fragment containing the junction between U and TR. The genome structure, hybridization and sequence data confirm that EHV-1 subtype 2 is of the alphaherpesvirus lineage.

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/content/journal/jgv/10.1099/0022-1317-69-7-1575
1988-07-01
2019-10-13
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-69-7-1575
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