
handle: 11336/106872
El herpesvirus bovino tipo 1 (BoHV-1) causa diversos síndromes clíncos en el ganado. Al igual que otros alfa-herpesvirus, el ciclo de vida del BoHV-1 puede dividirse en tres etapas: infección aguda, latencia y reactivación. Durante la infección aguda, BoHV-1 expresa una cascada de genes altamente regulados. Sin embargo, durante la latencia, la expresión de genes virales se ve restringida al gen relacionado a la latencia (gen LR) y al ORF-E. El gen LR es poliadenilado y sufre empalmes alternativos, por lo cual puede dar origen a una familia de proteínas. En esta revisión se analizan las propiedades del gen LR en relación a la inhibición de los genes virales inmediatamente-tempranos, el ciclo celular, la respuesta a interferón, la apoptosis, la infiltración de células mononucleares en ganglio trigémino, la interacción con C/EBP-alfa y la latencia viral en tejido linfoide. Se describen brevemente los hallazgos recientes sobre ORF-E.
Bovine herpesvirus type 1 (BoHV-1) causes several clinical syndromes in cattle. Like other alpha-herpesviruses, the life cycle of BoHV-1 can be divided in three stages: acute infection, latency and reactivation. During acute infection, BoHV-1 expresses a highly regulated cascade of genes. However, during latency, the expression of viral genes is restricted to the latency-related gene (LR gene) and ORF-E. The LR gene is polyadenilated and undergoes alternative splicing, giving rise to a family of proteins. In this review, the properties of the LR gene are analyzed in relation to the inhibition of viral immediate-early genes, the cell cycle, interferon response, apoptosis, infiltration of mononuclear cells in trigeminal ganglion, interaction with C/EBP-α and latency in lymphoid tissue. Briefly, the most recent findings on ORF-E are described.
Fil: Perez, Sandra. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Veterinarias. Departamento de Sanidad Animal y Medicina Preventiva. Laboratorio de Virología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
GEN LR, REACTIVACIÓN, https://purl.org/becyt/ford/4.3, HERPESVIRUS, https://purl.org/becyt/ford/4, LATENCIA
GEN LR, REACTIVACIÓN, https://purl.org/becyt/ford/4.3, HERPESVIRUS, https://purl.org/becyt/ford/4, LATENCIA
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