ArticleJournal of virology2024
A cell cycle regulator, E2F2, and glucocorticoid receptor cooperatively transactivate the bovine alphaherpesvirus 1 immediate early transcription unit 1 promoter.
Article in Journal of virology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- A bivalent subunit bovine herpesvirus 1 vaccine based on the ectodomains of glycoproteins D and B elicits robust protective immunity against infection in a rabbit model.The veterinary quarterly · 2026Article
- Bovine α-herpesvirus 1 replication and immediate early transcription unit 1 promoter are jointly stimulated by glucocorticoid receptor and DNA-dependent ATPases.The Journal of general virology · 2026Article
- Article
- Differential Gene Expression and Protein-Protein Interaction Networks in Bovine Leukemia Virus Infected Cattle: An RNA-Seq Study.Pathogens (Basel, Switzerland) · 2025Article
- Glucocorticoid receptor occupancy of key bovine alphaherpesvirus 1 (BoHV-1) promoters correlates with chromatin remodeling during reactivation from latency.Journal of virology · 2025Article
- Distinct effects of glucocorticoid on pseudorabies virus infection in neuron-like and epithelial cells.Journal of virology · 2025Article
- Review
- The precise function of alphaherpesvirus tegument proteins and their interactions during the viral life cycle.Frontiers in microbiology · 2024Review
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Abstract
Bovine alphaherpesvirus 1 (BoHV-1) infection causes respiratory tract disorders and immune suppression and may induce bacterial pneumonia. BoHV-1 establishes lifelong latency in sensory neurons after acute infection. Reactivation from latency consistently occurs following stress or intravenous injection of the synthetic corticosteroid dexamethasone (DEX), which mimics stress. The immediate early transcription unit 1 (IEtu1) promoter drives expression of infected cell protein 0 (bICP0) and bICP4, two viral transcriptional regulators necessary for productive infection and reactivation from latency. The IEtu1 promoter contains two glucocorticoid receptor (GR) responsive elements (GREs) that are transactivated by activated GR. GC-rich motifs, including consensus binding sites for specificity protein 1 (Sp1), are in the IEtu1 promoter sequences. E2F family members bind a consensus sequence (TTTCCCGC) and certain specificity protein 1 (Sp1) sites. Consequently, we hypothesized that certain E2F family members activate IEtu1 promoter activity. DEX treatment of latently infected calves increased the number of E2F2 IMPORTANCE: Bovine alpha-herpesvirus 1 (BoHV-1) acute infection in cattle leads to establishment of latency in sensory neurons in the trigeminal ganglia (TG). A synthetic corticosteroid dexamethasone consistently initiates BoHV-1 reactivation in latently infected calves. The BoHV-1 immediate early transcription unit 1 (IEtu1) promoter regulates expression of infected cell protein 0 (bICP0) and bICP4, two viral transcriptional regulators. Hence, the IEtu1 promoter must be activated for the reactivation to occur. The number of TG neurons expressing E2F2, a transcription factor and cell cycle regulator, increased during early stages of reactivation from latency. The glucocorticoid receptor (GR) and E2F2, but not E2F1, E2F3a, or E2F3b, cooperatively transactivated a 436-bp
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