Genomic-scale identification of host genes regulated by EBV during lytic cycle [RNA-Seq]
Transcriptomics Dataset
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| Accession | GSE57732 |
| Title | Genomic-scale identification of host genes regulated by EBV during lytic cycle [RNA-Seq] |
| Description | Infection of resting primary B-lymphocytes by Epstein Barr virus (EBV) generates a population of cells that are effectively immortal. This represents the first step in the establishment of life-long viral latency in vivo and generates precursors that can develop into the lymphoid malignancies. However, virus spread requires a switch from latency to the lytic replication cycle, a process orchestrated by the virally encoded protein Zta, an AP1-like transcription factor that interacts with a 7 base-pair DNA sequence element. As Zta has the potential to reprogram the patterns of gene expression in the host cell, we undertook global transcriptome analyses (RNA sequencing) in a Burkitts lymphoma derived cell line in which the Zta is expressed from an inducible promoter, mimicking the switch from latency to lytic cycle. We identified 2,263 host genes whose expression levels were altered. In parallel, we performed chromatin precipitation and next-generation DNA sequencing (ChIP-Seq) to identify genes that are direct targets of Zta. Integrating these data sets revealed 277 host genes that appear to be directly regulated by Zta. Surprisingly, the frequency and distribution of the Zta binding peaks suggests that Zta regulates host genes through long-range enhancers, with a median distance of 25.8kb from the transcriptional start site, rather than equivalents of the promoter elements through which Zta regulates viral genes. |
| Landing Page | https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?acc=GSE57732 |
| Repository | Gene Expression Omnibus |
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