alexa An atlas of the Epstein-Barr virus transcriptome and epigenome reveals host-virus regulatory interactions.
Chemistry

Chemistry

Medicinal Chemistry

Author(s): Arvey A, Tempera I, Tsai K, Chen HS, Tikhmyanova N,

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Abstract Epstein-Barr virus (EBV), which is associated with multiple human tumors, persists as a minichromosome in the nucleus of B lymphocytes and induces malignancies through incompletely understood mechanisms. Here, we present a large-scale functional genomic analysis of EBV. Our experimentally generated nucleosome positioning maps and viral protein binding data were integrated with over 700 publicly available high-throughput sequencing data sets for human lymphoblastoid cell lines mapped to the EBV genome. We found that viral lytic genes are coexpressed with cellular cancer-associated pathways, suggesting that the lytic cycle may play an unexpected role in virus-mediated oncogenesis. Host regulators of viral oncogene expression and chromosome structure were identified and validated, revealing a role for the B cell-specific protein Pax5 in viral gene regulation and the cohesin complex in regulating higher order chromatin structure. Our findings provide a deeper understanding of latent viral persistence in oncogenesis and establish a valuable viral genomics resource for future exploration. Copyright © 2012 Elsevier Inc. All rights reserved.
This article was published in Cell Host Microbe and referenced in Medicinal Chemistry

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