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Complete genome sequence of MneRV2, the pig-tailed macaque RV2 rhadinovirus, and evolutionary relationship with rhesus macaque RRV and human herpesvirus 8/KSHV
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Bruce, A. G., Thouless, M. E. , Haines, A. S., Pallen, Mark J., Grundhoff, A. and Rose, T. N. (2015) Complete genome sequence of MneRV2, the pig-tailed macaque RV2 rhadinovirus, and evolutionary relationship with rhesus macaque RRV and human herpesvirus 8/KSHV. Journal of Virology, Volume 89 (Number 7). pp. 3888-3909. doi:10.1128/JVI.03597-14 ISSN 0022-538X.
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Official URL: http://dx.doi.org/10.1128/JVI.03597-14
Abstract
Two rhadinovirus lineages have been identified in Old World primates. The rhadinovirus 1 (RV1) lineage consists of human herpesvirus 8, Kaposi's sarcoma-associated herpesvirus (KSHV), and closely related rhadinoviruses of chimpanzees, gorillas, macaques and other Old World primates. The RV2 rhadinovirus lineage is distinct and consists of closely related viruses from the same Old World primate species. Rhesus macaque rhadinovirus (RRV) is the RV2 prototype, and two RRV isolates, 26-95 and 17577, were sequenced. We determined that the pig-tailed macaque RV2 rhadinovirus, MneRV2, is highly associated with lymphomas in macaques with simian AIDS. To further study the role of rhadinoviruses in the development of lymphoma, we sequenced the complete genome of MneRV2 and identified 87 protein coding genes and 17 candidate microRNAs (miRNAs). A strong genome colinearity and sequence homology were observed between MneRV2 and RRV26-95, although the open reading frame (ORF) encoding the KSHV ORFK15 homolog was disrupted in RRV26-95. Comparison with MneRV2 revealed several genomic anomalies in RRV17577 that were not present in other rhadinovirus genomes, including an N-terminal duplication in ORF4 and a recombinative exchange of more distantly related homologs of the ORF22/ORF47 interacting glycoprotein genes. The comparison with MneRV2 has revealed novel genes and important conservation of protein coding domains and transcription initiation, termination, and splicing signals, which have added to our knowledge of RV2 rhadinovirus genetics. Further comparisons with KSHV and other RV1 rhadinoviruses will provide important avenues for dissecting the biology, evolution, and pathology of these closely related tumor-inducing viruses in humans and other Old World primates. IMPORTANCE: This work provides the sequence characterization of MneRV2, the pig-tailed macaque homolog of rhesus rhadinovirus (RRV). MneRV2 and RRV belong to the rhadinovirus 2 (RV2) rhadinovirus lineage of Old World primates and are distinct but related to Kaposi's sarcoma-associated herpesvirus (KSHV), the etiologic agent of Kaposi's sarcoma. Pig-tailed macaques provide important models of human disease, and our previous studies have indicated that MneRV2 plays a causal role in AIDS-related lymphomas in macaques. Delineation of the MneRV2 sequence has allowed a detailed characterization of the genome structure, and evolutionary comparisons with RRV and KSHV have identified conserved promoters, splice junctions, and novel genes. This comparison provides insight into RV2 rhadinovirus biology and sets the groundwork for more intensive next-generation (Next-Gen) transcript and genetic analysis of this class of tumor-inducing herpesvirus. This study supports the use of MneRV2 in pig-tailed macaques as an important model for studying rhadinovirus biology, transmission and pathology.
| Item Type: | Journal Article | ||||||
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| Subjects: | Q Science > QR Microbiology > QR355 Virology | ||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School > Biomedical Sciences > Microbiology & Infection Faculty of Science, Engineering and Medicine > Medicine > Warwick Medical School |
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| Library of Congress Subject Headings (LCSH): | Cercopithecidae -- Viruses -- Research, Chimpanzees, Gorilla, Macaques, Herpesviruses, Lymphomas, Kaposi's sarcoma | ||||||
| Journal or Publication Title: | Journal of Virology | ||||||
| Publisher: | American Society for Microbiology | ||||||
| ISSN: | 0022-538X | ||||||
| Official Date: | April 2015 | ||||||
| Dates: |
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| Volume: | Volume 89 | ||||||
| Number: | Number 7 | ||||||
| Page Range: | pp. 3888-3909 | ||||||
| DOI: | 10.1128/JVI.03597-14 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||
| Funder: | National Center for Research Resources (U.S.) (NCRR), National Institutes of Health (U.S.) (NIH) | ||||||
| Grant number: | RR023343 (NIH) |
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