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Recent Advances in Herpesviruses (2nd Edition)

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Microbiology".

Deadline for manuscript submissions: 20 September 2026 | Viewed by 905

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Guest Editor
Department of Human Sciences and Quality of Life Promotion, San Raffaele Open University, 00166 Rome, Italy
Interests: virology; herpesvirus and cell hots interaction; herpesviruses associated diseases; viruses
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

α-β-γ-Herpesviridae belong to the Herpesviridae family. They share the same structure and cycle properties. Herpesviruses are organized in icosahedral capsids that surround DNA-stranded genomic DNA. Usually, a viral genome is an episomal structure during the non-productive cycle. Herpesviruses, in fact, have two cycle steps: they show a latent phase, without productive virions, and a lytic phase, with the release of mature virions. The lytic phase can be induced by several stimuli in vitro and in vivo. The acute infection persists in in vivo models in oropharyngeal epithelium without a release of productive virions. The lytic state is characterized by the expression of specific genes. The lytic proteins are necessary to organize the viral DNA in concatenameric structures and to form the mature capsids. The nucleocapsids are released from the nucleus to the cytosol compartements by a proposed specific model. The nuclear membrane leafts are necessary to organize the nuclear complex to induce the release and translocate the nuclear capsids into the cytosol. The latent phase is characterized by the expression of viral proteins involved in cellular and viral mechanisms. They regulate cell cycle progression, apoptosis and cellular proliferation.

Many attempts are ongoing to study new therapeutical treatments to the aim to improve the conventional therapy.

Dr. Marisa Granato
Guest Editor

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Keywords

  • α-herpesviridae
  • β-herpesviridae
  • γ-herpesviridae
  • herpesviruses associated diseases

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Published Papers (1 paper)

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Research

22 pages, 2221 KB  
Article
Exploring EBNA3C Genetic Variability and Recombination in Epstein–Barr Virus-Associated Cancers
by Abdiel Barra, Paulina Vasquez-Aguilar, Paulo Henrique Braz-Silva and Louise Zanella
Int. J. Mol. Sci. 2026, 27(7), 3054; https://doi.org/10.3390/ijms27073054 - 27 Mar 2026
Viewed by 485
Abstract
Epstein–Barr virus is a globally disseminated oncovirus capable of causing various malignancies, including gastric cancer, Burkitt lymphoma, and Hodgkin’s lymphoma. The influence of recombination on the EBV genome revealed limitations in the current traditional EBV classification, and the extent of these recombination events [...] Read more.
Epstein–Barr virus is a globally disseminated oncovirus capable of causing various malignancies, including gastric cancer, Burkitt lymphoma, and Hodgkin’s lymphoma. The influence of recombination on the EBV genome revealed limitations in the current traditional EBV classification, and the extent of these recombination events across the EBV genome is not fully understood. The nuclear antigen 3C (EBNA3C) is an indispensable gene in the oncogenesis of the virus. Despite its critical role, little is known about EBNA3C sequence variability. We examined 988 EBNA3C gene sequences extracted from EBV genomes in this context. Among the protein motifs, the interaction sites with Nm23-H1, RBP-Jk, and nuclear localization signal (NLS) 2 and 3 were the most divergent between EBV types, while NLS-1 and the leucine zipper-like showed high conservation. In our study of the impact of recombination vs. point mutations in the EBNA3C gene, we found that recombination contributed five times more to substitutions than mutation. Notably, Asian populations exhibited the highest variability and recombination rates. Importantly, our analysis revealed geographical rather than disease-specific markers. Furthermore, filtering for recombination regions did not affect the classical classification of EBV-1 and EBV-2. This finding suggests that recombination is pivotal in the architecture of EBV genetic diversity of the EBNA3C gene. Full article
(This article belongs to the Special Issue Recent Advances in Herpesviruses (2nd Edition))
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