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Post-translational modifications play crucial roles in viral infections, yet many potential modifications remain unexplored in orthoflavivirus biology. Here we demonstrate that the UFMylation system, a post-translational modification system that catalyzes the transfer of UFM1 onto proteins, promotes infection by multiple orthoflaviviruses including dengue virus, Zika virus, West Nile virus, and yellow fever virus. We found that depletion of the UFMylation E3 ligase complex proteins UFL1 and UFBP1, as well as other UFMylation machinery components (UBA5, UFC1, and UFM1), significantly reduces infectious virion production for orthoflaviviruses but not the hepacivirus, hepatitis C.
View Article and Find Full Text PDFModelling the impact and cost-effectiveness of upcoming Zika virus vaccines on congenital Zika syndrome.
Vaccine
January 2025
Saw Swee Hock School of Public Health, National University of Singapore, and National University Health System, Singapore. Electronic address:
Background: Zika virus (ZIKV) continues to circulate in Southeast Asia following the 2015-2016 global epidemic, posing an ongoing risk of importation and disease spread for Singapore, a tropical city-state in the region. The virus remains a threat to pregnant women and their fetuses due to the risk of Congenital Zika Syndrome (CZS). Vaccines currently in development offer hope for reducing ZIKV infections and CZS cases.
View Article and Find Full Text PDFA Lambda-evo (λ) phage platform for Zika virus E protein display.
Appl Microbiol Biotechnol
January 2025
Departamento de Genética y Biología Molecular, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, Av. Instituto Politécnico Nacional No, 2508, C.P. 07360, Mexico City, Mexico.
One of the most significant bacteriophage technologies is phage display, in which heterologous peptides are exhibited on the virion surface. This work describes the display of λ decorative protein D linked to the E protein domain III of Zika virus (D-ZE), to the GFP protein (D-GFP), or to different domain III epitopes of the E protein (D-TD), exhibited on the surface of an in vitro evolved lambda phage (λ). This phage harbors a gene D deletion and was subjected to directed evolution using Escherichia coli W3110/pD-ZE as background.
View Article and Find Full Text PDFEarly and Long-Term Adverse Outcomes of In Utero Zika Exposure.
Pediatrics
January 2025
Programa de Pós-Graduação em Doenças Infecciosas e Parasitárias, Universidade Federal de Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil.
Background: Zika virus (ZIKV) infection during pregnancy can lead to congenital Zika syndrome (CZS) and may result in neurodevelopmental alterations in exposed children, with and without CZS. This study aimed to evaluate ZIKV infection during pregnancy as a risk factor for early and long-term adverse outcomes.
Methods: This retrospective-prospective, matched cohort study was conducted in Mato Grosso do Sul, Brazil.
The Potential Role of Zika and Dengue Virus Infection in the Urogenital System Disorders: An Overview.
Rev Med Virol
January 2025
Department of Urology, China-Japan Union Hospital of Jilin University, Changchun, China.
Arboviruses currently are regarded as a major worldwide public health concern. The clinical outcomes associated with this group of viruses may vary from asymptomatic infections to severe forms of haemorrhagic fever characterised by bleeding disorders. Similar to other systemic viral infections, arboviruses can either directly or indirectly affect different parts of the body, such as the urogenital system.
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