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Double-stranded RNA orbivirus disrupts the DNA-sensing cGAS-sting axis to prevent type I IFN induction.
Cell Mol Life Sci
January 2025
Centro de Investigación en Sanidad Animal, Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Consejo Superior de Investigaciones Científicas (CISA-INIA-CSIC), Valdeolmos, Madrid, Spain.
Cyclic GMP-AMP synthase (cGAS) is a DNA sensing cellular receptor that induces IFN-I transcription in response to pathogen and host derived cytosolic DNA and can limit the replication of some RNA viruses. Some viruses have nonetheless evolved mechanisms to antagonize cGAS sensing. In this study, we evaluated the interaction between Bluetongue virus (BTV), the prototypical dsRNA virus of the Orbivirus genus and the Sedoreoviridae family, and cGAS.
View Article and Find Full Text PDFA preliminary account of Culicoides (Diptera: Ceratopogonidae) from the Andaman and Nicobar Islands with 13 new records and updated species inventory from India.
Parasit Vectors
January 2025
Diptera Section, Zoological Survey of India, Kolkata, West Bengal, India.
Background: The detection of multiple bluetongue virus serotypes, increasing trend in livestock density, rich biological diversity with high endemism, and the status of the Andaman and Nicobar Islands as a popular tourist destination underscore the need for a faunistic survey of medically and veterinary significant vector species, specifically Culicoides, in this region. Moreover, scattered information on Indian Culicoides species complicates the planning and implementation of preventive measures for pathogens transmitted by these vectors. This study aims to provide the first comprehensive account of the Culicoides fauna in the Andaman and Nicobar Islands, India, along with an updated checklist of Indian Culicoides species and their state-wise distribution.
View Article and Find Full Text PDFComplete mitochondrial genomes of and biting midge vectors of Bluetongue Virus.
Mitochondrial DNA B Resour
January 2025
CSIRO Environment, Black Mountain, ACT, Australia.
Biting midges ( spp.) are important vectors of several insect borne arboviruses but are underrepresented in terms of availability of high-resolution genomic resources. We assembled and annotated complete mitochondrial genomes for two species, namely and which are proven vectors for Bluetongue Virus (BTV).
View Article and Find Full Text PDFIn Silico Development of a Multi-Epitope Subunit Vaccine against Bluetongue Virus in Using Immunoinformatics.
Pathogens
October 2024
ICAR-National Institute of Veterinary Epidemiology and Disease Informatics, Bengaluru 560064, India.
The bluetongue virus (BTV), transmitted by biting midges, poses a significant threat to livestock globally. This orbivirus induces bluetongue disease, leading to substantial economic losses in the agricultural sector. The current control measures have limitations, necessitating the development of novel, efficient vaccines.
View Article and Find Full Text PDFDetection and evolutionary characterization of arboviruses in mosquitoes and biting midges on Hainan Island, China, 2019-2023.
PLoS Negl Trop Dis
October 2024
Key Laboratory of Virology and Biosafety, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, Hubei, China.
Article Synopsis
- * A total of 32,632 mosquitoes and 21,000 biting midges were collected, revealing the presence of several viruses including Japanese encephalitis virus (JEV), Tembusu virus (TMUV), Getah virus (GETV), Oya virus (OYAV), and Bluetongue virus (BTV), with varying infection rates across different locations.
- * Notably, JEV and TMUV strains were isolated for the first time on the island, and BTV was also reported for the first time, highlighting
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