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Development of a one-step multiplex RT-qPCR method for rapid detection of bovine diarrhea viruses.
Front Cell Infect Microbiol
February 2025
Veterinary Diagnostic Center, Shanghai Animal Disease Control Center, Shanghai, China.
Introduction: Viral calf diarrhea poses a significant challenge to the cattle industry worldwide due to its high morbidity and mortality rates, leading to substantial economic losses. The clinical symptoms associated with various diarrhea pathogens often overlap, complicating accurate diagnosis; thus, there is an urgent need for rapid and precise diagnostic methods to improve prevention and treatment efforts. In this study, we developed a one-step multiplex reverse-transcription quantitative real-time polymerase chain reaction (mRT-qPCR) that enables the simultaneous detection of three key viral pathogens responsible for calf diarrhea: bovine kobuvirus (BKoV), bovine astrovirus (BoAstV), and bovine torovirus (BToV).
View Article and Find Full Text PDFGenetic Variability of Pestivirus A (BVDV-1) Circulating in Cattle From Eastern Turkey.
Vet Med Sci
January 2025
Department of Virology, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, Van, Turkey.
Background: Bovine viral diarrhoea virus (BVDV) infection, caused by Pestiviruses A and B, with various clinical findings and causes significant economic losses. This disease is common in Turkey as well as in other countries, especially in European countries.
Objective: This study was designed to determine the genotypes of BVDVs and their variability among cattle in eastern Turkey.
Identification of NECTIN1 as a novel restriction factor for flavivirus infection.
mBio
December 2024
State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin, China.
Article Synopsis
- NECTIN1 is a cell adhesion molecule known mainly for its interaction with herpesviruses, but this study reveals its new role as a barrier against flavivirus infections, specifically BVDV.
- The researchers found that reducing NECTIN1 levels increased BVDV infections and identified NECTIN1's IgV domain as crucial for its inhibiting function, affecting how BVDV attaches to cells.
- The study also showed NECTIN1’s broader antiviral activity against several other viruses, highlighting its potential significance as a restriction factor in controlling flavivirus infections.
Unveiling bat-borne viruses: a comprehensive classification and analysis of virome evolution.
Microbiome
November 2024
NHC Key Laboratory of Systems Biology of Pathogens, State Key Laboratory of Respiratory Health and Multimorbidity, National Institute of Pathogen Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P. R. China.
Article Synopsis
- - Bats are key carriers of new zoonotic viruses like henipaviruses and coronaviruses, with many unidentified viruses highlighting the need for further research on their evolution and classification.
- - A study employed Next Generation Sequencing on over 13,000 bat swab samples from China, revealing 846 viruses, including 120 potential new viral species that are closely related to known pathogens affecting humans and livestock.
- - The findings enhance our understanding of the viral landscape in bats and stress the importance of monitoring these viruses for public and veterinary health, as they could pose emerging infectious disease threats.
Combining a lateral flow immunoassay with triplex loop-mediated isothermal amplification for the concurrent identification of three bovine diarrhea syndrome viruses.
Anal Methods
October 2024
Zhejiang Provincial Key Laboratory of Biometrology and Inspection & Quarantine, China Jiliang University, Xueyuan Street, Xiasha Higher Education Zone, Hangzhou 310018, China.
Numerous viruses, such as the bovine rotavirus (BRV), the bovine parvovirus (BPV), and the bovine viral diarrhea virus (BVDV), can cause bovine viral diarrhea syndrome. The global livestock industry has been subjected to significant consequences due to this condition. This results in considerable losses and hinders the production of crucial resources such as meat and milk, which are indispensable for sustaining the world's population.
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