Christiane E. Wobus, Amy M. Peiper, Alice M. McSweeney, Vivienne L. Young, Maryna Chaika, Miranda Sophie Lane, Marit Lingemann, Joshua M. Deerain, Madison S. Strine, Mia Madel Alfajaro, Emily W. Helm, Stephanie M. Karst, Jason M. Mackenzie, Stefan Taube, Vernon K. Ward, Craig B. Wilen

Murine Norovirus: Additional Protocols for Basic and Antiviral Studies

  • Medical Laboratory Technology
  • Health Informatics
  • General Pharmacology, Toxicology and Pharmaceutics
  • General Immunology and Microbiology
  • General Biochemistry, Genetics and Molecular Biology
  • General Neuroscience
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AbstractMurine norovirus (MNV) is a positive‐sense, plus‐stranded RNA virus in the Caliciviridae family. Viruses in this family replicate in the intestine and are transmitted by the fecal‐oral route. MNV is related to the human noroviruses, which cause the majority of nonbacterial gastroenteritis worldwide. Given the technical challenges in studying human norovirus, MNV is often used to study mechanisms in norovirus biology since it combines the availability of a cell culture and reverse genetics system with the ability to study infection in the native host. Adding to our previous protocol collection, here we describe additional techniques that have since been developed to study MNV biology. © 2023 The Authors. Current Protocols published by Wiley Periodicals LLC.Basic Protocol 1: Indirect method for measuring cell cytotoxicity and antiviral activityBasic Protocol 2: Measuring murine norovirus genome titers by RT‐qPCRSupport Protocol 1: Preparation of standardBasic Protocol 3: Generation of recombinant murine norovirus with minimal passagingBasic Protocol 4: Generation of recombinant murine norovirus via circular polymerase extension reaction (CPER)Basic Protocol 5: Expression of norovirus NS1‐2 in insect cell suspension cultures using a recombinant baculovirusSupport Protocol 2: Isotope labelling of norovirus NS1‐2 in insect cellsSupport Protocol 3: Purification of the norovirus NS1‐2 proteinSupport Protocol 4: Expression of norovirus NS1‐2 in mammalian cells by transduction with a recombinant baculovirusBasic Protocol 6: Infection of enteroids in transwell inserts with murine norovirusSupport Protocol 5: Preparation of conditioned medium for enteroids cultureSupport Protocol 6: Isolation of crypts for enteroids generationSupport Protocol 7: Enteroid culture passaging and maintenanceBasic Protocol 7: Quantification of murine norovirus‐induced diarrhea using neonatal mouse infectionsAlternate Protocol 1: Intragastric inoculation of neonatal miceAlternate Protocol 2: Scoring colon contents

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