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Updated: Sep 5, 2025

Live Imaging and Quantification of Viral Infection in K18 hACE2 Transgenic Mice Using Reporter-Expressing Recombinant SARS-CoV-2
Published on: November 5, 2021
Bioluminescent and Fluorescent Reporter-Expressing Recombinant SARS-CoV-2
Desarey Morales Vasquez1, Kevin Chiem1, Chengjin Ye1
1Texas Biomedical Research Institute, San Antonio, TX, USA.
Abstract:
Reporter-expressing recombinant severe acute respiratory syndrome coronavirus 2 (rSARS-CoV-2) represents an excellent tool to understand the biology of and ease studying viral infections in vitro and in vivo. The broad range of applications of reporter-expressing recombinant viruses is due to the facilitated expression of fluorescence or bioluminescence readouts. In this chapter, we describe a detailed protocol on the generation of rSARS-CoV-2 expressing Venus, mCherry, and NLuc that represents a valid surrogate to track viral infections.

