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Protocol to isolate temperature-sensitive SARS-CoV-2 mutants and identify associated mutations.


ABSTRACT: An inability to proliferate at high temperatures typically gives viruses an attenuated phenotype. Here, we present a protocol to obtain and isolate temperature-sensitive (TS) SARS-CoV-2 strains via 5-fluorouracile-induced mutagenesis. We describe steps for the induction of mutations in the wild-type virus and selection of TS clones. We then show how to identify the mutations associated with the TS phenotype, following forward and reverse genetics strategies. For complete details on the use and execution of this protocol, please refer to Yoshida et al. (2022).1.

SUBMITTER: Okamura S 

PROVIDER: S-EPMC10183609 | biostudies-literature | 2023 May

REPOSITORIES: biostudies-literature

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Protocol to isolate temperature-sensitive SARS-CoV-2 mutants and identify associated mutations.

Okamura Shinya S   Yoshida Akiho A   Miyazato Paola P   Matsumoto Mai M   Ebina Hirotaka H  

STAR protocols 20230515 2


An inability to proliferate at high temperatures typically gives viruses an attenuated phenotype. Here, we present a protocol to obtain and isolate temperature-sensitive (TS) SARS-CoV-2 strains via 5-fluorouracile-induced mutagenesis. We describe steps for the induction of mutations in the wild-type virus and selection of TS clones. We then show how to identify the mutations associated with the TS phenotype, following forward and reverse genetics strategies. For complete details on the use and e  ...[more]

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