Knock-in of the Oas1b(r) allele into a flavivirus-induced disease susceptible mouse generates the resistant phenotype - PubMed (original) (raw)

. 2007 Nov 25;368(2):232-7.

doi: 10.1016/j.virol.2007.08.017. Epub 2007 Sep 27.

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Knock-in of the Oas1b(r) allele into a flavivirus-induced disease susceptible mouse generates the resistant phenotype

Svetlana V Scherbik et al. Virology. 2007.

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Abstract

Inheritance patterns in mice suggested that resistance to flavivirus-induced disease was conferred by a single autosomal dominant allele (Flv(r)). A positional cloning strategy followed by comparison of Flv interval gene sequences from congenic resistant C3H.PRI-Flv(r) and susceptible C3H/He mouse strains identified the 2'-5'-oligoadenylate synthetase 1b (Oas1b) gene as Flv. However, since these mouse strains differ by a 31 cM region, the possible involvement of differences in other linked genes in the resistant phenotype could not be absolutely ruled out. Knock-in of the Oas1b resistance allele into a susceptible mouse strain produced mice with the flavivirus resistance phenotype, confirming that this phenotype is mediated by a single gene.

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