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Null mutations in the essential gene yrfF (mucM) are not lethal in rcsB, yojN or rcsC strains of Salmonella enterica serovar Typhimurium.

FEMS microbiology letters - 16 May 2003

Costa Cristina S, Pettinari M Julia, Méndez Beatriz S, Antón Dora N

Abstract excerpt

Insertion of factor MudJ in the intergenic region between divergent genes yrfF and yrfE, at centisome 76 in the genome of Salmonella enterica serovar Typhimurium LT2, confers the characteristics recently described for mucM mutants, i.e. mucoidy and resistance to mecillinam. Cloning of the intergenic region plus either the yrfF or the yrfE gene in a multicopy plasmid showed that only the plasmid carrying the yrfF...

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PMID: 12757942
DOI: 10.1016/S0378-1097(03)00221-0

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