Heiskanen, P Role of rpoS in the regulation of Salmonella plasmid virulence (spv) genes. [electronic resource] - FEMS microbiology letters Oct 1994 - 125-30 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0378-1097 Standard No.: 10.1111/j.1574-6968.1994.tb07211.x doi Subjects--Topical Terms: Cloning, MolecularEscherichia coli--geneticsGene Expression Regulation, BacterialGenes, BacterialLac Operon--geneticsPlasmids--geneticsSalmonella--geneticsSigma Factor--geneticsVirulence--geneticsbeta-Galactosidase--biosynthesis