O'Reilly, C Molecular cloning of genes involved in purine biosynthetic and salvage pathways of Salmonella typhimurium. [electronic resource] - Molecular & general genetics : MGG 1984 - 152-7 p. digital Publication Type: Journal Article ISSN: 0026-8925 Standard No.: 10.1007/BF00334108 doi Subjects--Topical Terms: Cloning, MolecularDNA, Bacterial--geneticsGenes, BacterialHypoxanthine Phosphoribosyltransferase--geneticsPentosyltransferases--geneticsPlasmidsPurines--biosynthesisSalmonella typhimurium--geneticsSubstrate Specificity