Properties of strains of Escherichia coli K12 carrying mutant lex-1 and uvrA6 alleles David W. MountCandace Kosel OriginalPaper Pages: 291 - 299
On the nature of β-galactosidase synthesized by the DNA-directed cell-free system D. A. ChambersJ. L. Manley OriginalPaper Pages: 301 - 308
Molecular studies on the 5S RNA genes of Drosophila melanogaster Carroll E. Nix OriginalPaper Pages: 309 - 318
Mutants d'Escherichia coli K 12 affectés pour leur croissance sur méthyl-β-D-glucuronide: Localisation du gène de structure de la β-D-glucuronidase (uid A) Georges NovelMadeleine Novel OriginalPaper Pages: 319 - 335
Genetic analysis of mutants of Salmonella typhimurium deficient in formate dehydrogenase activity M. C. PascalF. CasseM. Lepelletier OriginalPaper Pages: 337 - 340
Methionine and vitamin B12 repression and precursor induction in the regulation of homocysteine methylation in Salmonella typhimurium Julie M. WhitehouseD. A. Smith OriginalPaper Pages: 341 - 353
Indirect ultraviolet induction and curing in E. coli cells lysogenic for bacteriophage λ Robert M. BenbowRaymond DevoretPaul Howard-Flanders OriginalPaper Pages: 355 - 368
Mutations arising during transformation in the blue-green alga Anacystis nidulans M. Herdman OriginalPaper Pages: 369 - 378
The genetic control of fumarate hydratase (fumarase) in Drosophila melanogaster K. MadhavanH. Ursprung Short Communication Pages: 379 - 380