On the functional organization of the arg ECBH cluster of genes in Escherichia coli K-12 R. CuninD. ElseviersG. Glansdorff OriginalPaper Pages: 32 - 47
A bacteriocinogenic factor of Enterobacter cloacae G. A. TiezeA. H. StouthamerE. F. J. van Bruggen OriginalPaper Pages: 48 - 65
Comparison of the effects of ultraviolet light and ethylmethanesulphonate upon the frequency of mitotic recombination in yeast James M. Parry OriginalPaper Pages: 66 - 72
Effects of two TMV strains on the synthesis and stability of chloroplast ribosomal RNA in tobacco leaves R. S. S. Fraser OriginalPaper Pages: 73 - 79
A new class of clear mutants from coliphage 434 hy not complementing C II and C III mutants for lysogenization Hans B. StrackRuth Ziegler OriginalPaper Pages: 80 - 88
Insertion of phage Mu. 1 within prophage λ: A new approach for studying the control of the late functions in bacteriophage λ Ariane Toussaint Short Communication Pages: 89 - 92