Heterochromatin of the Drosophila melanogaster Y chromosome as modifier of position effect variegation: The time of its action Hans Joachim BeckerWilfried Janning OriginalPaper Pages: 111 - 114
Detection of messenger RNA from the isoleucine-valine operons of Salmonella typhimurium by heterologous DNA-RNA hybridization: Involvement of transfer RNA in transcriptional repression Geoffrey ChildsFrank SonnenbergMartin Freundlich OriginalPaper Pages: 121 - 126
Biogenesis of mitochondria 48 D. J. Groot ObbinkT. W. SpithillAnthony W. Linnane OriginalPaper Pages: 127 - 136
The influence of the reading context upon the suppression of nonsense codons Michele M. FluckWinston SalserRichard H. Epstein OriginalPaper Pages: 137 - 149
The transposon Tn1 as a probe for studying ColE1 structure and function Gordon DouganDavid Sherratt OriginalPaper Pages: 151 - 160
Studies on the bipolar argECBH operon of E. coli: Characterization of restriction endonuclease fragments obtained from λdargECBH transducing phages and a ColE1 argECBH plasmid M. CrabeelD. CharlierW. K. Maas OriginalPaper Pages: 161 - 168
Analysis of the phase variation in lambda reduced immunity lysogens Josef SchneiderHans B. Strack OriginalPaper Pages: 181 - 187
Dominant and recessive informational suppressors of a missense mutation in Coprinus Heather M. Sealy-LewisLorna A. Casselton OriginalPaper Pages: 189 - 195
Complementation of transfer deficient ColE1 mutants Gareth WarrenDavid Sherratt OriginalPaper Pages: 197 - 201
Altered dihydrofolate reductase in fol regulatory mutants of Escherichia coli K12 Robert Sheldon OriginalPaper Pages: 215 - 219
Ammonia assimilation and nitrogen fixation in Rhizobium meliloti A. KondorosiZ. SvabR. A. Dixon OriginalPaper Pages: 221 - 226