Complementation analysis of a nitrate reductase deficient Hyoscyamus muticus cell line by somatic hybridisation G. B. LázárH. FankhauserI. Potrykus OriginalPaper Pages: 359 - 364
Transfer of cytoplasmic male sterility by selection for streptomycin resistance after protoplast fusion in Nicotiana László MenczelFerenc NagyPál Maliga OriginalPaper Pages: 365 - 369
Inheritance of the rDNA spacer in D. melanogaster E. BoncinelliA. BorgheseA. Simeone OriginalPaper Pages: 370 - 374
Genetic determinant of pyocin R2 in Pseudomonas aeruginosa PAO Tomoyuki ShinomiyaSawako ShigaMakoto Kageyama OriginalPaper Pages: 375 - 381
Genetic determinant of pyocin R2 in Pseudomonas aeruginosa PAO Tomoyuki ShinomiyaSawako ShigaMakoto Kageyama OriginalPaper Pages: 382 - 389
Heteroduplex analysis of P-plasmid evolution: The role of insertion and deletion of transposable elements Raimundo VillarroelRobert W. HedgesJeff Schell OriginalPaper Pages: 390 - 399
Characterisation of the promoter for the LexA regulated sulA gene of Escherichia coli Stewart T. Cole OriginalPaper Pages: 400 - 404
Genome fusion mediated by the site specific DNA inversion system of bacteriophage P1 Kathleen E. KennedyShigeru IidaWerner Arber OriginalPaper Pages: 413 - 421
Initiation site of deoxyribonucleotide polymerization at the replication origin of the Escherichia coli chromosome Susumu HiroseSota HiragaTuneko Okazaki OriginalPaper Pages: 422 - 431
Pleiotropic effects of the ‘ecdysoneless-1’ mutation of Drosophila melanogaster Christopher P. F. RedfernMary Bownes OriginalPaper Pages: 432 - 440
The use of genetic markers selected in vitro for the isolation and genetic verification of intraspecific somatic hybrids of Nicotiana tabacum L. Stephen V. EvolaElizabeth D. EarleRoy S. Chaleff OriginalPaper Pages: 441 - 446
Control of arg gene expression in salmonella typhimurium by the arginine repressor from Escherichia coli K-12 Michelle M. GardnerDouglas O. HennigRod A. Kelln OriginalPaper Pages: 458 - 462
Construction and use of pyr::lac fusion strains to study regulation of pyrimidine biosynthesis in Salmonella typhimurium Glenn MichaelsRod A. Kelln OriginalPaper Pages: 463 - 470
Plasmidic recombination in Escherichia coliK-12: The role of recF gene function Amikam CohenAvraham Laban OriginalPaper Pages: 471 - 474
Kasugamycin resistant mutants of Bacillus stearothermophilus lacking the enzyme for the methylation of two adjacent adenosines in 16S ribosomal RNA C. P. J. J. Van BuulJ. B. L. DammP. H. Van Knippenberg OriginalPaper Pages: 475 - 478
mtDNA sequences of Candida utilis capable of supporting autonomous replication of plasmids in Saccharomyces cerevisiae L. P. TikhomirovaV. M. KryukovA. A. Bayev OriginalPaper Pages: 479 - 484
Spontaneous and induced activation of genes affecting the phenotypic expression of glucose 6-phosphate dehydrogenase in Daphnia pulex A. O. RuvinskyYu. I. LobkovD. K. Belyaev OriginalPaper Pages: 485 - 489
Spontaneous and induced activation of genes affecting the phenotypic expression of glucose 6-phosphate dehydrogenase in Daphnia pulex A. O. RuvinskyYu. I. LobkovD. K. Belyaev OriginalPaper Pages: 490 - 494
Identification of two closely located larval salivary protein genes in Drosophila melanogaster N. Gautam OriginalPaper Pages: 495 - 500
Deletion and amplification of DNA sequences in melanin-negative variants of Streptomyces reticuli Hildgund Schrempf OriginalPaper Pages: 501 - 505
The use of transposon insertion zdc-235::Tn10 (min 32) to clone and delete DNA from the terminus region of Escherichia coli Joan M. HensonPeter L. Kuempel OriginalPaper Pages: 506 - 512
Ultraviolet light induced mutagenesis of mitochondrial genes in the rad6, rev3 and cdc8 mutants of Saccharomyces cerevisiae Renata PolakowskaLouise PrakashSatva Prakash Short Communication Pages: 513 - 515
Distribution of insertion element IS1 in natural isolates of Escherichia coli Kate NymanHisako OhtsuboEiichi Ohtsubo Short Communication Pages: 516 - 518