Hybrid plasmid carrying Escherichia coli genes for the primase (dnaG) and RNA polymerase sigma factor (rpoD); gene organization and control of their expression Yoshikazu Nakamura OriginalPaper Pages: 487 - 497
Anatomy of mitochondrial DNA from Paramecium aurelia Donald J. CummingsRichard A. MakiJane Laping OriginalPaper Pages: 499 - 510
Generalized transduction in Rhizobium meliloti Tibor SikJudit HorváthSubhendra Chatterjee OriginalPaper Pages: 511 - 516
Investigation of the function of the heat shock proteins in Drosophila melanogaster tissue culture cells André-Patrick Arrigo OriginalPaper Pages: 517 - 524
Establishment of Escherichia coli cells with an integrated high copy number plasmid Kazuo YamaguchiJun-ichi Tomizawa OriginalPaper Pages: 525 - 533
Genetic information of the bacteriocinogenic plasmid Clo DF13 involved in the inhibition of the multiplication of double stranded DNA phages H. v. d. PolE. VeltkampH. J. J. Nijkamp OriginalPaper Pages: 535 - 540
A temperature-sensitive Escherichia coli mutant defective in DNA replication: dnaA, a new gene adjacent to the dnA, gene Yoshimasa SakakibaraTouru Mizukami OriginalPaper Pages: 541 - 553
The phage promoter responsible for the expression of the inserted β-galactosidase gene in bacteriophage λplac5 Ka-cheung LukKai-keung Mark OriginalPaper Pages: 555 - 560
A dnaB analog function specified by bacteriophage P7 and its comparison to the similar function specified by bacteriophage P1 G. SelvarajV. N. Iyer OriginalPaper Pages: 561 - 566
Comparative studies of chloroplastic and nuclear DNA repair abilities after ultraviolet irradiation of Euglena gracilis Paul NicolasYounis HusseinVictor Nigon OriginalPaper Pages: 567 - 572
Role of surface exclusion genes in lethal zygosis in Escherichia coli K12 mating Jonathan T. Ou OriginalPaper Pages: 573 - 581
Identification of the E. coli dnaJ gene product C. P. GeorgopoulosA. Lundquist-HeilM. Feiss OriginalPaper Pages: 583 - 588
Mutants which make more malT product, the activator of the maltose regulon in Escherichia coli Michel DébarbouilléMaxime Schwartz OriginalPaper Pages: 589 - 595
Second-site rho mutation: Genetic linkage and polyC-dependent ATPase Sonia K. GutermanC. Linda HowittGail Singer OriginalPaper Pages: 597 - 601
Cytochrome b-deficiency in a mitochondrial muc1muc2 recombinant of Saccharomyces cerevisiae Julius SubikAndré Goffeau OriginalPaper Pages: 603 - 610
The effect of urea on catabolite sensitive operons in Escherichia coli K 12 Brigitte SanzeyAgnes Ullmann OriginalPaper Pages: 611 - 616
Genetic recombination of Herpes simplex virus, the role of the host cell and UV-irradiation of the virus Uma B. DasguptaWilliam C. Summers OriginalPaper Pages: 617 - 623
An Escherichia coli mutant refractory to nitrosoguanidine mutagenesis Rosa Ruiz-VázquezE. Cerdá-Olmedo OriginalPaper Pages: 625 - 631
Genetic and biochemical evidence for hexokinase PII as a key enzyme involved in carbon catabolite repression in yeast K. -D. Entian OriginalPaper Pages: 633 - 637
Characterization and cloning of plasmid like DNA of the ascomycete Podospora anserina U. StahlU. KückK. Esser OriginalPaper Pages: 639 - 646
Improved mapping of the tyrS locus in Escherichia coli Børge DiderichsenGuy De Hauwer OriginalPaper Pages: 647 - 650
The use of mitochondrial mutants in the isolation of hybrids involving industrial yeast strains J. F. T. SpencerP. LaudDorothy M. Spencer OriginalPaper Pages: 651 - 654
Complementation of T4 phage am mutations by hybrid phages λ-T4 D. VorozheikinaI. GlinskaiteA. Bayev OriginalPaper Pages: 655 - 661
Increase in the number of histone genes in case of their deficiency in Drosophila melanogaster A. I. ChernyshevV. N. BashkirovR. B. Khesin OriginalPaper Pages: 663 - 668
A mutation suppressing the overproduction of RNA polymerase ββ′ subunits in the RpoC1 strain of Escherichia coli E. S. KalyaevaI. S. SeverO. N. Danilevskaya OriginalPaper Pages: 669 - 674
Characterisation of a λ transducing phage carrying the F conjugation gene traG Neil WillettsJohn Maule OriginalPaper Pages: 675 - 680
Transposition of the kanamycin-resistance transposon Tn903 Ry YoungDana Smith GrilloMichael Syvanen OriginalPaper Pages: 681 - 689
Map locations of some mutations conferring resistance to arginine hydroxamate in Bacillus subtilis 168 Andrew MountainSimon Baumberg OriginalPaper Pages: 691 - 701
Interaction of an Escherichia coli mutator gene with a deoxyribonucleotide effector Henry A. ErlichEdward C. Cox OriginalPaper Pages: 703 - 708
Transfer of plasmid pRD1 from Escherichia coli to Azospirillum brasilense Mario PolsinelliElisabetta BaldanziEnzo Gallori Short Communication Pages: 709 - 711
An enrichment method for heme-less mutants of Saccharomyces cerevisiae based on photodynamic propeties of Zn-protoporphyrin Danièle GrimalRosine Labbe-Bois Short Communication Pages: 713 - 716
Molecular cloning of EcoRII endonuclease and methylase genes Valeri G. KosykhYaroslav I. BuryanovAlexander A. Bayev Short Communication Pages: 717 - 718
