1. 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

2. Anatomy of mitochondrial DNA from Paramecium aurelia

   • Donald J. Cummings
   • Richard A. Maki
   • Jane Laping

   OriginalPaper Pages: 499 - 510

3. Generalized transduction in Rhizobium meliloti

   • Tibor Sik
   • Judit Horváth
   • Subhendra Chatterjee

   OriginalPaper Pages: 511 - 516

4. Investigation of the function of the heat shock proteins in Drosophila melanogaster tissue culture cells

   • André-Patrick Arrigo

   OriginalPaper Pages: 517 - 524

5. Establishment of Escherichia coli cells with an integrated high copy number plasmid

   • Kazuo Yamaguchi
   • Jun-ichi Tomizawa

   OriginalPaper Pages: 525 - 533

6. Genetic information of the bacteriocinogenic plasmid Clo DF13 involved in the inhibition of the multiplication of double stranded DNA phages

   • H. v. d. Pol
   • E. Veltkamp
   • H. J. J. Nijkamp

   OriginalPaper Pages: 535 - 540

7. A temperature-sensitive Escherichia coli mutant defective in DNA replication: dnaA, a new gene adjacent to the dnA, gene

   • Yoshimasa Sakakibara
   • Touru Mizukami

   OriginalPaper Pages: 541 - 553

8. The phage promoter responsible for the expression of the inserted β-galactosidase gene in bacteriophage λplac5

   • Ka-cheung Luk
   • Kai-keung Mark

   OriginalPaper Pages: 555 - 560

9. A dnaB analog function specified by bacteriophage P7 and its comparison to the similar function specified by bacteriophage P1

   • G. Selvaraj
   • V. N. Iyer

   OriginalPaper Pages: 561 - 566

10. Comparative studies of chloroplastic and nuclear DNA repair abilities after ultraviolet irradiation of Euglena gracilis

    • Paul Nicolas
    • Younis Hussein
    • Victor Nigon

    OriginalPaper Pages: 567 - 572

11. Role of surface exclusion genes in lethal zygosis in Escherichia coli K12 mating

    • Jonathan T. Ou

    OriginalPaper Pages: 573 - 581

12. Identification of the E. coli dnaJ gene product

    • C. P. Georgopoulos
    • A. Lundquist-Heil
    • M. Feiss

    OriginalPaper Pages: 583 - 588

13. Mutants which make more malT product, the activator of the maltose regulon in Escherichia coli

    • Michel Débarbouillé
    • Maxime Schwartz

    OriginalPaper Pages: 589 - 595

14. Second-site rho mutation: Genetic linkage and polyC-dependent ATPase

    • Sonia K. Guterman
    • C. Linda Howitt
    • Gail Singer

    OriginalPaper Pages: 597 - 601

15. Cytochrome b-deficiency in a mitochondrial muc1muc2 recombinant of Saccharomyces cerevisiae

    • Julius Subik
    • André Goffeau

    OriginalPaper Pages: 603 - 610

16. The effect of urea on catabolite sensitive operons in Escherichia coli K 12

    • Brigitte Sanzey
    • Agnes Ullmann

    OriginalPaper Pages: 611 - 616

17. Genetic recombination of Herpes simplex virus, the role of the host cell and UV-irradiation of the virus

    • Uma B. Dasgupta
    • William C. Summers

    OriginalPaper Pages: 617 - 623

18. An Escherichia coli mutant refractory to nitrosoguanidine mutagenesis

    • Rosa Ruiz-Vázquez
    • E. Cerdá-Olmedo

    OriginalPaper Pages: 625 - 631

19. 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

20. Characterization and cloning of plasmid like DNA of the ascomycete Podospora anserina

    • U. Stahl
    • U. Kück
    • K. Esser

    OriginalPaper Pages: 639 - 646

21. Improved mapping of the tyrS locus in Escherichia coli

    • Børge Diderichsen
    • Guy De Hauwer

    OriginalPaper Pages: 647 - 650

22. The use of mitochondrial mutants in the isolation of hybrids involving industrial yeast strains

    • J. F. T. Spencer
    • P. Laud
    • Dorothy M. Spencer

    OriginalPaper Pages: 651 - 654

23. Complementation of T4 phage am mutations by hybrid phages λ-T4

    • D. Vorozheikina
    • I. Glinskaite
    • A. Bayev

    OriginalPaper Pages: 655 - 661

24. Increase in the number of histone genes in case of their deficiency in Drosophila melanogaster

    • A. I. Chernyshev
    • V. N. Bashkirov
    • R. B. Khesin

    OriginalPaper Pages: 663 - 668

25. A mutation suppressing the overproduction of RNA polymerase ββ′ subunits in the RpoC1 strain of Escherichia coli

    • E. S. Kalyaeva
    • I. S. Sever
    • O. N. Danilevskaya

    OriginalPaper Pages: 669 - 674

26. Characterisation of a λ transducing phage carrying the F conjugation gene traG

    • Neil Willetts
    • John Maule

    OriginalPaper Pages: 675 - 680

27. Transposition of the kanamycin-resistance transposon Tn903

    • Ry Young
    • Dana Smith Grillo
    • Michael Syvanen

    OriginalPaper Pages: 681 - 689

28. Map locations of some mutations conferring resistance to arginine hydroxamate in Bacillus subtilis 168

    • Andrew Mountain
    • Simon Baumberg

    OriginalPaper Pages: 691 - 701

29. Interaction of an Escherichia coli mutator gene with a deoxyribonucleotide effector

    • Henry A. Erlich
    • Edward C. Cox

    OriginalPaper Pages: 703 - 708

30. Transfer of plasmid pRD1 from Escherichia coli to Azospirillum brasilense

    • Mario Polsinelli
    • Elisabetta Baldanzi
    • Enzo Gallori

    Short Communication Pages: 709 - 711

31. An enrichment method for heme-less mutants of Saccharomyces cerevisiae based on photodynamic propeties of Zn-protoporphyrin

    • Danièle Grimal
    • Rosine Labbe-Bois

    Short Communication Pages: 713 - 716

32. Molecular cloning of EcoRII endonuclease and methylase genes

    • Valeri G. Kosykh
    • Yaroslav I. Buryanov
    • Alexander A. Bayev

    Short Communication Pages: 717 - 718