1. Mutational analysis of the role of the first helix of region 4.2 of the σ⁷⁰ subunit ofEscherichia coli RNA polymerase in transcriptional activation by activator protein PhoB

   • S. -K. Kim
   • K. Makino
   • H. Shinagawa

   Original Paper Pages: 1 - 8

2. Toward a bacterial genome technology: integration of theEscherichia coli prophage lambda genome into theBacillus subtilis 168 chromosome

   • Mitsuhiro Itaya

   Original Paper Pages: 9 - 16

3. A positive regulatory gene,pvdS, for expression of pyoverdin biosynthetic genes inPseudomonas aeruginosa PAO

   • Hiroaki Miyazaki
   • Hiroshi Kato
   • Masataka Tsuda

   Original Paper Pages: 17 - 24

4. Nutritional response in aDrosophila yolk protein gene promoter

   • Leif Søndergaard
   • Debbie Mauchline
   • Mary Bownes

   Original Paper Pages: 25 - 32

5. In vivo reconstitution of an active siderophore transport system by a binding protein derivative lacking a signal sequence

   • Martin R. Rohrbach
   • Sabine Paul
   • Wolfgang Köster

   Original Paper Pages: 33 - 42

6. Genes encoding small GTP-binding proteins analogous to mammalian rac are preferentially expressed in developing cotton fibers

   • Deborah P. Delmer
   • Julie R. Pear
   • David M. Stalker

   Original Paper Pages: 43 - 51

7. Promoters of thephr gene inEscherichia coli K-12

   • Chuping Ma
   • Claud S. Rupert

   Original Paper Pages: 52 - 58

8. Regulation of theSaccharomyces cerevisiae Srs2 helicase during the mitotic cell cycle, meiosis and after irradiation

   • Martine Heude
   • Roland Chanet
   • Francis Fabre

   Original Paper Pages: 59 - 68

9. Modifier of rudimentary ^p1 ,mod(r) ^p1 , a trans-acting regulatory mutation of rudimentary

   • Dale Begley
   • Anne Marie Murphy
   • Stuart I. Tsubota

   Original Paper Pages: 69 - 78

10. Deletion of the last two exons of the mitochondrialnad7 gene results in lack of the NAD7 polypeptide in aNicotiana sylvestris CMS mutant

    • Magali Pla
    • Chantal Mathieu
    • Fernand Vedel

    Original Paper Pages: 79 - 88

11. Horizontal transfer of a mitochondrial plasmid

    • Frank Kempken

    Original Paper Pages: 89 - 94

12. TheTri4 gene ofFusarium sporotrichioides encodes a cytochrome P450 monooxygenase involved in trichothecene biosynthesis

    • Thomas M. Hohn
    • Anne E. Desjardins
    • Susan P. McCormick

    Original Paper Pages: 95 - 102

13. A new mutation inEscherichia coli K12,isfA, which is responsible for inhibition of SOS functions

    • Anna Bębenek
    • Irena Pietrzykowska

    Original Paper Pages: 103 - 113

14. σ^B-dependent regulation ofgsiB in response to multiple stimuli inBacillus subtilis

    • Björn Maul
    • Uwe Völker
    • Michael Hecker

    Original Paper Pages: 114 - 120