1. Defective I elements introduced intoDrosophila as transgenes can regulate reactivity and prevent I-R hybrid dysgenesis

   • Silke Jensen
   • Laurent Cavarec
   • Thierry Heidmann

   Original Paper Pages: 381 - 390

2. Overproduction of the ATP-dependent nuclease AddAB improves the structural stability of a model plasmid system inBacillus subtilis

   • Rob Meima
   • Bert Jan Haijema
   • Sierd Bron

   Original Paper Pages: 391 - 398

3. Gene activation by theEscherichia coli positive regulator OmpR: A mutational study of the DNA-binding domain of OmpR

   • Naoki Kato
   • Masakatsu Tsuzuki
   • Takeshi Mizuno

   Original Paper Pages: 399 - 406

4. A new mobile genetic element inLactobacillus delbrueckii subsp.bulgaricus

   • Jacques-Edouard Germond
   • Luciane Lapierre
   • Beat Molle

   Original paper Pages: 407 - 416

5. DNA supercoiling in a thermotolerant mutant ofEscherichia coli

   • S. Marvin Friedman
   • Muhammad Malik
   • Karl Drlica

   Original paper Pages: 417 - 422

6. Characterization ofGandalf, a new inverted-repeat transposable element ofDrosophila koepferae

   • Ignacio Marín
   • Antonio Fontdevila

   Original paper Pages: 423 - 433

7. A genetically tagged, defective I element can be complemented by actively transposing I factors in the germaine of I-R dysgenic females inDrosophila melanogaster

   • Marie-Christine Chaboissier
   • Claude Bornecque
   • Alain Bucheton

   Original Paper Pages: 434 - 438

8. Schizosaccharomyces pombe rds1, an adenine-repressible gene regulated by glucose, ammonium, phosphate, carbon dioxide and temperature

   • Katja Maria Ludin
   • Norma Hilti
   • Martin Ernst Schweingruber

   Original Paper Pages: 439 - 445

9. Theagr P2 operon: An autocatalytic sensory transduction system inStaphylococcus aureus

   • R. P. Novick
   • S. J. Projan
   • R. P. Novick

   OriginalPaper Pages: 446 - 458

10. Analysis of Tn5 inversion events inEscherichia coli plasmids

    • Peter C. Weber

    Original Paper Pages: 459 - 470

11. Zeon-1, a member of a new maize retrotransposon family

    • Weiming Hu
    • O. Prem Das
    • Joachim Messing

    Original Paper Pages: 471 - 480

12. The plastid aldolase gene fromChlamydomonas reinhardtii: Intron/exon organization, evolution, and promoter structure

    • Birgit Pelzer-Reith
    • Susanne Freund
    • Katsuji Hori

    Original Paper Pages: 481 - 486

13. Roa307, a protein encoded onCoxiella burnetii plasmid QpH1, shows homology to proteins encoded in the replication origin region of bacterial chromosomes

    • Zhicheng Lin
    • Dale Howe
    • Louis P. Mallavia

    Original Paper Pages: 487 - 490

14. A fission yeast gene mapping close tosuc1 encodes a protein containing two bromodomains

    • Stephen J. Aves
    • John Hindley
    • Nicholas Tongue

    Original Paper Pages: 491 - 498

15. A temperature-sensitive lambda cl repressor functions on a modified operator in yeast cells by masking the TATA element

    • Holger Wedler
    • Rolf Wambutt

    Short Communication Pages: 499 - 505