1. Gene conversion as a focusing mechanism for correlated mutations: a hypothesis

   • J. Ninio

   Original Paper Pages: 503 - 508

2. Use of a non-selective transformation technique to construct a multiply restriction/modification-deficient mutant ofNeisseria gonorrhoeae

   • J. S. Gunn
   • D. C. Stein

   Original Paper Pages: 509 - 517

3. A ribosomal protein gene (rpl32) from tobacco chloroplast DNA is transcribed from alternative promoters: similarities in promoter region organization in plastid housekeeping genes

   • A. Vera
   • T. Hirose
   • A. Vera

   Original Paper Pages: 518 - 525

4. Telomere-homologous sequences occur near the centromeres of many tomato chromosomes

   • G. G. Presting
   • A. Frary
   • G. G. Presting

   Original Paper Pages: 526 - 531

5. Characterisation of a new allele ofpale cress and its role in greening inArabidopsis thaliana

   • C. Grevelding
   • C. Suter-Crazzolara
   • B. Reiss

   Original Paper Pages: 532 - 541

6. Regulation of acid phosphatases in anAspergillus niger pacC disruption strain

   • J. P. T. W. van den Hombergh
   • A. P. MacCabe
   • J. Visser

   Original Paper Pages: 542 - 550

7. Identification of genetic factors for alachlor tolerance in maize by molecular markers analysis

   • M. Sari-Gorla
   • L. Rampoldi
   • M. E. Pè

   Original Paper Pages: 551 - 555

8. cAMP inhibits bud growth in a yeast strain compromised for Ca²⁺ influx into the Golgi

   • A. D. Hartley
   • S. Bogaerts
   • S. Garrett

   Original Paper Pages: 556 - 564

9. A kinase-encoding gene fromColletotrichum trifolii complements a colonial growth mutant ofNeurospora crassa

   • T. L. Buhr
   • G. M. Truesdell
   • O. Yarden

   Original Paper Pages: 565 - 572

10. Induction of theEscherichia coli UVM response by oxidative stress

    • G. Wang
    • M. Z. Humayun

    Original Paper Pages: 573 - 579

11. A putative membrane protein, Pho88p, involved in inorganic phosphate transport inSaccharomyces cerevisiae

    • C. Yompakdee
    • N. Ogawa
    • Y. Oshima

    Original Paper Pages: 580 - 590

12. Regulation of theribA gene encoding GTP cyclohydrolase II by thesoxRS locus inEscherichia coli

    • Y. -S. Koh
    • J. Choih
    • J. -H. Roe

    Original Paper Pages: 591 - 598

13. Phosphorylation/dephosphorylation steps are key events in the phytochrome-mediated enhancement of nitrate reductase mRNA levels and enzyme activity in maize

    • M. R. Chandok
    • S. K. Sopory

    Original Paper Pages: 599 - 608

14. Sequence variation in the putative replication origins of the five genetically distinct basicEuoenothera plastid chromosomes (plastomes)

    • S. Hornung
    • H. Fulgosi
    • R. G. Herrmann

    Short Communication Pages: 609 - 612

15. Genetic evidence for functional specificity of the yeast GCN2 kinase

    • N. Tavernarakis
    • G. Thireos
    • N. Tavernarakis

    Short Communication Pages: 613 - 618