1. Protoplasma at the year 2000

   • D. Menzel

   Announcement Pages: IX - IX

2. Functions of the nuclear lamins

   • O. A. Vaughan
   • W. G. E. Whitfield
   • C. J. Hutchison

   OriginalPaper Pages: 1 - 7

3. The role of Cdc25 phosphatases in cell cycle checkpoints

   • Ingrid Hoffmann

   OriginalPaper Pages: 8 - 11

4. The budding yeast kinetochore: less simple than expected

   • J. Ortiz
   • J. Lechner

   OriginalPaper Pages: 12 - 19

5. Cullins and cell cycle control

   • C. Gieffers
   • A. Schleiffer
   • J. -M. Peters

   OriginalPaper Pages: 20 - 28

6. Possible involvement of protein phosphorylation in the regulation of cytoplasmic organization and streaming in root hair cells as revealed by a protein phosphatase inhibitor, calyculin A

   • E. Yokota
   • K. Hibara
   • T. Shimmen

   Original Papers Pages: 29 - 38

7. Ultrastructure and anatomy of nematode-induced syncytia in roots of susceptible and resistant sugar beet

   • B. Holtmann
   • M. Kleine
   • F. M. W. Grundler

   Original Papers Pages: 39 - 50

8. Organogenesis fromSolanum melongena L. (eggplant) cotyledon expiants is associated with hormone-modulated enhancement of polyamine biosynthesis and conjugation

   • V. Scoccianti
   • E. Sgarbi
   • S. Biondi

   Original Papers Pages: 51 - 63

9. In situ localization of PR-1 mRNA and PR-1 protein in compatible and incompatible interactions of pepper stems withPhytophthora capsici

   • Yeon Kyeong Lee
   • S. Hippe-Sanwald
   • Byung Kook Hwang

   Original Papers Pages: 64 - 75

10. Transfer cells and flange cells in sinkers of the mistletoePhoradendron macrophyllum (Viscaceae), and their novel combination

    • Brian A. Fineran
    • Clyde L. Calvin

    Original Papers Pages: 76 - 93

11. Structural changes during early embryogenesis in wheat pollen

    • F. J. Bonet
    • A. Olmedilla

    Original Papers Pages: 94 - 102

12. Plasmodesmata in onion (Alliurn cepa L.) roots: a study enabled by improved fixation and embedding techniques

    • Fengshan Ma
    • Carol A. Peterson

    Original Papers Pages: 103 - 115

13. Histone H4 acetylation and DNA methylation dynamics during pollen development

    • Bohuslav Janousek
    • Jitka Zluvova
    • Boris Vyskot

    Original Papers Pages: 116 - 122

14. Erratum

    • K. S. Ramulu

    Erratum Pages: 123 - 123