1. Editorial

   • Wolfgang Hennig

   EditorialNotes Pages: 383 - 383

2. The nucleolus: then and now

   • Susan A. Gerbi

   Foreword Pages: 385 - 387

3. Asen Hadjiolov, remembered

   • Krassimira V. Hadjiolova
   • Jean-Pierre Bachellerie
   • George Russev

   Introduction Pages: 388 - 390

4. Eukaryotic ribosomal RNA: the recent excitement in the nucleotide modification problem

   • B. Edward H. Maden
   • John M. X. Hughes

   Chromosoma Focus Pages: 391 - 400

5. U3 snoRNA may recycle through different compartments of the nucleolus

   • Susan A. Gerbi
   • Anton Borovjagin

   Chromosoma Focus Pages: 401 - 406

6. A class of nonribosomal nucleolar components is located in chromosome periphery and in nucleolus-derived foci during anaphase and telophase

   • Miroslav Dundr
   • U. Thomas Meier
   • Mark O. J. Olson

   Research Articles Pages: 407 - 417

7. Experimental induction of prenucleolar bodies (PNBs) in interphase cells: interphase PNBs show similar characteristics as those typically observed at telophase of mitosis in untreated cells

   • Olga V. Zatsepina
   • Oksana A. Dudnic
   • Michael F. Trendelenburg

   Research Articles Pages: 418 - 430

8. Beyond ribosomal DNA: on towards the telomere

   • Iris L. Gonzalez
   • James E. Sylvester

   Research Articles Pages: 431 - 437

9. “Micronucleoli” in theXenopus germinal vesicle

   • Zheng'an Wu
   • Joseph G. Gall

   Research Articles Pages: 438 - 443

10. DoesSaccharomyces need an organized nucleolus?

    • Concepcion R. Nierras
    • Susan W. Liebman
    • Jonathan R. Warner

    Research Articles Pages: 444 - 451

11. Small nucleolar RNAs and nucleolar proteins inXenopus anucleolate embryos

    • Claudia Crosio
    • Nadia Campioni
    • Paola Pierandrei-Amaldi

    Research Articles Pages: 452 - 458

12. Relative distribution of rDNA and proteins of the RNA polymerase I transcription machinery at chromosomal NORs

    • José A. Suja
    • Jeannine Gébrane-Younès
    • Danièle Hernandez-Verdun

    Research Articles Pages: 459 - 469

13. Looking at christmas trees in the nucleolus

    • Ulrich Scheer
    • Bangying Xia
    • Dieter Weisenberger

    Research Articles Pages: 470 - 480

14. Analysis of nucleolar transcription and processing domains and pre-rRNA movements by in situ hybridization

    • Inara B. Lazdins
    • Michael Delannoy
    • Barbara Sollner-Webb

    Research Articles Pages: 481 - 495

15. Early stages of pre-rRNA formation within the nucleolar ultrastructure of mouse cells studied by in situ hybridization with a 5′ETS leader probe

    • Francine Puvion-Dutilleul
    • Edmond Puvion
    • Jean-Pierre Bachellerie

    Research Articles Pages: 496 - 505

16. Delocalization of some small nucleolar RNPs after actinomycin D treatment to deplete early pre-rRNAs

    • Rafael Rivera-León
    • Susan A. Gerbi

    Research Articles Pages: 506 - 514

17. U14 small nucleolar RNA makes multiple contacts with the pre-ribosomal RNA

    • John P. Morrissey
    • David Tollervey

    Research Articles Pages: 515 - 522

18. Variable region V1 ofSaccharomyces cerevisiae 18S rRNA participates in biogenesis and function of the small ribosomal subunit

    • Rob W. van Nues
    • Jaap Venema
    • Hendrik A. Raué

    Research Articles Pages: 523 - 531

19. Mitosis-specific phosphorylation of gar2, a fission yeast nucleolar protein structurally related to nucleolin

    • Marie-Pierre Gulli
    • Marlène Faubladier
    • Michèle Caizergues-Ferrer

    Research Articles Pages: 532 - 541

20. Ultrastructural changes in theSchizosaccharomyces pombe nucleolus following the disruption of thegar2+gene, which encodes a nucleolar protein structurally related to nucleolin

    • Isabelle Léger-Silvestre
    • Marie-Pierre Gulli
    • Nicole Gas

    Research Articles Pages: 542 - 552

21. Human proliferation-related protein p120 interacts with HSRP1

    • Yong Ren
    • Harris Busch

    Research Articles Pages: 553 - 559

22. Acknowledgement to reviewers

    Acknowledgments Pages: 561 - 561

23. Does Saccharomyces need an organized nucleolus?

    • Concepcion R. Nierras
    • Susan W. Liebman
    • Jonathan R. Warner

    Pages: 444 - 451