1. Preface

   • Hans Bloemendal

   EditorialNotes Pages: 3 - 3

2. Isolation and characterization of nuclear ribonucleoprotein complexes from Drosophila melanogaster

   • J. C. Wooley
   • R. Cone
   • Su-yun Chung

   OriginalPaper Pages: 5 - 13

3. The structure of ribonucleoprotein particles from rat liver nuclei

   • P. C. Heinrich
   • W. Northemann

   OriginalPaper Pages: 15 - 24

4. Some features of nucleo-cytoplasmic RNA transport from isolated nuclei

   • A. V. Peskin
   • Y. M. Koen
   • I. B. Zbarsky

   OriginalPaper Pages: 25 - 30

5. Small RNAs in HnRNP fibrils and their possible function in splicing

   • H. Gallinaro
   • E. Lazar
   • C. Branlant

   OriginalPaper Pages: 31 - 39

6. Particles containing small molecular weight nuclear RNAs (snRNPs)

   • J. P. Liautard
   • J. Sri Widada
   • C. Brunel

   OriginalPaper Pages: 41 - 45

7. Properties of a 110000 molecular weight protein in rat liver hnRNP particles

   • A. Schweiger
   • G. Kostka

   OriginalPaper Pages: 47 - 51

8. Structural organization of nascent transcripts and hnRNA molecules in amphibian oocytes

   • J. Sommerville
   • U. Scheer

   OriginalPaper Pages: 53 - 56

9. Separation of mercury substituted RNA synthesized in isolated rat liver nuclei

   • M. Hanausek-Walaszek
   • Z. Walaszek
   • M. Chorazy

   OriginalPaper Pages: 57 - 62

10. Cytoplasmic processing events in the polyadenylate region of Physarum messenger RNA

    • W. R. Jeffery
    • D. S. Adams
    • D. Noonan

    OriginalPaper Pages: 63 - 70

11. Potential role of mRNP proteins in cytoplasmic control of gene expression in duck erythroblasts

    • A. Vincent
    • S. Goldenberg
    • K. Scherrer

    OriginalPaper Pages: 71 - 81

12. Isolation of globin pre-messenger RNA on thiol-agarose by terminally mercurated complementary DNA

    • G. Kessler-Icekson
    • J. Moreau
    • K. Scherrer

    OriginalPaper Pages: 83 - 92

13. In vivo cross-linking of proteins to mRNA in human cells

    • W. J. van Venrooij
    • A. J. M. Wagenmakers
    • R. J. Reinders

    OriginalPaper Pages: 93 - 99

14. Electron microscopic evidence of circular molecules in 9-S globin mRNA from rabbit reticulocytes

    • A. M. Ladhoff
    • I. Uerlings
    • S. Rosenthal

    OriginalPaper Pages: 101 - 106

15. Nuclear ribonucleoprotein particles from adenovirus infected Hela cells

    • J. M. Blanchard
    • J. Weber

    OriginalPaper Pages: 107 - 113

16. Nucleotide sequence complementarity between adenovirus 2-coded VA RNA and host cell pre-mRNa

    • H. Naora
    • N. J. Deacon

    OriginalPaper Pages: 115 - 121

17. Sequence determination of the 3′ end of mouse mammary tumor virus RNA

    • R. Klemenz
    • M. Reinhardt
    • H. Diggelmann

    OriginalPaper Pages: 123 - 126

18. A model structure for Rous sarcoma virus genomic RNA and its implications for various functions of the viral RNA

    • J. -I. Darlix
    • P. A. Bromley
    • P. -F. Spahr

    OriginalPaper Pages: 127 - 133

19. Viral RNA content of bovine leukemia virus-infected cells

    • G. Marbaix
    • R. Kettmann
    • A. Burny

    OriginalPaper Pages: 135 - 138

20. Nuclear skeleton structures in some normal and tumor cells

    • I. B. Zbarsky

    OriginalPaper Pages: 139 - 148

21. A general function of noncoding polynucleotide sequences

    • E. Zuckerkandl

    OriginalPaper Pages: 149 - 158

22. Post-transcriptional control of messenger abundance

    • G. D. Birnie
    • A. Balmain
    • J. Paul

    Extended Abstracts Pages: 159 - 162

23. Biogenesis of a transforming gene

    • C. Van Beveren
    • J. G. Goddard
    • I. M. Verma

    BriefCommunication Pages: 163 - 165

24. The lens cytoskeleton

    • H. Bloemendal
    • E. L. Benedetti
    • I. Dunia

    BriefCommunication Pages: 167 - 168

25. Abstracts

    Abstract Pages: 169 - 195