1. Preface

   EditorialNotes Pages: 137 - 137

2. Structure and expression of U-snRNA genes

   • James E. Dahlberg
   • Elsebet Lund

   Session 1: Vertebrate snRNA Genes Pages: 139 - 143

3. Formation of the 3′ end of snRNAs

   • N. Hernandez
   • R. Lucito

   Session 1: Vertebrate snRNA Genes Pages: 145 - 145

4. Experimental systems for analysis of the developmental control of U1 RNA gene expression

   • Elsebet Lund
   • James E Dahlberg

   Session 1: Vertebrate snRNA Genes Pages: 146 - 146

5. Transcription of Xenopus U snRNA genes

   • Graham Tebb
   • Michael Kazmaier
   • Iain W. Mattaj

   Session 1: Vertebrate snRNA Genes Pages: 147 - 149

6. U2 snRNA genes of Arabidopsis thaliana and their expression in transfected plant protoplasts

   • P. Vankan
   • W. Filipowicz

   Session 1: Vertebrate snRNA Genes Pages: 150 - 150

7. The protein components of snRNPs in mammalian cells

   • Walther J. Van Venrooij

   Session 2: Protein Components of snRNPs Pages: 151 - 153

8. Molecular analysis of the U2 snRNP unique protein A′

   • Lucille D. Fresco
   • Jack D. Keene

   Session 2: Protein Components of snRNPs Pages: 155 - 155

9. Isolation of cDNA clones expressing the RNP, Sm and La autoantigens

   • I. Pettersson
   • U. Nyman
   • N. R. Ringertz

   Session 2: Protein Components of snRNPs Pages: 156 - 157

10. The U1 RNA-specific 70K protein: RNA-binding studies and autoimmune cross-reactivity with type-C retroviruses

    • Charles C. Query
    • Jack D. Keene

    Session 2: Protein Components of snRNPs Pages: 158 - 158

11. Extensive homology between the U1 snRNA-associated a protein and the U2 snRNA-associated B″ protein

    • Peter Sillekens
    • Winand Habets
    • Walther Van Venrooij

    Session 2: Protein Components of snRNPs Pages: 159 - 159

12. Molecular cloning of U1 and U2 snRNP associated proteins

    • Peter T. Sillekens
    • Winand J. Habets
    • Walther J. Van Venrooij

    Session 2: Protein Components of snRNPs Pages: 160 - 160

13. Characterization of the 70-kd U1 snRNP protein and its interaction with U1 snRNA

    • R. A. Spritz
    • K. Strunk
    • S. Hoch

    Session 2: Protein Components of snRNPs Pages: 161 - 161

14. Independent longitudinal variation of human autoantibodies to nRNP/SmPolypeptides: P67, A,B & D

    • D. G. Williams

    Session 2: Protein Components of snRNPs Pages: 162 - 163

15. Monoclonal autoantibody recognizing a unique set of snRNP complexes

    • Anne Winkler
    • Robyn Watson-McKnown
    • Kim S. Wise

    Session 2: Protein Components of snRNPs Pages: 164 - 164

16. hnRNPS and mRNPS

    • Swanson Maurice S.
    • Serafin Pinol Roma
    • Gideon Dreyfuss

    Session 3: Structure of RNPs Pages: 165 - 168

17. hnRNP protein A1, molecular structure and gene expression

    • M. Buvoli
    • C. Morandi
    • S. Riva

    Session 3: Structure of RNPs Pages: 169 - 170

18. Specific binding of globin mRNA and distinct ß-globin mRNA-segments to blotted mRNP proteins

    • Görlach M.
    • M. Sauter
    • K. Hilse

    Session 3: Structure of RNPs Pages: 171 - 172

19. Characteristics of the in vivo 40S U-snRNA-protein complex, MI

    • A. Guialis
    • A. Dangli
    • C. E. Sekeris

    Session 3: Structure of RNPs Pages: 173 - 173

20. Functional roles of U snRNP components

    • Jörg Hamm
    • Nina Dathan
    • Iain W. Mattaj

    Session 3: Structure of RNPs Pages: 174 - 175

21. HNRNP core protein A1 is a member of a complex multigene family: Gene structure and evidence for the existence of two expressed genes in human cells

    • Stephan te Heesen
    • Klaus Melchers
    • Klaus P. Schäfer

    BriefCommunication Pages: 176 - 176

22. Changes in hnRNP in the course of premRNA processing

    • Monique Jacob
    • Helene Gallinaro

    Session 3: Structure of RNPs Pages: 177 - 177

23. Structural and biochemical characterization of a specific premessenger RNP particle

    • Anna Lönnroth
    • Tilmann Wurtz
    • Bertil Daneholt

    Session 3: Structure of RNPs Pages: 178 - 179

24. The intranuclear states of snRNP complexes

    • T. E. Martin
    • S. A. Monsma
    • G. P. Leser

    Session 3: Structure of RNPs Pages: 180 - 181

25. Stable hnRNP protein binding to pre-mRNA in splicing extract is enhanced by an intron and requires the 5′ end of U1 RNA

    • Sandra H. Mayrand
    • Thoru Pederson

    Session 3: Structure of RNPs Pages: 182 - 182

26. Monoclonal antibodies against large nuclear RNP particles

    • D. Offen
    • P. Spann
    • J. Sperling

    Session 3: Structure of RNPs Pages: 183 - 184

27. Reconstitution and protein-RNA mapping of the human U1 small nuclear RNP particle

    • Jeffrey R. Patton
    • Thoru Pederson

    Session 3: Structure of RNPs Pages: 185 - 185

28. Calcium induced changes of calcitonin mRNA levels in the normal rat

    • N. Segond
    • M. C. Delehaye
    • J. Taboulet

    Session 3: Structure of RNPs Pages: 186 - 187

29. Functions of U-snRNPs

    • Joan A. Steitz

    Session 4: Function of U-snRNPs Pages: 189 - 192

30. Regulated 3′ processing of histone mRNA requires both the U7 snRNP and a heat-labile component with interesting properties

    • Birnstiel M. L.
    • Gick O.
    • Krämer A.

    Session 4: Function of U snRNPs Pages: 193 - 193

31. Processing of human CALC-I RNA

    • R. A. L. Bovenberg
    • P. D. Baas
    • H. S. Jansz

    Session 4: Function of U snRNPs Pages: 194 - 195

32. Analysis of the mechanisms controlling the expression of the L1 ribosomal protein gene in Xenopus laevis

    • E. Caffarelli
    • P. Fragapane
    • I. Bozzoni

    Session 4: Function of U snRNPs Pages: 196 - 197

33. 3′processing of nuclear messenger RNA precursors in vitro: Separation of factors and assembly of large complexes

    • G. Christofori
    • T. Humphrey
    • W. Keller

    Session 4: Function of U snRNPs Pages: 198 - 198

34. Components involved in the assembly of spliceosomes and in the splicing of nuclear messenger RNA precursors in vitro

    • A. Krämer
    • D. Frendewey
    • W. Keller

    Session 4: Function of U snRNPs Pages: 199 - 200

35. Biochemical mechanisms of mammalian pre-mRNA splicing

    • Barbara Ruskin
    • Albrecht Bindereif
    • Michael R. Green

    Session 4: Function of U snRNPs Pages: 201 - 201

36. Functions of U-SNRNPS

    • J. A. Steitz
    • K. A. Parker
    • S. I. Lee

    Session 4: Function of U snRNPs Pages: 202 - 202

37. The length of the acceptor exon influences branch point selection in mammalian in vitro splicing systems

    • Tazi J.
    • Temsamani J.
    • Jeanteur Ph.

    Session 4: Function of U snRNPs Pages: 203 - 203

38. Assembly of pre-mRNA splicing complex is cap dependent

    • Eva Thalmann
    • Erik Patzelt
    • Ernst Kuechler

    Session 4: Function of U snRNPs Pages: 204 - 204

39. Yeast snRNPs

    • David A. Brow
    • Christine Guthrie

    Session 5: Yeast snRNPs Pages: 205 - 207

40. Identification of a snRNP protein in Saccharomyces cerevisiae

    • J. D. Beggs
    • M. Lossky
    • G. J. Anderson

    Session 5: Yeast snRNPs Pages: 209 - 210

41. RNA11 gene product and the spliceosome

    • T.-H. Chang
    • J. Abelson

    Session 5: Yeast snRNPs Pages: 211 - 211

42. Temperature-sensitive splicing mutants in yeast

    • Usha Vijayraghavan
    • John Abelson

    Session 5: Yeast snRNPs Pages: 212 - 212

43. Structure and function of the signal recognition particle (SRP)

    • Bernhard Dobberstein

    Session 6a: The SRP Particle Pages: 213 - 217

44. Substrate requirements for SRP-mediated targeting to the ER membrane

    • V. Siegel
    • P. D. Garcia
    • P. Walter

    Session 6a: The SRP Particle Pages: 219 - 219

45. Functional dissection of the signal recognition particle

    • V. Siegel
    • M. Poritz
    • P. Walter

    Session 6a: The SRP Particle Pages: 220 - 220

46. 3D-modeling of 7SL RNA of the signal recognition particle

    • Christian Zwieb

    Session 6a: The SRP Particle Pages: 221 - 222

47. 19s cylinder particles ubiqutious from plants to man: Their morphology, molecular composition and potential functions

    • P.-M. Kloetzel

    Session 6b: Prosomes or 19S Cylinder Particles Pages: 223 - 227

48. The ∼ 20 S cylinder particles of Xenopus laevis: Experimental findings and open questions

    • J. A. Kleinschmidt
    • W.-J. Buhl

    Session 6b: Prosomes or 19S Cylinder Particles Pages: 229 - 229

49. The 19s cylinder scRNP particles: Their dynamics in molecular composition and their function

    • P.-M. Kloetzel
    • P. E. Falkenburg
    • B. Dahlmann

    Session 6b: Prosomes or 19S Cylinder Particles Pages: 230 - 231

50. Prosomes

    • K. Scherrer
    • F. Grossi De Sa
    • H. P. Schmid

    Session 6b: Prosomes or 19S Cylinder Particles Pages: 232 - 232