1. The German Federal Republic: Annual Report for 1989 of the Deutsche Forschungsgemeinschaft (DFG; German Research Association)

   Science Policy News Pages: 1 - 3

2. Neurosciences

   Posters Pages: A1 - A14

3. Announcements

   Science Policy News Pages: 3 - 3

4. Membrane biology and signal transduction

   Posters Pages: A15 - A23

5. The discovery of antidepressants: A winding path

   • A. Pletscher

   Reviews Pages: 4 - 8

6. Morphology and physiology

   Posters Pages: A24 - A29

7. The dental amalgam issue. A review

   • M. Hanson
   • J. Pleva

   Reviews Pages: 9 - 22

8. Pharmacology and toxicology

   Posters Pages: A30 - A33

9. The human leukemia cell line, THP-1: A multifacetted model for the study of monocyte-macrophage differentiation

   • J. Auwerx

   Reviews Pages: 22 - 31

10. Gene expression and replication

    Posters Pages: A34 - A52

11. Captivity affects behavioral physiology: Plasticity in signaling sexual identity

    • R. E. Landsman

    Reviews Pages: 31 - 38

12. Regulation of cell growth

    Posters Pages: A53 - A66

13. Multiple prismatic calcium phosphate layers in the jaws of present-day sharks (Chondrichthyes; Selachii)

    • G. Dingerkus
    • B. Séret
    • E. Guilbert

    Research Articles Pages: 38 - 40

14. Protein structure and function

    Posters Pages: A67 - A75

15. Evidence for spontaneous neuro-melanophore activity inPseudopleuronectes americanus (teleostei; pleuronectiformes) during total darkness

    • D. Burton
    • J. Borgaonkar
    • B. A. Everard

    Research Articles Pages: 40 - 42

16. Course of fever response to repeated administration of sublethal doses of lipopolysaccharides, polyinosinic: Polycytidylic acid and muramyl dipeptide to rabbits

    • D. Soszynski
    • W. Kozak
    • M. Szewczenko

    Research Articles Pages: 43 - 47

17. Discharge pattern analysis suggests existence of a low-threshold calcium channel in cold receptors

    • K. Schäfer
    • H. A. Braun
    • L. Rempe

    Research Articles Pages: 47 - 50

18. 1-(Substituted)benzyl-5-aminoimidazole-4-carboxamides are potent orally active inhibitors ofTrypanosoma cruzi in mice

    • J. C. Chabala
    • V. B. Waits
    • M. H. Fisher

    Research Articles Pages: 51 - 53

19. Chromatosomes are not produced fromTetrahymena chromatin by micrococcal nuclease digestion

    • M. Suda

    Research Articles Pages: 54 - 56

20. A marine mollusc provides the first example of in vivo storage of prostaglandins: Prostaglandin-1,15-lactones

    • G. Cimino
    • A. Crispino
    • G. Villani

    Research Articles Pages: 56 - 60

21. Alarm pheromones from the Mediterranean opisthobranchHaminoea navicula

    • G. Cimino
    • A. Passeggio
    • G. Villani

    Research Articles Pages: 61 - 63

22. Kelletinin I and kelletinin A from the marine molluscBuccinulum corneum are inhibitors of eukaryotic DNA polymeraseα

    • P. Orlando
    • F. Carretta
    • G. Strazzullo

    Research Articles Pages: 64 - 66

23. Demonstration of fructose 1,6-bisphosphatase in human term placenta

    • T. Papamarcaki
    • O. Tsolas

    Research Articles Pages: 67 - 68

24. Influence of nocloprost on the vascular responses to various stimuli in the isolated perfused rabbit kidney

    • Z. S. Ercan
    • R. Türker

    Research Articles Pages: 69 - 70

25. Changes in transglutaminase activity in carbon tetrachloride-damaged rat liver

    • H. Kohno
    • K. Kashimura
    • Y. Ohkubo

    Research Articles Pages: 70 - 75

26. Colloidal gold as a permanent marker of cells

    • B. H. J. Juurlink
    • R. M. Devon

    Research Articles Pages: 75 - 77

27. The insect gut: A new source of ecdysiotropic peptides

    • D. B. Gelman
    • B. S. Thyagaraja
    • A. B. Borkovec

    Research Articles Pages: 77 - 80

28. Sexual differentiation of nymphal corpora allata and the effects of ovariectomy on adult gland morphometrics inBlattella germanica

    • A -S. Chiang
    • M. Gadot
    • C. Schal

    Research Articles Pages: 81 - 83

29. Cyclic and linear vasopressin V₁ and V₁/V₂ antagonists containing arginine in the 4-position

    • W. H. Sawyer
    • B. Lammek
    • M. Manning

    Research Articles Pages: 83 - 86

30. Adrenal corticosteroidogenesis after removal of ventral prostate gland

    • A. Chaudhuri
    • D. Ghosh
    • P. K. Ghosh

    Research Articles Pages: 86 - 88

31. Effect of actinomycin D onTrypanosoma cruzi

    • M. Queiroz da Cruz
    • H. M. Bräscher
    • A. Oliveira-Lima

    Research Articles Pages: 89 - 92

32. Class I and class II ribonuclease H activities inCrithidia fasciculata (protozoa)

    • H. Vonwirth
    • J. Köck
    • W. Büsen

    Research Articles Pages: 92 - 95

33. Mitogenic activity of selenoorganic compounds in human peripheral blood leukocytes

    • J. A. Czyrski
    • A. D. Inglot

    Research Articles Pages: 95 - 97

34. Relationship between lectin-affinity granules in anuran embryos and formation of primordial germ cells

    • T. Shirane

    Research Articles Pages: 97 - 100

35. Involvement of a sperm aminopeptidase in fertilization of the sea urchin

    • T. Yasuhara
    • H. Yokosawa
    • S. Ishii

    OriginalPaper Pages: 100 - 103

36. Gonyauline: A novel endogenous substance shortening the period of the circadian clock of a unicellular alga

    • T. Roenneberg
    • H. Nakamura
    • J. W. Hastings

    Research Articles Pages: 103 - 106

37. The postpharyngeal glands and the cuticle of Formicidae contain the same characteristic hydrocarbons

    • A. G. Bagnères
    • E. D. Morgan

    Research Articles Pages: 106 - 111

38. Can we predict the mating pattern ofDrosophila females from the sperm length distribution in males?

    • C. Bressac
    • D. Joly
    • D. Lachaise

    Research Articles Pages: 111 - 114