Section 2: Scientific Results

• Biotechnology on sounding rockets: development of techniques for space biotechnology. (U. Zimmermann, R. Schnettler, G. Klöck, B. Herrmann, P. Gessner & K. Hannig)

• Hybrid formation and metabolism of plant cell protoplasts in microgravity. (R. Hampp & E. Hoffmann)

• Fertilisation and development of Xenopus eggs on sounding rockets and in a clinostat. (G. A. Ubbels)

• Position of statoliths under changing gravity conditions. (D. Volkmann & M. Tewinkel)

• Sperm motility under weightlessness. (U. Engelmann, F. Krassnigg & W.-B. Schill)

• The mating process of Chlamydomonas in weightlessness (H. van den Ende, R. Demets, A. M. Tomson, M. L. van den Briel, A. J. A. Nederbragt & J. de Wit)

• Growth factor-induced signal transduction in mammalian cells is sensitive to gravity. (J. Boonstra, P. J. Rijken, A. J. Verkleij, P. T. van der Saag, A. F. L. van Puijenbroek & S. W. de Laat)

• Mitogen binding, cytoskeleton patterns and motility of T lymphocytes in microgravity. (M. Cogoli-Greuter, L. Sciola, P. Pippia, B. Bechler, G. Sechi, G. Lorenzi & A. Cogoli)

• Statoliths, cytoskeletal elements and cytoplasmic streaming of Chara rhizoids under reduced gravity during TEXUS flights. (B. Buchen, M. Braun & A. Sievers)

• Gravitaxis and phototaxis in the flagellate Euglena studied on TEXUS missions. (D.-P. Häder)

• Sea urchin eggs under microgravity conditions. (H.-J. Marthy)

• Swimming behaviour of the ciliate Paramecium in weightlessness. (R. Hemmersbach)

• Somatic cell fusion during sounding rocket flight. (J. F. Jongkind, P. Visser & A. Verkerk)

• Microgravity affects the ubiquitin pools and actin isoforms of mesophyll protoplasts. (H. Schnabl, C. Hunte, M. Schulz, D. Wolf, C. Ghiena-Rhalenbeck, M. Bramer, M. Graab, M. Janßen & H. Kalweit)