1 When I encountered tobacco BY-2 cell line T. Nagata Cell Cycle 2 Improvements of the molecular toolbox for cell cycle studies in tobacco BY-2 cells J. Joubes, D. Inz? and D. Geelen 3 Transcriptional regulation during the plant cell cycle: Involvement of Myb proteins in cyclin B transcription M. Ito 4 Control of the G1/S phase transition in tobacco BY-2 cells M. Sekine and A. Shinmyo 5 Expression, localization and stability of mitotic cyclins in tobacco BY-2 cells Y. Parmentier, M.C. Crique, T. Potuschak and P. Genschik Cell Biology and Cytoskeleton 6 Molecular mechanisms of microtubule nucleation in tobacco BY-2 cells A.-C. Schmit, J. Canaday, V. Seltzer, S. Campagne, E. Herzog, J.-L. Evradrd and A.-M. Lambert 7 Dynamic behavior of microtubules and vacuoles at M/G1 interface observed in living tobacco BY-2 cells F. Kumagai, A. Yoneda, N. Kutsuna and S. Hasezawa 8 Tobacco BY-2 cells as an ideal material for biochemical studies of plant cytoskeletal proteins S. Sonobe, E. Yokata and T. Shimmen 9 Cell plate formation in plant cells as visualized using the model plant cells of tobacco BY-2 T. Asada and Y. Yasuhara Physiological and Developmental Aspects 10 Hormonal control of plant cell cycle L. Roef and H. Van Onckelen 11 Block points in the cell cycle progression of plant cells: deduced lessons from tobacco BY-2 cells T. Sano, T. Shimizu, K. Sakamoto and T. Nagata 12 Growth and physiology of suspension-cultured plant cells: the contribution of tobacco BY-2 cells to the study of auxin action J.-P. Renaudin 13 Dual pathways for auxin regulation of cell division and expansion A. Jones, H. Ullah and J. Chen 14 Studies on dynamic changes of organelles using tobacco BY-2 as the model plant cell line A. Sakai, Y.Miyazawa and T. Kuroiwa 15 Cell wall dynamics in tobacco BY-2 cells R. Yokoyama, D. Tanaka, T. Fujino, T. Itoh and K. Nishitani 16 Regulation of secondary metabolism in tobacco cell cultures S. Salonvaara and K.-M. Oksman 17 Boron nutrition of cultured tobacco BYl“S