Ca2+ reversibly inhibits active rotation of chloroplasts in isolated cytoplasmic droplets ofChara T. HayamaM. Tazawa Original Papers Pages: 1 - 9
Effects of nitrogen deficiency and light of high intensity onCryptomonas rufescens (Cryptophyceae) Christiane Lichtlé Original Papers Pages: 11 - 19
Cytochemical characterization of spindle pole bodies (SPBs) of isolated nuclei from the yeastKluyveromyces fragilis by digestion with nucleases R. May Original Papers Pages: 21 - 29
Some effects of colchicine on microtubules and cell division in roots ofAzolla pinnata A. R. HardhamB. E. S. Gunning Original Papers Pages: 31 - 51
ATP und Ca2+ induzierte actomyosinartige Kontraktion glycerinisierter Makronuklei M. Hauser Abhandlungen Pages: 53 - 62
Effects of cytochalasins onNeurospora crassa E. D. AllenR. AiutoA. S. Sussman Original Papers Pages: 63 - 75
Fine structure of degenerating nuclei in intergeneric fusion products fromZygnemataceae protoplasts Tateshige Ohiwa Original Papers Pages: 77 - 95
Investigations on the arrangement and fine structure ofPorphyridium cruentum phycobilisomes G. WannerH. -P. Köst Original Papers Pages: 97 - 109
Stimulation of pollen tube growthin vitro by dicarboxylic acids Y. Iwanami Original Papers Pages: 111 - 115
Open spindle nuclear division in the amoebal phase of the acellular slime moldEchinostelium minutum with chromosomal movement related to the pronounced rearrangement of spindle microtubules A. A. HincheeE. F. Haskins Original Papers Pages: 117 - 130
The ultrastructural development of plastids in leaves of maize plants exposed to continuous illumination Nicoletta RascioP. Mariani ColomboM. Orsenigo Original Papers Pages: 131 - 139
Protoplasmic streaming in the giant unicellular green algaAcetabularia mediterranea H. -U. KoopO. Kiermayer Original Papers Pages: 147 - 166
Chromosomal variations in the callus tissues ofAllium tuberosum andA. cepa Satyesh Chandra Roy Brief Report Pages: 171 - 176
Intercellular strands associated with stomata: Stomatal pectic strands D. J. CarrS. G. M. CarrR. Jahnke Brief Report Pages: 177 - 182
Rifamycin induced nucleolar disfunction as revealed by silver staining Ipe MathewJ. StephenC. A. Ninan Brief Report Pages: 183 - 187