1. Induction of nitrate reductase, nitrite reductase, and glutamine synthetase isoforms in sunflower cotyledons as affected by nitrate, light, and plastid integrity

   • P. Cabello
   • P. de la Haba
   • J. M. Maldonado

   OriginalPaper Pages: 1 - 7

2. Polarized microtubule deposition coincides with wall ingrowth formation in transfer cells ofVicia faba L. cotyledons

   • Matthew W. Bulbert
   • Christina E. Offler
   • David W. McCurdy

   OriginalPaper Pages: 8 - 16

3. Proliferating sieve elements present in bud phloem anastomoses connect sieve tubes of axillary bud traces to stelar vascular bundles in the aquatic monocotyledonPotamogeton natans L. (Potamogetonaceae)

   • H. -Dietmar Behnke

   OriginalPaper Pages: 17 - 29

4. Callose deposition at plasmodesmata

   • J. E. Radford
   • M. Vesk
   • R. L. Overall

   OriginalPaper Pages: 30 - 37

5. Epixenosomes, peculiar epibionts of the ciliated protozoonEuplotidium itoi: what kind of organisms are they?

   • G. Rosati
   • F. Verni
   • C. Bandi

   OriginalPaper Pages: 38 - 44

6. Discovery of signaling effect of UV-B/C light in the extended UV-A/blue-type action spectra for step-down and step-up photophobic responses in the unicellular flagellate algaEuglena gracilis

   • S. Matsunaga
   • T. Hori
   • M. Sugai

   OriginalPaper Pages: 45 - 52

7. Fluorescence microscopy of DNA-protein structures from osmotically lysed mitochondria of yeast and tobacco

   • Delene J. Oldenburg
   • Arnold J. Bendich

   OriginalPaper Pages: 53 - 63

8. Novel filamentous bundles in the cytoplasm of a unicellular eukaryote,Crithidia fasciculata

   • A. M. Page
   • J. R. Lagnado

   OriginalPaper Pages: 64 - 70

9. Subcellular localization of glycoprotein epitopes during the development of lupin root nodules

   • C. A. de Lorenzo
   • M. M. Fernández-Pascual
   • M. R. de Felipe

   OriginalPaper Pages: 71 - 84

10. Aluminum and low pH effects on translatable RNA population from bean calli

    • F. J. Espino
    • M. T. González-Jaen
    • A. M. Vázquez

    OriginalPaper Pages: 85 - 91

11. Mechanotransduction molecules in the plant gravisensory response: Amyloplast/statolith membranes contain a β₁ integrin-like protein

    • Timothy M. Lynch
    • Philip M. Lintilhac
    • David Domozych

    OriginalPaper Pages: 92 - 100

12. Unusual pattern of mitosis in the free-living flagellateDimastigella mimosa (Kinetoplastida)

    • A. O. Frolov
    • S. O. Skarlato

    OriginalPaper Pages: 101 - 109

13. Position of water in vitrified plants visualised by NMR imaging

    • K. Gribble
    • J. Tingle
    • P. Holford

    OriginalPaper Pages: 110 - 114

14. Visualization of the microbody division inCyanidioschyzon merolae with the fluorochrome brilliant sulfoflavin

    • M. Miyagishima
    • R. Itoh
    • T. Kuroiwa

    Rapid Communication Pages: 115 - 119