Dr. W. Schmidt
Fachbereich Biologie
Postfach 2503                       email: wschmidt@uni-oldenburg.de
26111 Oldenburg                    Fax: +49-441-7983331

Schmidt W, Janiesch P. 1991a. Specificity of the electron donor for transmembrane redox systems in bean (Phaseolus vulgaris L.) roots. Journal of Plant Physiology138: 450-453

Schmidt W, Janiesch P. 1991b. Ferric reduction by Geum urbanum: a kinetic study. Journal of Plant Nutrition 14: 1023-1034.

Schmidt W. 1993. Iron stress-induced redox reactions in bean roots. Physiologia Plantarum89: 448-452

Schmidt W. 1994a. Reduction of extracytoplasmatic acceptors by roots of Plantago lanceolata L. Evidence for enzyme heterogeneity. Plant Science 100: 139-146

Schmidt W. 1994b. Root-mediated ferric reduction - responses to iron deficiency, exogenously induced changes in hormonal balance and inhibition of protein synthesis. Journal of Experimental Botany 45: 725-731

Schmidt W. 1995. Effects of various inhibitors on in vivo reduction by Plantago lanceolata L. roots. In: Abadia J, ed. Iron Nutrition in Soils and Plants. Dordrecht: Kluwer Academic Publishers, 77-82
Also published in: Plant and Soil 165: 207-212

Schmidt W. 1996. Influence of chromium(III) on root-associated Fe(III) reductase in Plantago lanceolata L. Journal of Experimental Botany 47: 805-810

Babolikova NK, Schmidt W. 1996. Cupric chelate reduction by intact plant roots as an expression of constitutive and inducible redox systems. Comptes Rendus de l’ Académie Bulgare des Sciences 49: 87-90

Schmidt W, Bartels M. 1996. Formation of root epidermal transfer cells in Plantago. Plant Physiology 110: 217-225

Schmidt W, Boomgaarden B, Ahrens V. 1996. Reduction of root iron in Plantago lanceolata during recovery from Fe deficiency. Physiologia Plantarum 98: 587-593

Schmidt W, Schuck C. 1996. Pyridine nucleotide pool size changes in iron-deficient Plantago lanceolata roots during reduction of external oxidants. Physiologia Plantarum98: 215-221

Schmidt W, Bartels M, Tittel J, Fühner C. 1997. Physiological effects of copper on iron acquisition processes in Plantago. New Phytologist 135: 659-666

Schmidt W, Fühner C. 1998. Sensitivity to and requirement for iron in Plantago species. New Phytologist 138: 639-651

Schmidt W, Bartels M. 1998. Orientation of NADH-linked ferric chelate (Turbo) reductase in plasma membranes from Plantago roots. Protoplasma203: 186-193

Schmidt W, Schikora A, Bartels M. 2000. Hormones induce a Fe-deficiency-like root epidermal cell pattern in the Fe-inefficient tomato mutant fer. Protoplasma213: 67-73 

Schmidt W, Tittel J, Schikora A. 2000. Role of hormones in the induction of Fe deficiency responses in Arabidopsis roots. Plant Physiology 122: 1109-1118

Schmidt W, Steinbach S. 2000. Iron sensing ? a whole plant approach. Annals of Botany86: 589-593 

Schikora A, Schmidt W. 2001. Iron stress-induced epidermal cell fate is regulated independently from physiological acclimations to low iron availability. Plant Physiology125: 1679-1687

Schmidt W, Schikora A. 2001. Different pathways are involved in phosphate and iron stress-induced alterations of root epidermal cell development. Plant Physiology125: 2078-2084

Pich A, Manteuffel R, Hillmer S, Scholz G, Schmidt W. 2001. Fe homeostasis in plant cells: Does nicotianamine play multiple roles in the regulation of cytoplasmic Fe concentration? Planta 213: 967-976

Schikora A, Schmidt W. 2001. Acclimative changes in root epidermal cell fate in response to Fe and P deficiency. A specific role for auxin? Protoplasma 218: 67-75

Schmidt W, Schikora A. 2001. Control of Root Epidermal Patterning: Effects of Fe- and P-deficiency. In: Plant Nutrition. Horst WK, Schenk MK, Bürkert A, Claasen N, Flessa H, Frommer WB, Goldbach H, Olfs HW, Römheld V, Sattelmacher B, Schmidthalter U, Schubert S, v. Wirén N, Wittenmeyer L, Eds, Kluwer Academic Publishers, Dordrecht, 538-539

Schikora A, Schmidt W. 2002. Modulation of the root epidermal phenotype by hormones, inhibitors and iron-regime. Plant and Soil, in press

Gut A, Scheibe M, Rottenberger S, Rummel U, Ammann C, Kuhn U, Meixner FX, Kesselmeier J, Lehmann BE, Schmidt W, Müller E, Piedade MTF. 2002. Exchange fluxes of NO, NO2, and O3 at soil and leaf surfaces in an Amazonian rain forest. Journal of Geophysical Research, in press

Schikora A, Schmidt W. 2002. Formation of transfer cells and H+-ATPase expression in tomato roots under P and Fe deficiency. Planta, in press

De Simone O, Haase K, Müller E, Junk WJ, Gonsior G, Schmidt W. 2002. Impact of Root Morphology on Metabolism and Oxygen Distribution in Roots and Rhizosphere from two Central Amazon Floodplain Tree Species. Functional Plant Biology, in press

De Simone O, Müller E, Junk WJ, Schmidt W. 2002. Adaptations of Central Amazon tree species to prolonged flooding: root morphology and leaf-longevity. Plant Biology, (submitted)

Müller M, Schmidt W. 2002. Environmentally induced plasticity of root hair development in Arabidopsis. (submitted)

Schmidt W, MichalkeW, Schikora A. 2002. Proton pumping by tomato roots. Effect of Fe deficiency and hormones on the activity and distribution of plasma membrane H+-ATPase in rhizodermal cells. (submitted)

Schmidt W. 1999. Mechanisms and regulation of reduction-based iron uptake in plants. New Phytologist141: 1-26

Schmidt W. 2001. From faith to fate. Ethylene signaling in morphogenic responses to P and Fe deficiency. Journal of Soil Science and Plant Nutrition 164: 147-154