Soluble acid invertase determines the hexose-to-sucrose ratio in cold-stored potato tubers (1996) Sonnewald U Journal article Transient marker-gene expression during zygotic in-vitro embryogenesis of Brassica juncea (Indian mustard) following particle bombardment (1996) Kost B, Leduc N, Sautter C, Potrykus I, Neuhaus G Journal article Calcium modulates rapid protein phosphorylation/dephosphorylation in isolated eyespot apparatuses of the green alga Spermatozopsis similis (1995) Linden L, Kreimer G Journal article TRANSGENIC TOBACCO PLANTS WITH STRONGLY DECREASED EXPRESSION OF PYROPHOSPHATE - FRUCTOSE-6-PHOSPHATE 1-PHOSPHOTRANSFERASE DO NOT DIFFER SIGNIFICANTLY FROM WILD-TYPE IN PHOTOSYNTHATE PARTITIONING, PLANT-GROWTH OR THEIR ABILITY TO COPE WITH LIMITING PHOSPHATE, LIMITING NITROGEN AND SUBOPTIMAL TEMPERATURES (1995) Sonnewald U Journal article ACCUMULATION OF HEXOSES IN LEAF VACUOLES - STUDIES WITH TRANSGENIC TOBACCO PLANTS EXPRESSING YEAST-DERIVED INVERTASE IN THE CYTOSOL, VACUOLE OR APOPLASM (1994) Sonnewald U Journal article Carotenoids in the eyespot apparatus of the flagellate green alga Spermatozopsis similis: Adaptation to the retinal-based photoreceptor (1994) Grung M, Kreimer G, Calenberg M, Melkonian M, Liaaen-Jensen S Journal article LIGHT-STIMULATED PROTON TRANSPORT INTO THE VACUOLES OF LEAF MESOPHYLL-CELLS DOES NOT REQUIRE ENERGIZATION BY THE TONOPLAST PYROPHOSPHATASE (1994) Sonnewald U Journal article TRANSGENIC POTATO PLANTS WITH STRONGLY DECREASED EXPRESSION OF PYROPHOSPHATE-FRUCTOSE-6-PHOSPHATE PHOSPHOTRANSFERASE SHOW NO VISIBLE PHENOTYPE AND ONLY MINOR CHANGES IN METABOLIC FLUXES IN THEIR TUBERS (1994) Sonnewald U Journal article ANALYSIS OF THE EXPRESSION OF POTATO URIDINEDIPHOSPHATE-GLUCOSE PYROPHOSPHORYLASE AND ITS INHIBITION BY ANTISENSE RNA (1993) Sonnewald U Journal article CHARACTERIZATION OF A GENE THAT IS EXPRESSED IN LEAVES AT HIGHER LEVELS UPON TUBERIZATION IN POTATO AND UPON FLOWERING IN TOBACCO (1993) Sonnewald U Journal article