Search Results - "Bumann, Johann"

Attractant-Induced Changes and Oscillations of the Extracellular Ca++ Concentration in Suspensions of Differentiating Dictyostelium Cells by Bumann, Johann, Wurster, Bernd, Malchow, Dieter

“…We used a Ca++-sensitive electrode to measure changes in extracellular Ca++ concentration in cell suspensions of Dictyostelium discoideum during…”
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Oscillations of Ca++ concentration during the cell differentiation of Dictyostelium discoideum: their relation to oscillations in cyclic AMP and other components by Bumann, J, Malchow, D, Wurster, B

“…Periodic cyclic-AMP pulses control the cell aggregation and differentiation of Dictyostelium discoideum. Another component required for the aggregation and…”
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Mutant analysis suggests that cyclic GMP mediates the cyclic AMP-induced Ca2+ uptake in Dictyostelium by Menz, S, Bumann, J, Jaworski, E, Malchow, D

“…Previous work has shown that streamer F (stmF) mutants of Dictyostelium discoideum exhibit prolonged chemotactic elongation in aggregation fields. The mutants…”
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Cell differentiation in the absence of intracellular cyclic AMP pulses in Dictyostelium discoideum by Wurster, Bernd, Bumann, Johann

“…Repeated additions of cyclic AMP to a morphogenetic mutant of Dictyostelium discoideum, agip 53, induced cell differentiation to the aggregation competent…”
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