Cellular Functions of Paramecium under Different Conditions.
Hemmersbach-Krause, R. and Briegleb, W. and Häder, D.-P. (1) (1990) Cellular Functions of Paramecium under Different Conditions. In: Fourth European Symposium on Life Science in Space, ESA SP-307. Fourth European Symposium om Life Science in Space, 28 May-1 June 1990, Triest, Italy.
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Computer analysis of the negative gravitactic behavior of Paramecium observed in a horizontal microscope provided the following results: There exists a strong correlation between oxygen concentration within the medium and the degree of gravitaxis, and swimming velocity. Treatment of Paramecium with the metabolic uncoupler CCCP had no influence on the negative gravitaxis. In another set of experiments proliferation of differents strains of Paramecium was investigated on the clinostat. All tested strains showed larger fluctuations between cell numbers if two daughter cells were cultivated under 1 g and simulated 0 g than if both cells werte cultivated under 1 g. Statistical analysis of these differences revealed a significantly higher proliferation of homozygous Paramecium tetraurelia 7s under simulated 0 g.
|Document Type:||Conference or Workshop Item (Paper)|
|Additional Information:||LIDO-Berichtsjahr=1990, pages=6,|
|Title:||Cellular Functions of Paramecium under Different Conditions.|
|Journal or Publication Title:||Fourth European Symposium on Life Science in Space, ESA SP-307|
|Series Name:||ESA SP-307|
|Keywords:||Paramecium, Gravitaxis, Geotaxis, Graviperception, Proliferation|
|Event Title:||Fourth European Symposium om Life Science in Space, 28 May-1 June 1990, Triest, Italy|
|HGF - Research field:||UNSPECIFIED|
|HGF - Program:||no assignment|
|HGF - Program Themes:||no assignment|
|DLR - Research area:||UNSPECIFIED|
|DLR - Program:||no assignment|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institute of Aerospace Medicine|
|Deposited By:||elib DLR-Beauftragter|
|Deposited On:||02 Apr 2006|
|Last Modified:||27 Apr 2009 06:16|
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