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Reactivation of cell-free models of endoplasmic drops from Physarum polycephalum after glycerol extraction at low ionic strength

Achenbach, F.; Wohlfarth-Bottermann, K.E.

European Journal of Cell Biology 40(2): 135-138

1986

ISSN/ISBN: 0171-9335
PMID: 3709543
Document Number: 273763
The effect of calcium ions on the reactivation of cytoplasmic actomyosin contraction in cell-free models of endoplasmic drops from Physarum polycephalum after glycerol extraction at low ionic strength depends on the duration of the extraction procedure: Ca++ prevents contraction in 20-h extracted specimens, whereas after several days of extraction this Ca++-sensitivity is lost. These results indicate an inhibitory effect of Ca++ on cytoplasmic actomyosin contraction.

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Pies, N.J.; Wohlfarth-Bottermann, K.E. 1986: Reactivation of a cell-free model from Physarum polycephalum: studies on cryosections indicate an inhibitory effect of Ca++ on cytoplasmic actomyosin contraction European Journal of Cell Biology 40(2): 139-149
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