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Oscillating contractions in protoplasmic strands of Physarum: effects of externally applied ouabain, sodium-, potassium- and calcium-ions.

作者信息

Achenbach F, Achenbach U

出版信息

Cell Biol Int Rep. 1979 Mar;3(2):141-9. doi: 10.1016/0309-1651(79)90119-x.

DOI:10.1016/0309-1651(79)90119-x
PMID:222490
Abstract
  1. Concentrations of 0.1-10 mM Ouabain do not affect oscillating contractions, when applied externally in physiological solutions. 2. Ouabain has no effect, when applied in solutions of increased sodium- (100 mM) and lowered potassium-concentration (0.1 or zero mM). 3. De novo generation of oscillating contractions in protoplasmic drops is not suppressed in Ouabain-solutions. 4. Biochemical studies of Na-K-ATPase did not show any Ouabain sensitive ATPase-activity. 5. Reaction of veins on high concentrations (300 mosm) is discussed as to be a physical effect. 6. It is concluded that no Na-K-ATPase is engaged in triggering oscillating contraction automaticity.
摘要

相似文献

1
Oscillating contractions in protoplasmic strands of Physarum: effects of externally applied ouabain, sodium-, potassium- and calcium-ions.
Cell Biol Int Rep. 1979 Mar;3(2):141-9. doi: 10.1016/0309-1651(79)90119-x.
2
Oscillating contractions in protoplasmic strands of Physarum: infared reflexion as a non-invasive registration technique.
Cell Biol Int Rep. 1978 May;2(3):271-8. doi: 10.1016/0309-1651(78)90007-3.
3
An ouabain-insensitive Na-ATPase of the arterial vascular muscle cell and its relation to ouabain-sensitive Na,K-ATPase.
Acta Biol Med Ger. 1979;38(10):1387-97.
4
Effects of caffeine and D2O on persistence and de novo generation of intrinsic oscillatory contraction automaticity in Physarum.咖啡因和重水对黏菌内在振荡收缩自动性的持续性和从头产生的影响。
Cell Tissue Res. 1979 Apr 12;197(3):479-99. doi: 10.1007/BF00233572.
5
Oscillating contractions in protoplasmic strands of Physarum: effects of external Ca++-depletion and Ca++-antagonistic drugs on intrinsic contraction automaticity.
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Comparison of some minor activities accompanying a preparation of sodium-plus-potassium ion-stimulated adenosine triphosphatase from pig brain.猪脑钠钾离子刺激的三磷酸腺苷酶制备过程中一些次要活动的比较。
Biochem J. 1968 Jan;106(1):113-21. doi: 10.1042/bj1060113.
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Cytoplasmic droplets produced by the effect of adenine on Physarum plasmodia. Comparison with caffeine droplets and effect of calcium.腺嘌呤对多头绒泡菌原质团作用产生的细胞质液滴。与咖啡因液滴的比较及钙的影响。
Exp Cell Res. 1980 Jul;128(1):121-6. doi: 10.1016/0014-4827(80)90394-8.
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Effects of growth in low potassium medium or ouabain on membrane Na,K-ATPase, cation transport, and contractility in cultured chick heart cells.低钾培养基中生长或哇巴因对培养鸡心脏细胞中膜钠钾ATP酶、阳离子转运和收缩性的影响。
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Effects of ouabain on contractions induced by manganese ions in C2+a-free, isotonic solutions with varying concentrations of K+ in guinea-pig taenia coli.哇巴因对豚鼠结肠带无钙、等渗且含不同浓度钾离子的溶液中锰离子诱导的收缩的影响。
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The stoicheiometry of the sodium pump.钠泵的化学计量学。
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引用本文的文献

1
Synchronization and signal transmission in protoplasmic strands of Physarum : Effects of externally applied substances and mechanical influences.原生质丝中的同步和信号传递：外源性物质和机械影响的作用。
Planta. 1981 May;151(6):574-83. doi: 10.1007/BF00387437.
2
Effects of caffeine and D2O on persistence and de novo generation of intrinsic oscillatory contraction automaticity in Physarum.咖啡因和重水对黏菌内在振荡收缩自动性的持续性和从头产生的影响。
Cell Tissue Res. 1979 Apr 12;197(3):479-99. doi: 10.1007/BF00233572.