Cross-bridge behaviour in skinned smooth muscle of the guinea-pig taenia coli at altered ionic strength.

@article{Arheden1988CrossbridgeBI,
  title={Cross-bridge behaviour in skinned smooth muscle of the guinea-pig taenia coli at altered ionic strength.},
  author={H{\aa}kan Arheden and Anders Arner and Per Hellstrand},
  journal={The Journal of physiology},
  year={1988},
  volume={403},
  pages={539-58}
}
1. The effects of varied levels (25-300 mM) of ionic strength on mechanical properties and ATP hydrolysis rate of chemically skinned guinea-pig taenia coli fibres were investigated. 2. The tension development following activation by calcium (pCa 4.8), and relaxation following removal of calcium (pCa 9), were slower in 25 mM compared to 150 mM ionic strength. In fibres activated by thiophosphorylation of myosin light chains, by exposure to ATP-gamma-S, the tension development was rapid and… CONTINUE READING

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