魚筋肉アクチンの脱重合におよぼす加圧処理効果〔英文〕

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The effects of pressure treatment (1, 000 atm-5, 000 atm) on depolymerization of F-actin from flying fish, sardine, and walleye pollack muscles were examined in connection with the repolymerizing ability after the release of pressure. It was shown that the relative viscosity of F-actins decreased rapidly over 2, 000 atm and the inactivation of actomyosin Mg-ATPases from native myosin plus pressure-treated F-actin occurred. However, there was no appreciable difference in ΔV value of F-actin by pressure treatment among fish species. Ultracentrifugal patterns of pressure-treated F-actin showed the transformation into G-actin. Repolymerization of their pressure-treated actins could be observed at 15°C Cor 25°C. The addition of 0.5mM ATP gave a rapid repolymeri-zation of actins.
日本水産學會の論文