枯草芽孢杆菌63501(Bacillus subtilis 63501)培养液在连续培养时分别通入不同强度的直流电场,研究了它们在持续直流电刺激下的生长曲线、pH曲线、ATP酶活性、胞内总蛋白含量、细胞膜通透性以及细菌微观形态变化.结果表明,适宜的直流电能促进枯草芽孢杆菌增殖；枯草芽孢杆菌的ATP酶活性在0.0455 ×10-3 A/cm2电流密度作用下,在对数生长前期、后期和稳定期分别比对照组同期提升1.9、3.5和3.8倍,表明适宜强度的电流增强了细菌细胞的代谢活性.细菌通透性也有不同程度的提高,与透射电子显微镜观察到的细菌细胞通电后的形态变化具有一致性.
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