Fig. 7From: Study on the mechanism of efficient extracellular expression of toxic streptomyces phospholipase D in Brevibacillus choshinensis under Mg2+ stressCurves of four ions under different conditions. a Intracellular [Na+]. b Intracellular [K+]. c Intracellular [Mg2+]. d Intracellular [Ca2+]Back to article page