Fig. 3From: Study on the mechanism of efficient extracellular expression of toxic streptomyces phospholipase D in Brevibacillus choshinensis under Mg2+ stressEffect of P5 and P2 promoter on the expression of PLD. B. choshinensis/pNY326-PLD (filled bar), pNCMO2-PLD (open bar)Back to article page