Fig. 12From: Study on the intracellular adaptative mechanism of Acidithiobacillus caldus MTH-04 to NaCl stressa OD600, b final SO42− content and c final pH of the culture broth of strains AC00, ACG1, ACG2 and ACG3. P values were determined by t tests. *P < 0.05, ***P < 0.001Back to article page