Figure 3.

Time course of changes in arylsulfatase activity in transformants harboring the chimeric constructs. Cells grown under high-CO₂ conditions were transferred to low-CO₂ conditions or maintained under high-CO₂ conditions. The arylsulfatase activity was measured by 3-h enzyme reactions as described in “Materials and Methods.” □, CAO2–1, low-CO₂; ▵, CAO3–1, low-CO₂; ●, 5D, high-CO₂; ○, 5D, low-CO₂.