Fig. 5

As(V) and As(III) dependent bioreporter response. a β-gal activity expressed in % MU of TTC0354::pK18-pMHTtarsXpbgaA-nqoTtSmtB treated or not with 10, 20, 30, 50, 100, 200 and 300 µM of As(V). b β-gal activity expressed in % MU. of T. thermophilus TTC0354::pK18-pMHTtarsXpbgaA-nqoTtSmtB treated or not with 10, 20, 30, 50, 100, 200 and 300 µM of As(III). Statistical analysis was performed using a Student’s t test; significant differences are indicated as: *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001