Constitutive arsenite oxidase expression detected in ...
P. xanthomarina S11 was isolated from arsenic-contaminated soil at the mining site of Salsigne in France and grown on chemically defined medium (CDM) or in LB-Miller medium under aerobic conditions at 25 °C and 150 rpm. As[III] was added when needed from a 133.5 mM stock solution with a pH value adjusted to 7 with hydrochloric acid.