Article Type: Full Length Research Article Pseudomonas putida HK-44, a bioluminescent reporter strain with a nah-lux fusion, can be used to assess the presence of polynuclear aromatic hydrocarbons by stimulating the light production upon inducing the naphthalene dioxygenase system. However, this assay can be affected by the presence of oxygen. The aim of this work was to evaluate the effect of ...