Identification of active denitrifiers in full‐scale nutrient removal wastewater treatment systems

Summary Denitrification is essential to the removal of nitrogen from wastewater during treatment, yet an understanding of the diversity of the active denitrifying bacteria responsible in full‐scale wastewater treatment plants ( WWTPs ) is lacking. In this study, stable‐isotope probing ( SIP ) was applied in combination with microautoradiography ( MAR )‐fluorescence in situ hybridization ( FISH ) to identify previously unrecognized active...