Metagenome-assembled genomes reveal metabolic interactions for nitrogen removal in wastewater treatment, indicating a new approach.
Twenty-five high-quality metagenome-assembled genomes (MAGs) were recovered from photogranules to treat synthetic wastewater. They were dominated by Leptolyngbya boryana . Cyanobacterial MAGs encoded photosynthesis and nitrogen fixation pathways, supporting internal oxygen and nitrogen cycling. Most heterotrophic MAGs contributed to nitrogen removal, highlighting the metabolic complementarity within photogranules studied for wastewater treatment.
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Della-Negra et al. (2026) studied this question.
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