First Insight into the Natural Attenuation of Emerging Contaminants Using a Metagenomics Approach from Drinking Water...

Area of Science:

• Environmental microbiology
• Bioremediation of emerging contaminants

Background:

• Emerging contaminants pose risks to aquatic ecosystems.
• Efficient removal strategies are crucial for environmental protection.
• Biodegradation by microorganisms offers a promising solution.

Purpose of the Study:

• To identify and quantify genes involved in microbial biodegradation pathways.
• To investigate the role of metabolism and co-metabolism in contaminant removal.
• To assess the potential of indigenous bacteria for bioremediation.

Main Methods:

• Metagenomic analysis to identify bacterial species and functional genes.
• Quantification of genes associated with metabolic and co-metabolic pathways.
• Focus on bacterial genera known for pollutant degradation.

Main Results:

• Identified bacterial genera: Pseudomonas, Nitrosomonas, Nitrosospira, and Methylotenera.
• Successfully identified genes linked to metabolism and co-metabolism in indigenous bacteria (MAGs).
• Confirmed the presence of key enzymatic pathways for contaminant degradation.

Conclusions:

• Indigenous bacteria possess natural potential for emerging contaminant mitigation.
• Metabolism and co-metabolism pathways are key to biodegradation.
• Findings support the development of bioremediation strategies using native microbial communities.