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Cyanobacteria in drinking water sources host antibiotic resistance genes

"Investigation of cyanobacteria-hosted antibiotic resistance genes in cyanoHAB-impacted drinking water sources." — Environmental science and pollution research international, 2026

March 30, 2026by AI Curated

Cyanobacteria in drinking water sources host antibiotic resistance genes

What they found

Researchers found that cyanobacteria in drinking water sources host genes conferring putative antibiotic resistance, including efflux pumps qac/EmrE, vatB, van genes, and an OXA homolog. A small subset of cyanobacteria showed OXA-like homology with OXA-2 and OXA-46.

What they studied

This study investigated whether cyanobacteria host clinically relevant antibiotic resistance genes (ARGs) within the broader microbiome context in drinking water sources. Samples were collected during bloom season from Lake Erie and Grand Lake St. Marys.

Takeaways

The abstract focuses on the study's findings regarding cyanobacteria and antibiotic resistance genes; it does not provide personal how-to steps.

About this paper

This investigation used shotgun metagenomic sequencing of drinking water source samples to examine cyanobacteria-hosted antibiotic resistance genes. Samples were collected during the bloom season from Lake Erie and Grand Lake St. Marys. While some hits suggest potential resistance to clinical antibiotics, overall cyanobacteria were not found to.

cyanobacteriaantibiotic resistancedrinking waterharmful algal bloomsmetagenomicscurated

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