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New research links water source type to antibiotic resistance (opens in a new tab)

news-medical.net · 2026-10-12

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The source study

Key role of water source type in the risk of antibiotics, resistance genes, and resistance phenotypes in drinking water source at the basin scale

Biocontaminant · 2026
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Claim 1 of 6Not checkedA 2026 study in Biocontaminant found that water source type and mobile genetic elements were key factors associated with resistance-gene abundance in drinking-water source waters in the Poyang Lake basin.View evidenceHide evidence

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Claim 2 of 6Not checkedResearchers sampled eight river sources and five reservoir-type sources, including Poyang Lake, in December 2024 and June 2025, screened 46 antibiotics, quantified eight resistance genes plus an integrase gene, and tested antibiotic susceptibility in 178 bacterial isolates.View evidenceHide evidence

As statedeight river sources, five reservoir-type sources, 46 antibiotics, eight resistance genes, 178 isolates

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Claim 3 of 6Not checkedThirteen antibiotics were detected, with florfenicol and sulfamethoxazole reaching maximum concentrations of 72.85 and 30.51 ng/L, respectively, and source analysis pointed to livestock farming, domestic sewage, and aquaculture as likely contributors.View evidenceHide evidence

As stated13 antibiotics; 72.85 ng/L; 30.51 ng/L

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Claim 4 of 6Not checkedResistance genes were more abundant in summer, river sources generally showed higher gene-related risk scores, and the path model suggested that seasonal effects operated mainly indirectly through mobile genetic elements.View evidenceHide evidence

As stated6,300 to 16 million copies per liter

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Claim 5 of 6Not checkedAmong cultured isolates, resistance was most frequent to lincomycin and penicillin, but the overall multiple-antibiotic resistance index remained low and did not differ significantly between river and reservoir groups.View evidenceHide evidence

As stated75.84% lincomycin resistance; 53.95% penicillin resistance

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The source study was found, but this claim couldn't be checked against it.

Claim 6 of 6Not checkedThe article says the findings support differentiated monitoring focused on river sources, the Gan River sub-basin, and Poyang Lake, and it cautions that the study concerns source water rather than treated drinking-water exposure or infection.View evidenceHide evidence

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Key role of water source type in the risk of antibiotics, resistance genes, and resistance phenotypes in drinking water source at the basin scale

Biocontaminant · 2026

Source record (opens in a new tab)

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Papers considered

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Crossref, PubMed, Europe PMC · 16 candidate papers

Selected

Key role of water source type in the risk of antibiotics, resistance genes, and resistance phenotypes in drinking water source at the basin scale

Biocontaminant · 2026 · Crossref

Source (opens in a new tab)
Candidate

Review for "Prevalence of antibiotic resistance genes in the oral cavity and mobile genetic elements that disseminate antimicrobial resistance: A systematic review"

2022 · Crossref

Source (opens in a new tab)

And 10 more candidates considered.