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Draft Genome Sequences of Three Shewanella sp. Strains Isolated from Urban Freshwaters in the Ohio River Valley, USA.

ABSTRACT: Draft genome sequences of three Shewanella sp. strains are reported. The strains NKUCC01_JLK, NKUCC05_KAH, and NKUCC06_TVS were isolated from freshwater sources in the Ohio River Valley, USA. These genome sequences provide insights into Shewanella adaptation to urban freshwaters and may help to elucidate their roles in biogeochemical cycling.

SUBMITTER: Kappesser JL

PROVIDER: S-EPMC8444977 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature

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Draft Genome Sequences of Three Shewanella sp. Strains Isolated from Urban Freshwaters in the Ohio River Valley, USA.

Kappesser Joy L JL Cooper Joshua T JT

Microbiology resource announcements 20210916 37

Draft genome sequences of three Shewanella sp. strains are reported. The strains NKUCC01_JLK, NKUCC05_KAH, and NKUCC06_TVS were isolated from freshwater sources in the Ohio River Valley, USA. These genome sequences provide insights into Shewanella adaptation to urban freshwaters and may help to elucidate their roles in biogeochemical cycling. ...[more]

PMID: 34528821

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Project description:BackgroundIndustrial discharges of perfluorooctanoic acid (PFOA) to the Ohio River, contaminating water systems near Parkersburg, WV, were previously associated with nearby residents' serum PFOA concentrations above US general population medians. Ohio River PFOA concentrations downstream are elevated, suggesting Mid-Ohio River Valley residents are exposed through drinking water.ObjectivesQuantify PFOA and 10 other per- and polyfluoroalkyl substances (PFAS) in Mid-Ohio River Valley resident sera collected between 1991 and 2013 and determine whether the Ohio River and Ohio River Aquifer are exposure sources.MethodsWe measured eleven PFAS in 1608 sera from 931 participants. Serum PFOA concentration and water source associations were assessed using linear mixed-effects models. We estimated between-sample serum PFOA using one-compartment pharmacokinetics for participants with multiple samples.ResultsIn serum samples collected as early as 1991, PFOA (median = 7.6 ng/mL) was detected in 99.9% of sera; 47% had concentrations greater than US population 95th percentiles. Five other PFAS were detected in greater than 82% of samples; median other PFAS concentrations were similar to the US general population. Serum PFOA was significantly associated with water source, sampling year, age at sampling, tap water consumption, pregnancy, gravidity and breastfeeding. Serum PFOA was 40-60% lower with granular activated carbon (GAC) use. Repeated measurements and pharmacokinetics suggest serum PFOA peaked 2000-2006 for participants using water without GAC treatment; where GAC was used, serum PFOA concentrations decreased from 1991 to 2012.ConclusionsMid-Ohio River Valley residents appear to have PFOA, but not other PFAS, serum concentrations above US population levels. Drinking water from the Ohio River and Ohio River Aquifer, primarily contaminated by industrial discharges 209-666 km upstream, is likely the primary exposure source. GAC treatment of drinking water mitigates, but does not eliminate, PFOA exposure.

Dataset Information

Draft Genome Sequences of Three Shewanella sp. Strains Isolated from Urban Freshwaters in the Ohio River Valley, USA.

Publications

Draft Genome Sequences of Three <i>Shewanella</i> sp. Strains Isolated from Urban Freshwaters in the Ohio River Valley, USA.

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