Après le déluge: Microbial landscape of New Orleans after the hurricanes

Dobbs, Fred C.

doi:10.1073/pnas.0703191104

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…Disasters destroy all substructures, such as ground transportations, roads, sewage networks, and sewage treatment plants, leading to microbial contamination in coastal areas. Following hurricanes Katrina and Rita, several investigators evaluated exposure to chemical or microbial contamination originating from human and animal waste or the broader effects on algal blooms (7,10,25). Vibrio and Legionella concentrations were more abundant shortly after the events, and fecal indicator concentrations in offshore waters returned to prehurricane levels within 2 months (27).…”

mentioning

confidence: 99%

Impact of Xynthia Tempest on Viral Contamination of Shellfish

Grodzki

Ollivier

Saux

et al. 2012

Appl Environ Microbiol

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ABSTRACTViral contamination in oyster and mussel samples was evaluated after a massive storm with hurricane wind named “Xynthia tempest” destroyed a number of sewage treatment plants in an area harboring many shellfish farms. Although up to 90% of samples were found to be contaminated 2 days after the disaster, detected viral concentrations were low. A 1-month follow-up showed a rapid decrease in the number of positive samples, even for norovirus.

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mentioning

confidence: 99%

Impact of Xynthia Tempest on Viral Contamination of Shellfish

Grodzki

Ollivier

Saux

et al. 2012

Appl Environ Microbiol

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The Environmental and Medical Geochemistry of Potentially Hazardous Materials Produced by Disasters

Plumlee¹,

Morman²,

Meeker³

et al. 2014

Treatise on Geochemistry

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Large, but short-term, increase in fecal indicator bacteria following extreme flooding from Hurricane Harvey in Houston, TX

Mukherjee,

Hossain,

Boswell

et al. 2024

Front. Water

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Hurricane Harvey caused widespread flooding along the Texas Gulf Coast in August 2017; some areas of Houston received >150 cm of rainfall within a few days. Due to concerns over fecal contamination of floodwaters, surface water samples were collected at six locations in the southeastern Houston area immediately before and after the hurricane and then every 1 to 2 weeks thereafter over a 2-month period. Total E. coli was enumerated using the IDEXX Quanti-Tray/2000 system. DNA extracted from water samples was analyzed via quantitative real-time PCR (qPCR) for general and source-specific total Bacteroidales and human Bacteroidales markers, and digital PCR (dPCR) for antibiotic resistance genes (ARG) and a plasmid (pBI143) associated with human waste. SourceTracker2 was used to determine human source contributions based on metagenomic analysis of PCR-amplified 16S rRNA gene fragments. Samples collected immediately after the hurricane had elevated levels of E. coli, ranging from 488 to 1,733 CFU 100 ml−1. After 1 week, E. coli levels decreased to <100 MPN 100 ml−1. Total Bacteroidales numbers were elevated immediately following the hurricane and remained high for 12 days. Human-source contributions, as assessed by PCR methods and metagenomic analysis, peaked within 12 days after the hurricane consistently across all sampling sites. Multiple regression analysis of environmental parameters, copies of ARG and pBI143, and metagenomic data confirmed that human waste caused the dramatic, short-term, high levels of fecal contamination of floodwaters generated by Hurricane Harvey. Fecal indicators approached normal background levels approximately 3 weeks after the rainfall ended.

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Après le déluge: Microbial landscape of New Orleans after the hurricanes

Cited by 3 publications

References 8 publications

Impact of Xynthia Tempest on Viral Contamination of Shellfish

Impact of Xynthia Tempest on Viral Contamination of Shellfish

The Environmental and Medical Geochemistry of Potentially Hazardous Materials Produced by Disasters

Large, but short-term, increase in fecal indicator bacteria following extreme flooding from Hurricane Harvey in Houston, TX

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