ArticleApplied and environmental microbiology2011
Genotypic diversity of Escherichia coli in the water and soil of tropical watersheds in Hawaii.
Article in Applied and environmental microbiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- Do Sanitation Improvements Reduce Fecal Contamination of Water, Hands, Food, Soil, and Flies? Evidence from a Cluster-Randomized Controlled Trial in Rural Bangladesh.Environmental science & technology · 2018Trial
- Diversity of Plasmids and Genes Encoding Resistance to Extended-Spectrum β-Lactamase inMicroorganisms · 2021Article
- Genotypic diversity in multi-drug-resistant E. coli isolated from animal feces and Yamuna River water, India, using rep-PCR fingerprinting.Environmental monitoring and assessment · 2020Article
- Predictive Models May Complement or Provide an Alternative to Existing Strategies for Assessing the Enteric Pathogen Contamination Status of Northeastern Streams Used to Provide Water for Produce Production.Frontiers in sustainable food systems · 2020Article
- Landscape, Water Quality, and Weather Factors Associated With an Increased Likelihood of Foodborne Pathogen Contamination of New York Streams Used to Source Water for Produce Production.Frontiers in sustainable food systems · 2020Article
- Complex Interactions Between Weather, and Microbial and Physicochemical Water Quality Impact the Likelihood of Detecting Foodborne Pathogens in Agricultural Water.Frontiers in microbiology · 2020Article
- Predictors of Enteric Pathogens in the Domestic Environment from Human and Animal Sources in Rural Bangladesh.Environmental science & technology · 2019Article
- Continuous Flow-Constructed Wetlands for the Treatment of Swine Waste Water.International journal of environmental research and public health · 2018Article
- Animal Feces Contribute to Domestic Fecal Contamination: Evidence from E. coli Measured in Water, Hands, Food, Flies, and Soil in Bangladesh.Environmental science & technology · 2017Article
- Distribution and Characterization of Salmonella enterica Isolates from Irrigation Ponds in the Southeastern United States.Applied and environmental microbiology · 2015Article
- Estimating the prevalence of potential enteropathogenic Escherichia coli and intimin gene diversity in a human community by monitoring sanitary sewage.Applied and environmental microbiology · 2014Article
- Evidence for coexistence of distinct Escherichia coli populations in various aquatic environments and their survival in estuary water.Applied and environmental microbiology · 2013Article
- Predicting Salmonella populations from biological, chemical, and physical indicators in Florida surface waters.Applied and environmental microbiology · 2013Article
- Spatial and temporal variation in enterococcal abundance and its relationship to the microbial community in Hawaii beach sand and water.Applied and environmental microbiology · 2013Article
- Phenotypic and Genotypic Characterization of Escherichia coli Isolated from Untreated Surface Waters.The open microbiology journal · 2013Article
- Genetic Characterization of Legionella pneumophila Isolated from a Common Watershed in Comunidad Valenciana, Spain.PloS one · 2013Article
- Correlation of intracellular trehalose concentration with desiccation resistance of soil Escherichia coli populations.Applied and environmental microbiology · 2012Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
High levels of Escherichia coli were frequently detected in tropical soils in Hawaii, which present important environmental sources of E. coli to water bodies. This study systematically examined E. coli isolates from water and soil of several watersheds in Hawaii and observed high overall genotypic diversity (35.5% unique genotypes). In the Manoa watershed, fewer than 9.3% of the observed E. coli genotypes in water and 6.6% in soil were shared between different sampling sites, suggesting the lack of dominant fecal sources in the watershed. High temporal variability of E. coli genotypes in soil was also observed, which suggests a dynamic E. coli population corresponding with the frequently observed high concentrations in tropical soils. When E. coli genotypes detected from the same sampling events were compared, limited sharing between the soil and water samples was observed in the majority of comparisons (73.5%). However, several comparisons reported up to 33.3% overlap of E. coli genotypes between soil and water, illustrating the potential for soil-water interactions under favorable environmental conditions. In addition, genotype accumulation curves for E. coli from water and soil indicated that the sampling efforts in the Manoa watershed could not exhaust the overall genotypic diversity. Comparisons of E. coli genotypes from other watersheds on Oahu, Hawaii, identified no apparent grouping according to sampling locations. The results of the present study demonstrate the complexity of using E. coli as a fecal indicator bacterium in tropical watersheds and highlight the need to differentiate environmental sources of E. coli from fecal sources in water quality monitoring.
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