ArticleCurrent microbiology2015
High-throughput DNA microarray detection of pathogenic bacteria in shallow well groundwater in the Kathmandu Valley, Nepal.
Article in Current microbiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Microbial and Chemical Water Quality Assessments Across the Rural and Urban Areas of Nepal: A Scoping Review.International journal of environmental research and public health · 2025Article
- A narrative review of wastewater surveillance: pathogens of concern, applications, detection methods, and challenges.Frontiers in public health · 2024Review
- Waterborne pathogens detection technologies: advances, challenges, and future perspectives.Frontiers in microbiology · 2023Review
- Molecular Diagnostic Tools Applied for Assessing Microbial Water Quality.International journal of environmental research and public health · 2022Review
- Review
- Gut microbiome transition across a lifestyle gradient in Himalaya.PLoS biology · 2018Article
- Development of a Quantitative PCR Assay for Arcobacter spp. and its Application to Environmental Water Samples.Microbes and environments · 2018Article
- Quantification and Genotyping of Aichi Virus 1 in Water Samples in the Kathmandu Valley, Nepal.Food and environmental virology · 2017Article
- Recent developments in detection and enumeration of waterborne bacteria: a retrospective minireview.MicrobiologyOpen · 2016Review
- Waterborne pathogens: detection methods and challenges.Pathogens (Basel, Switzerland) · 2015Review
Corrections and comments
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Because of heavy dependence on groundwater for drinking water and other domestic use, microbial contamination of groundwater is a serious problem in the Kathmandu Valley, Nepal. This study investigated comprehensively the occurrence of pathogenic bacteria in shallow well groundwater in the Kathmandu Valley by applying DNA microarray analysis targeting 941 pathogenic bacterial species/groups. Water quality measurements found significant coliform (fecal) contamination in 10 of the 11 investigated groundwater samples and significant nitrogen contamination in some samples. The results of DNA microarray analysis revealed the presence of 1-37 pathogen species/groups, including 1-27 biosafety level 2 ones, in 9 of the 11 groundwater samples. While the detected pathogens included several feces- and animal-related ones, those belonging to Legionella and Arthrobacter, which were considered not to be directly associated with feces, were detected prevalently. This study could provide a rough picture of overall pathogenic bacterial contamination in the Kathmandu Valley, and demonstrated the usefulness of DNA microarray analysis as a comprehensive screening tool of a wide variety of pathogenic bacteria.
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Registered trials
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