Assessment of bacterial diversity in western Accra, Ghana, drinking water samples

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dc.contributor.authorEcklu-Mensah, G.
dc.contributor.authorSackey, S.T.
dc.contributor.authorMorrison, H.G.
dc.contributor.authoret.al
dc.date.accessioned2024-09-10T15:20:59Z
dc.date.available2024-09-10T15:20:59Z
dc.date.issued2019
dc.descriptionResearch Article
dc.description.abstractThe design and performance characteristics of municipal drinking water systems can profoundly influence public health. To assess the operational attributes of an Accra, Ghana drinking water distribution system, high-throughput 454 pyrosequencing was employed to characterize its bacterial community composition. Samples from the waterworks and four household sources (one household tap and three polytank storage units) were analyzed within one of Accra’s distribution networks over 4 months. Samples provided between 9,059 and 20,076 reads (average ¼ 13,056) that represented a broad range of bacterial diversity, including rare genera. Minimum Entropy Decomposition (MED) analysis showed that the sequences described four major assemblages. Assemblages 1 and 2 dominated the waterworks and household tap samples while polytank storage unit samples, with one exception, contained assemblages 3 or 4. The considerable bacterial taxonomic difference between different sources suggests that contamination and/or selective growth shapes bacterial community structures after treatment at the waterworks. Of particular interest are the major differences between the poly tank samples following storage and the tap/waterworks samples, suggesting that water storage (stagnation) can select for unique microbial populations
dc.identifier.otherDOI: 10.2166/washdev.2019.123
dc.identifier.urihttps://ugspace.ug.edu.gh/handle/123456789/42481
dc.language.isoen
dc.publisherJournal of Water, Sanitation and Hygiene for Development
dc.subject454 pyrotag sequencing
dc.subjectbacterial diversity
dc.subjectdrinking water
dc.subjectpolytanks
dc.subjectwater storage
dc.titleAssessment of bacterial diversity in western Accra, Ghana, drinking water samples
dc.typeArticle

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