Assessment of bacterial diversity in western Accra, Ghana, drinking water samples
The 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 c...
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| Veröffentlicht in: | Journal of water, sanitation, and hygiene for development sanitation, and hygiene for development, 2019-12, Vol.9 (4), p.644-661 |
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| container_title | Journal of water, sanitation, and hygiene for development |
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| creator | Ecklu-Mensah, Gertrude Sackey, Sammy T. Morrison, Hilary G. Sogin, Mitchell L. Murphy, Leslie G. Reznikoff, William S. |
| description | The 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 the Accra's distribution networks over a 4-month period. Samples provided between 9,059 and 20,076 reads (average = 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 polytank samples following storage and the tap/waterworks samples, suggesting that water storage (stagnation) can select for unique microbial populations. |
| doi_str_mv | 10.2166/washdev.2019.123 |
| format | Article |
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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 the Accra's distribution networks over a 4-month period. Samples provided between 9,059 and 20,076 reads (average = 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. 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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 the Accra's distribution networks over a 4-month period. Samples provided between 9,059 and 20,076 reads (average = 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 polytank samples following storage and the tap/waterworks samples, suggesting that water storage (stagnation) can select for unique microbial populations.</description><subject>Bacteria</subject><subject>Community composition</subject><subject>Distribution</subject><subject>Drinking water</subject><subject>Entropy</subject><subject>Genera</subject><subject>Households</subject><subject>Microorganisms</subject><subject>Polyethylene</subject><subject>Public health</subject><subject>Storage units</subject><subject>Water analysis</subject><subject>Water distribution</subject><subject>Water distribution systems</subject><subject>Water engineering</subject><subject>Water quality</subject><subject>Water sampling</subject><subject>Water storage</subject><subject>Water supply</subject><subject>Water utilities</subject><subject>Waterworks</subject><issn>2043-9083</issn><issn>2408-9362</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNotkM1LAzEQxYMoWGrvHgNe3XXy0ezmWIpWoSCCnkOSTWy0zdZk29L_3pT29IaZN_OGH0L3BGpKhHg66Lzq3L6mQGRNKLtCI8qhrSQT9LrUwFkloWW3aJJzMMAIlVy00xH6mOXsct64OODeY6Pt4FLQa9yFvUs5DEccIj64XNoRz6xN-hEvVjoW6VKIvyF-44MuU5z1Zrt2-Q7deL3ObnLRMfp6ef6cv1bL98XbfLasLCNsqCTn0HGYErCmE4YT3WhquGZtxy3l2nMvAQyV1HrqvBTe07IpDJNyCr5hY_RwvrtN_d-uPKh--l2KJVLRRlCQsgFWXHB22dTnnJxX2xQ2Oh0VAXVipy7s1ImdKuzYP5CFY50</recordid><startdate>20191201</startdate><enddate>20191201</enddate><creator>Ecklu-Mensah, Gertrude</creator><creator>Sackey, Sammy T.</creator><creator>Morrison, Hilary G.</creator><creator>Sogin, Mitchell L.</creator><creator>Murphy, Leslie G.</creator><creator>Reznikoff, William S.</creator><general>IWA Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H97</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope></search><sort><creationdate>20191201</creationdate><title>Assessment of bacterial diversity in western Accra, Ghana, drinking water samples</title><author>Ecklu-Mensah, Gertrude ; 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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 the Accra's distribution networks over a 4-month period. Samples provided between 9,059 and 20,076 reads (average = 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. 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| subjects | Bacteria Community composition Distribution Drinking water Entropy Genera Households Microorganisms Polyethylene Public health Storage units Water analysis Water distribution Water distribution systems Water engineering Water quality Water sampling Water storage Water supply Water utilities Waterworks |
| title | Assessment of bacterial diversity in western Accra, Ghana, drinking water samples |
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