Survival and growth of Vibrio cholerae and Escherichia coli in treated groundwater consumed in northern Cameroon
Abstract Treated groundwater is a major source of drinking water but subject to potential contamination of fecal–oral pathogens. To understand ecology of the pathogens in the treated water, this study evaluated survival and growth of Vibrio cholerae and Escherichia coli in the treated groundwater in...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2020-11-01
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| Series: | Applied Water Science |
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| Online Access: | http://link.springer.com/article/10.1007/s13201-020-01328-7 |
| _version_ | 1818399993690587136 |
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| author | Moussa Djaouda Zoua Wadoubé Odile Baponwa Soumayyata Youssoufa Bouba Gaké Song Liang Moïse Nola |
| author_facet | Moussa Djaouda Zoua Wadoubé Odile Baponwa Soumayyata Youssoufa Bouba Gaké Song Liang Moïse Nola |
| author_sort | Moussa Djaouda |
| collection | DOAJ |
| description | Abstract Treated groundwater is a major source of drinking water but subject to potential contamination of fecal–oral pathogens. To understand ecology of the pathogens in the treated water, this study evaluated survival and growth of Vibrio cholerae and Escherichia coli in the treated groundwater in northern Cameroon. E. coli and V. cholerae O1 were isolated from human feces. Water samples were collected from the following sources: a well, tap water from the Cameroon Water Utilities Company, and mineral and borehole waters sold in Maroua, respectively. These waters were treated by one or more processes, including autoclaving, filtration, chlorination and ozonation and were used for the constitution of microcosms. E. coli and V. cholerae were inoculated into each microcosm at respective concentrations of 50 CFU/10 mL (separately) and 40 CFU/10 mL each (together). All bacterial strains survived in all microcosms were used. The ability to survive and grow varied with the bacterial strain and microcosm (P < 0.05). When inoculated separately into the same type of microcosms, V. cholerae grew faster than E. coli with the latter even showing decrease in concentration in mineral water. When inoculated together, V. cholerae grew faster than E. coli, except in autoclaved well water and filtered and autoclaved well water. Autochthonous ultramicroflora inhibited the growth of E. coli in filtered well water (P < 0.05). |
| first_indexed | 2024-12-14T07:29:30Z |
| format | Article |
| id | doaj.art-60933f4bd704448a9fd2fd8d2d706dd1 |
| institution | Directory Open Access Journal |
| issn | 2190-5487 2190-5495 |
| language | English |
| last_indexed | 2024-12-14T07:29:30Z |
| publishDate | 2020-11-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Applied Water Science |
| spelling | doaj.art-60933f4bd704448a9fd2fd8d2d706dd12022-12-21T23:11:24ZengSpringerOpenApplied Water Science2190-54872190-54952020-11-01101211010.1007/s13201-020-01328-7Survival and growth of Vibrio cholerae and Escherichia coli in treated groundwater consumed in northern CameroonMoussa Djaouda0Zoua Wadoubé1Odile Baponwa2Soumayyata Youssoufa3Bouba Gaké4Song Liang5Moïse Nola6Higher Teachers’ Training College, University of MarouaFaculty of Science, University of MarouaHigher Teachers’ Training College, University of MarouaHigher Teachers’ Training College, University of MarouaCentre Pasteur du Cameroun, Annexe de GarouaEmerging Pathogens Institute, University of FloridaLaboratory of General Biology, University of Yaoundé IAbstract Treated groundwater is a major source of drinking water but subject to potential contamination of fecal–oral pathogens. To understand ecology of the pathogens in the treated water, this study evaluated survival and growth of Vibrio cholerae and Escherichia coli in the treated groundwater in northern Cameroon. E. coli and V. cholerae O1 were isolated from human feces. Water samples were collected from the following sources: a well, tap water from the Cameroon Water Utilities Company, and mineral and borehole waters sold in Maroua, respectively. These waters were treated by one or more processes, including autoclaving, filtration, chlorination and ozonation and were used for the constitution of microcosms. E. coli and V. cholerae were inoculated into each microcosm at respective concentrations of 50 CFU/10 mL (separately) and 40 CFU/10 mL each (together). All bacterial strains survived in all microcosms were used. The ability to survive and grow varied with the bacterial strain and microcosm (P < 0.05). When inoculated separately into the same type of microcosms, V. cholerae grew faster than E. coli with the latter even showing decrease in concentration in mineral water. When inoculated together, V. cholerae grew faster than E. coli, except in autoclaved well water and filtered and autoclaved well water. Autochthonous ultramicroflora inhibited the growth of E. coli in filtered well water (P < 0.05).http://link.springer.com/article/10.1007/s13201-020-01328-7Vibrio choleraeEscherichia coliDrinking waterNorthern Cameroon |
| spellingShingle | Moussa Djaouda Zoua Wadoubé Odile Baponwa Soumayyata Youssoufa Bouba Gaké Song Liang Moïse Nola Survival and growth of Vibrio cholerae and Escherichia coli in treated groundwater consumed in northern Cameroon Applied Water Science Vibrio cholerae Escherichia coli Drinking water Northern Cameroon |
| title | Survival and growth of Vibrio cholerae and Escherichia coli in treated groundwater consumed in northern Cameroon |
| title_full | Survival and growth of Vibrio cholerae and Escherichia coli in treated groundwater consumed in northern Cameroon |
| title_fullStr | Survival and growth of Vibrio cholerae and Escherichia coli in treated groundwater consumed in northern Cameroon |
| title_full_unstemmed | Survival and growth of Vibrio cholerae and Escherichia coli in treated groundwater consumed in northern Cameroon |
| title_short | Survival and growth of Vibrio cholerae and Escherichia coli in treated groundwater consumed in northern Cameroon |
| title_sort | survival and growth of vibrio cholerae and escherichia coli in treated groundwater consumed in northern cameroon |
| topic | Vibrio cholerae Escherichia coli Drinking water Northern Cameroon |
| url | http://link.springer.com/article/10.1007/s13201-020-01328-7 |
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