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Abstract
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Article Information:
Occurrence of Plasmid Borne Multiple Antibiotic Resistant Genes in Escherichia coli Isolated from Well Water in Eku, Ethiope East Local Government Area, Delta State, Nigeria
E. Akponah
Corresponding Author: E. Akponah
Submitted: November 20, 2013
Accepted: December 04, 2013
Published: May 20, 2014 |
Abstract:
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Five wells in Eku were assessed for total heterotrophic bacterial and coliform counts from January to December. Sixty isolates of Escherichia coli were also obtained from the well water samples throughout the study period. It was observed that, values of total heterotrophic bacterial and coliform load obtained varied with seasons although the total heterotrophic bacterial counts were significantly higher than the coliform load at all times. During the dry season, values of the total heterotrophic bacterial count ranged from 2.08 to 5.48 (log cfu/mL) while coliform counts ranged from 2.3 to 3.26 (log cfu/mL). On the other hand, total heterotrophic bacterial and coliform counts ranged from 3.34 to 7.14 (log cfu/mL) and 3.15 to 3.98 (log cfu/mL) respectively during the rainy season. Results obtained revealed that 76.6% of total Escherichia coli isolates evaluated, demonstrated multiple antibiotics resistance while 18.3% showed single antibiotics resistance. On curing, 83.3% of test Escherichia coli population lost their antibiotics resistant gene indicating that these genes resided on plasmid.
Key words: Antibiotics resistance, Escherichia coli , plasmid, well water, , ,
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Cite this Reference:
E. Akponah, . Occurrence of Plasmid Borne Multiple Antibiotic Resistant Genes in Escherichia coli Isolated from Well Water in Eku, Ethiope East Local Government Area, Delta State, Nigeria . Current Research Journal of Biological Sciences, (3): 117-121.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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