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Temperature Stress Affects Survival and Antibiotic Susceptibility of Pathogenic and Indicator Bacteria in Drinking Water Dispensing System

Author

Listed:
  • Olusoji Olusegun Adebisi

    (University of Ilorin, Nigeria.)

  • Toyin Olayemi Agbabiaka

    (University of Ilorin, Ilorin.)

  • Tayo Modupe Kayode-Isola

    (Adeniran Ogunsanya College of Education, Nigeria.)

  • Frank Olakunle Otuyelu

    (University of Ilorin, Nigeria.)

Abstract

Point-of-use water treatment and dispensing systems are becoming common features in middle-to-upper class homes and public spaces. However, their effectiveness at providing potable water is yet to be substantiated. In this study, the effect of temperature stress (cold ≈ 10oC and hot ≈ 78oC) on survival of three pathogenic (Salmonella typhi, Shigella dysenteriae, Vibrio cholerae), a nuisance (Proteus vulgaris) and the indicator (Escherichia coli) bacteria was evaluated in water dispensers. Individual test organism was spiked into pre-sterilized distilled water in a 25-L dispenser bottle. The bottle was fitted and the machine set on to allow the organisms acclimatized for 30 mins before samples were collected. The holding temperatures apparently had an immediate significant inhibitory effect (p

Suggested Citation

Handle: RePEc:epw:ejbio0:v:1:y:2020:i:3:id:17038
DOI: 10.24018/ejbio.2020.1.3.38
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