Survival of Campylobacter Jejuni in Aquatic Milieus
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Authors
Geshnizgani, Ali Maddahi
Issue Date
1986-08-25
Type
Thesis
Language
en_US
Keywords
Aquatic Milieus , Campylobacter Jejuni
Alternative Title
Abstract
Campylobacter jejuni has been isolated from a eutrophic pond and its occurrence in aquatic ecosystems may be attributed to prolonged survival. This study compared the relative survival of a clinical isolate and an environmental isolate of C. jejuni in aquatic milieus held at 4, 25, and 37 °C. Exposure of these isolates to aquatic stresses resulted in significant injuries as reflected by a dramatic drop of viable cell counts on standard selective media. Organisms in pond water kept at 25°C died within one day, whereas those in pond water sediment survived for up to 20 At 4 °C days, the organisms in sediment remained viable for up to 30 days. No viable organisms were detected after one day at 37°C. In seawater and sediment, however, the organisms did not survive at any of the measured temperatures for more than one day. C. jejuni survived longer when it was associated with algae or in the presence of metal ions such as magnesium, manganese, calcium, potassium, zinc and copper. The ability of C. jejuni to survive for longer times in sediment suggests that sediment may serve as a reservoir for this enteric pathogen.
Description
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Citation
A.M. Geshnizgani, "Survival of Campylobacter Jejuni in Aquatic Milieus", Thesis, School of Arts & Sciences, Univ. of Bridgeport, Bridgeport, CT, 1986.