Effect of solar radiation and predacious microorganisms on survival of fecal and other bacteria

Author:

McCambridge J,McMeekin T A

Abstract

The effect of solar radiation and predacious microorganisms on the survival of bacteria of fecal and plant origin was studied. The decline in the numbers of Escherichia coli cells in estuarine water samples was found to be significantly greater in the presence of both naturally occurring microbial predators and solar radiation than when each of these factors was acting independently. The effect of solar radiation on microbial predators was negligible, whereas the susceptibility of bacteria to light-induced decay varied from one organism to another, as follows: Klebsiella pneumoniae greater than E. coli greater than Salmonella typhimurium, Streptococcus faecium, Enterobacter aerogenes, Erwinia herbicola.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference14 articles.

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2. Bickford E. D. and S. Dunn. 1973. Lighting for plant growth. Kent State University Press Kent Ohio.

3. Chamberlin C. E. and R. Mitchell. 1978. A decay model for enteric bacteria in natural waters p. 325-348. In R. Mitchell (ed.) Water pollution microbiology vol. 2. John Wiley & Sons New York.

4. Mutagenic and lethal effects of visible and near-ultraviolet light on bacterial cells;Eisenstark A.;Adv. Genet.,1971

5. Role of bacteria and protozoa in the removal of Escherichia coli from estuarine waters;Enzinger R. M.;Appl. Environ. Microbiol.,1976

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