Selection of Salmonella typhimurium as an indicator for pathogen regrowth potential in composted biosolids.

J. Sidhu; R.A. Gibbs; G.E. Ho; I. Unkovich

doi:10.1046/j.1365-2672.1999.00626.x

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Selection of Salmonella typhimurium as an indicator for pathogen regrowth potential in composted biosolids.

Journal article

Peer reviewed

Selection of Salmonella typhimurium as an indicator for pathogen regrowth potential in composted biosolids.

J. Sidhu, R.A. Gibbs, G.E. Ho and I. Unkovich

Letters in Applied Microbiology, Vol.29(5), pp.303-7

11/1999

DOI: https://doi.org/10.1046/j.1365-2672.1999.00626.x

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Abstract

In order to select a suitable indicator for monitoring the pathogen regrowth potential of composted biosolids, the growth kinetics of selected bacteria were investigated. Growth parameters of six serovars of Salmonella and three strains of Escherichia coli in sterilized compost were compared. Seeded Salmonella and E. coli grew rapidly, reaching population densities of more than 10(8) g-1 after 30 h of incubation. The specific growth rates of Salmonella serovars and E. coli strains were similar and varied from 0.49 to 0.55 h-1. The specific growth rate of the Salm. Typhimurium isolates was significantly higher than the other bacterial strains. It was concluded that an antibiotic-resistant strain of Salm. Typhimurium can be used as an indicator for a pathogen regrowth potential test.

Details

Title: Selection of Salmonella typhimurium as an indicator for pathogen regrowth potential in composted biosolids.
Authors/Creators: J. Sidhu (Author/Creator) - Murdoch University
R.A. Gibbs (Author/Creator) - Murdoch University
G.E. Ho (Author/Creator) - Murdoch University
I. Unkovich (Author/Creator) - Water Corporation of Western Australia (Australia)
Publication Details: Letters in Applied Microbiology, Vol.29(5), pp.303-7
Publisher: Wiley
Identifiers: 991005540172707891
Copyright: © 1999 The Society for Applied Microbiology
Murdoch Affiliation: School of Environmental Science
Language: English
Resource Type: Journal article

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#12 Responsible Consumption & Production

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37 Times Cited - Web of Science

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Citation topics: 3 Agriculture, Environment & Ecology; 3.45 Soil Science; 3.45.1441 Composting Innovations
Web Of Science research areas: Biotechnology & Applied Microbiology; Microbiology
ESI research areas: Biology & Biochemistry