Protective effect by Bacillus smithii TBMI12 spores of Salmonella serotype Enteritidis in mice

Avoiding food-borne diseases by competitive exclusion agents is a proactive strategy. In the current paper, we report the use of Bacillus smithii TBMI12 spores as potential competitive exclusion agents. One group of mice was predosed for three successive days with 108 colony forming units of B. smit...

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Veröffentlicht in:	Beneficial microbes 2010-03, Vol.1 (1), p.37-42
Hauptverfasser:	Suitso, I, Jõgi, E, Talpsep, E, Naaber, P, Lõivukene, K, Ots, M, Michelson, T, Nurk, A
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Bacillus - physiology Bacillus smithii Business competition Colonies Disease Models, Animal Female Foodborne diseases Foodborne Diseases - drug therapy Foodborne Diseases - microbiology Foodborne Diseases - prevention & control Gastrointestinal Tract - microbiology Humans Inoculation Male Mice Mice, Inbred BALB C Microorganisms Probiotics - administration & dosage Protective Agents - administration & dosage Salmonella Salmonella enteritidis - physiology Salmonella Infections - drug therapy Salmonella Infections - microbiology Salmonella Infections - prevention & control Spores Spores, Bacterial - growth & development
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Beschreibung
Zusammenfassung:	Avoiding food-borne diseases by competitive exclusion agents is a proactive strategy. In the current paper, we report the use of Bacillus smithii TBMI12 spores as potential competitive exclusion agents. One group of mice was predosed for three successive days with 108 colony forming units of B. smithii TBMI12 spores followed by inoculation with 106 colony forming units of wild-type Salmonella enterica serotype Enteritidis cells. Microbial plate counts of the animals' livers and spleens showed that only 40% of the mice were infected with S. enterica serotype Enteritidis, while the control group was 100% infected. These results suggest that B. smithii TBMI12 spores may protect against infection by S. enterica serotype Enteritidis.
ISSN:	1876-2883 1876-2891
DOI:	10.3920/BM2008.1001