Enterotoxigenic potential of Bacillus cereus strains isolated from dairy products at different incubation temperatures


Citation

Montanhini M. T. M., . and Montanhini Neto R., . and Bersot L. S., . Enterotoxigenic potential of Bacillus cereus strains isolated from dairy products at different incubation temperatures. pp. 1315-1317. ISSN 22317546

Abstract

Twenty-three Bacillus cereus strains isolated from powdered and pasteurized milk carrying the hblACD genes were assessed to evaluate their ability to produce the hemolysin BL enterotoxin (HBL) when incubated at 30C and 10C. All strains showed enterotoxigenic potential at 30C and nine strains (39) produced the toxin at 10C. The results indicated that the expression of the hblACD genes and the subsequent production of the enterotoxin HBL were directly influenced by the incubation temperature. The contamination of dairy products by B. cereus with genetic potential to produce enterotoxins represents an important concern for the industry


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Abstract

Twenty-three Bacillus cereus strains isolated from powdered and pasteurized milk carrying the hblACD genes were assessed to evaluate their ability to produce the hemolysin BL enterotoxin (HBL) when incubated at 30C and 10C. All strains showed enterotoxigenic potential at 30C and nine strains (39) produced the toxin at 10C. The results indicated that the expression of the hblACD genes and the subsequent production of the enterotoxin HBL were directly influenced by the incubation temperature. The contamination of dairy products by B. cereus with genetic potential to produce enterotoxins represents an important concern for the industry

Additional Metadata

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Item Type: Article
AGROVOC Term: Bacillus cereus
AGROVOC Term: Dairy products
AGROVOC Term: Incubation of microorganisms
AGROVOC Term: Temperature
AGROVOC Term: Pasteurized milk
AGROVOC Term: Agglutination tests
AGROVOC Term: Contaminants
AGROVOC Term: Enterotoxins
AGROVOC Term: Refrigeration
AGROVOC Term: Toxicity
Depositing User: Ms. Suzila Mohamad Kasim
Last Modified: 24 Apr 2025 06:27
URI: http://webagris.upm.edu.my/id/eprint/22119

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