Compagnie Gervais Danone

Pierre Brignon

Laurent Benbadis

François Gendre

Fran&ccedil;ois Gendre

The invention concerns mutantstrains bearing a nonsense mutation, in at least one of the sequences coding for the lactose operon, and free from &#x3b2;-galactosidase activity, and lactic starters comprising these strains. The strains and starters can be used to obtain fermented milk products from glucose-added milk.

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The invention concerns mutantstrains bearing a nonsense mutation, in at least one of the sequences coding for the lactose operon, and free from &#x3b2;-galactosidase activity, and lactic starters comprising said strains. Said strains and starters can be used to obtain fermented milk products from glucose-added milk.

Mutant Lactobacillus bulgaricus strains free from &#x3b2;-galactoside activity

A process for detecting live microbiological contaminants in a food product sample, according to which the presence of mRNA coding for the synthesis of a protein involved in the synthesis of proteins by the contaminants is detected in the sample.

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Strasbourg, France

Pierre Brignon