LACTIC ACID BACTERIA COMPOSITION FOR PREPARING FERMENTED FOOD PRODUCTS

The invention relates to a composition for producing a fermented milk product com- prising: (i) a starter culture comprising a glucose-fermenting Streptococcus ther- mophilus (St) strain and a glucose-fermenting Lactobacillus delbrueckii subsp. bul- garicus (Lb) strain; and (ii) a glucose-deficient...

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Bibliographische Detailangaben
Hauptverfasser:	LARRERE, Fanny, COLSON, Benoit, MARCHAL, Laurent, DEPIERRIS, Anne, BLOCH, Sonja, CHRISTENSEN, Nanna, SOUCÉ, Marie-Agnès, BUCHHORN, Gaelle Lettier
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BEER BIOCHEMISTRY CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE ENZYMOLOGY FOODS OR FOODSTUFFS HUMAN NECESSITIES MAKING THEREOF METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MILK OR CHEESE SUBSTITUTES MUTATION OR GENETIC ENGINEERING PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPIRITS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES VINEGAR WINE
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Beschreibung
Zusammenfassung:	The invention relates to a composition for producing a fermented milk product com- prising: (i) a starter culture comprising a glucose-fermenting Streptococcus ther- mophilus (St) strain and a glucose-fermenting Lactobacillus delbrueckii subsp. bul- garicus (Lb) strain; and (ii) a glucose-deficient Streptococcus thermophilus (St) strain, wherein said St strain is galactose-fermenting and carries a mutation in the DNA sequence of the glcK gene encoding a glucokinase protein, which mutation inactivates the glucokinase protein or has a negative effect on expression of the gene. L'invention concerne une composition pour la production d'un produit laitier fermenté comprenant : (i) une culture de départ comprenant une souche de Streptococcus thermophilus (St) fermentant le glucose et une souche de Lactobacillus delbrueckii subsp. Bul-garicus (Lb) fermentant le glucose ; et (ii) une souche Streptococcus thermophilus déficiente en glucose (St), ladite première souche fermentant le galactose et portant une mutation dans la séquence d'ADN du gène glK codant pour une protéine de glucokinase, ladite mutation inactivant la protéine de glucokinase ou ayant un effet négatif sur l'expression du gène.