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1. WO2006097107 - LACTOSE-POSITIVE RECOMBINANT LEUCONOSTOC STRA

Publication Number WO/2006/097107
Publication Date 21.09.2006
International Application No. PCT/DK2006/000150
International Filing Date 15.03.2006
Chapter 2 Demand Filed 15.01.2007
IPC
C12N 1/21 2006.01
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
1Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
20Bacteria; Culture media therefor
21modified by introduction of foreign genetic material
A23L 3/3571 2006.01
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D91; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
3Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
34by treatment with chemicals
3454in the form of liquids or solids
3463Organic compounds; Microorganisms; Enzymes
3571Microorganisms; Enzymes
CPC
A23C 13/16
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
13Cream; Cream preparations
12Cream preparations
16containing, or treated with, microorganisms, enzymes, or antibiotics; Sour cream
A23C 17/02
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
17Buttermilk; Buttermilk preparations
02containing, or treated with, microorganisms or enzymes
A23C 19/0323
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
CDAIRY PRODUCTS, e.g. MILK, BUTTER, CHEESE; MILK OR CHEESE SUBSTITUTES; MAKING THEREOF
19Cheese; Cheese preparations; Making thereof
02Making cheese curd
032characterised by the use of specific microorganisms, or enzymes of microbial origin
0323using only lactic acid bacteria, e.g. Pediococcus and Leuconostoc species; Bifidobacteria; Microbial starters in general
A23Y 2260/15
AHUMAN NECESSITIES
23FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
YINDEXING SCHEME RELATING TO LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
2260Leuconostoc
15Carnosum
C07K 14/315
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
14Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
195from bacteria
315from Streptococcus (G), e.g. Enterococci
C12N 9/2445
CCHEMISTRY; METALLURGY
12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
9Enzymes; Proenzymes; Compositions thereof
14Hydrolases (3)
24acting on glycosyl compounds (3.2)
2402hydrolysing O- and S- glycosyl compounds (3.2.1)
2405Glucanases
2434acting on beta-1,4-glucosidic bonds
2445Beta-glucosidase (3.2.1.21)
Applicants
  • TECHNICAL UNIVERSITY OF DENMARK [DK]/[DK] (AllExceptUS)
  • JENSEN, Peter, Ruhdal [DK]/[DK] (UsOnly)
  • HELMARK, Søren [DK]/[DK] (UsOnly)
Inventors
  • JENSEN, Peter, Ruhdal
  • HELMARK, Søren
Agents
  • ZACCO DENMARK A/S
Priority Data
60/662,11115.03.2005US
PA 2005 0037215.03.2005DK
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) LACTOSE-POSITIVE RECOMBINANT LEUCONOSTOC STRA
(FR) SOUCHE DE LEUCONOSTOC DE RECOMBINAISON LACTOSE POSITIVE
Abstract
(EN)
The present invention provides a Leuconostoc bacterial strain for use in the diary industry to prevent the growth of pathogenic micro-organisms and thereby ensure the quality and safety of milk products produced by fermentation, including cheese, yoghurt, sour cream, buttermilk and kefir products. The Leuconostoc bacterial strain of the invention is a recombinant Leuconostoc carnosum strain, characterised by a lactose-positive phenotype with the ability to utilise lactose as sole carbon source. The invention provides a starter culture comprising the lactose-positive Leuconostoc carnosum of the invention for use in the manufacture of milk products, and milk products prepared with said Leuconostoc strain or said starter culture.
(FR)
L'invention concerne une souche bactérienne de Leuconostoc utilisée dans l'industrie laitière afin d'empêcher la croissance de micro-organismes pathogènes, ce qui permet d'assurer la qualité et l'innocuité de produits laitiers produits par fermentation, notamment, les fromages, les yaourts, la crème sure, le babeurre et les produits de kéfir. La souche bactérienne de Leuconostoc de l'invention est une souche Leuconostoc carnosum de recombinaison caractérisée par un phénotype lactose positif capable d'utiliser le lactose comme source unique de carbone. L'invention fournit une culture de départ comprenant le Leuconostoc carnosum lactose positif utilisé dans la production de produits laitiers et produits laitiers préparés à l'aide de la souche de Leuconostoc ou de la culture de départ.
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