| abstract |
The invention relates to two new Streptococcus thermophilus bacteriocins having the amino acid sequences SEQ ID NO:1 and SEQ ID NO:2, the signal peptides of these two bacteriocins, the nucleotide sequences encoding these bacteriocins especially an operon encoding the said bacteriocins having the sequence SEQ ID NO:3, the strains producing at least one of these bacteriocins especially the strain CNCM I-1351, a method for producing a supernatant extract comprising at least one of these two bacteriocins, and use of these bacteriocins in the preparation of food products, especially cheeses and acidified milks, and cosmetic products as active agent against pathogens. |