Efficient method for generation of bacteriophage insensitive mutants of Streptococcus thermophilus yoghurt and mozzarella strains.

Abstract excerpt

Bacteriophage infection of Streptococcus thermophilus is becoming increasingly problematic in many industry fermentations such as yoghurt and mozzarella manufacture. This study describes the development of an efficient and rapid 3-step approach for the generation of bacteriophage insensitive mutants (BIMs) of these starter strains. The method initially involves infection of a culture in solid media at a...

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