Cheesemaking with a Lactococcus lactis strain expressing a mutant oligopeptide binding protein as starter results in a different peptide profile.

Abstract excerpt

Lactic starters used for cheese manufacture play an important role in the production of bitter peptides and their degradation to non-bitter products. The oligopeptide transport system (Opp) of lactococci is essential for milk peptide utilization. The periplasmic substrate binding protein serves to capture the substrate with high affinity and to deliver it to a membrane-bound complex that translocates it inside...

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