Does peptidomic analysis reveal proteolytic activity of kefir microorganisms on bovine milk proteins?
The model kefir sample contained thousands of protein fragments released in part by kefir microorganisms and in part by native milk proteases.
These findings suggest that PMEN1 is a paradigm of genetic success both through its epidemiology and promiscuity. These findings also challenge the existing views about horizontal gene transfer among pneumococci.