The observed effect of cell lysis may be more pronounced in high
glucose containing media as addition of glucose to BHI resulted in an increased
acidification as shown previously by van der Veen and Abee or L.plantarumWCFS1. The presence of glucose allows the pH to
drop to pH 3.5 and this may increase cell death in time and favour cell
lysis. In this scenario, the strains which are more prone to autolysis
are likely to be qualified as better biofilm formers as cell lysis results
in more eDNA, proteins and other intracellular components that can
bind CV