TABLE 2.

Effect of glycine on lysis of L. lactis NZ3900 (control) and L. lactis PH3960 (Δalr) in the presence or absence of d-Alaa

Strain% Glycine added% of maximum OD600
With D-AlaWithout D-Ala
NZ390009894
NZ390019497
NZ390028984
PH3960 (Δalr)09930
PH3960 (Δalr)1835.7
PH3960 (Δalr)2605.9
  • a Strains were grown until an OD600 of 0.5 was reached, after which the cultures were split in two, centrifuged, washed once with an equal volume of fresh medium, and resuspended in fresh medium. d-Ala (2 mM) and/or glycine (1 or 2%) were added and growth was followed during 22 h.