TABLE 6

Competition of E. faecalis with preincubated X. nematophila in Grace's medium

StrainMean CFU/ml (SEM) (×108)
Initial cell densityaCell density after 24 hb
X. nematophilaE. faecalisX. nematophilaE. faecalis
WT14.3 (1.2)0.7 (0.0)9.1 (0.9)0.7 (0.3)
ΔxcnKL strain13.9 (1.4)0.7 (0.0)5.6 (0.4)0.1 (0.0)
F45.5 (5.3)0.7 (0.0)19.3 (1.3)0.9 (0.1)
ΔxcnKL:F strain26.4 (2.2)0.7 (0.0)3.0 (0.5)0.4 (0.0)
ngrA strain31.6 (2.8)0.7 (0.0)18.7 (2.8)2.1 (0.4)
  • a Cell density at start of competition after X. nematophila was preincubated for 11.5 h.

  • b Cell density after 24 h of competition.