Formation and Resuscitation of Viable but Nonculturable Salmonella typhi : Figure 1

(a)

(b)

Figure 1: (a) Entry of S. typhi into the VBNC state in a microcosm at −20°C, as determined by AODC (■), DVC (●) and plate counting (▲) methods. (b) Entry of S. typhi into the VBNC state in a microcosm stimulated by CuSO₄ at concentrations of 0.01 mmol/L (▼) and 0.015 mmol/L (▲) by plate counting, AODC (■) and DVC (●).