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. 2020 Jan 10;10:2920. doi: 10.3389/fmicb.2019.02920

FIGURE 3.

FIGURE 3

Induction of viable but non-culturable (VBNC) Campylobacter jejuni F38011 (A), ATCC 33560 (B), NCTC 11168 (C) and 81-116 (D) under osmotic pressure in 7% (w/v) NaCl solution. Red circles (⚫) represent the viable cell counts quantified using PMA with real-time polymerase chain reaction (qPCR), while black squares (■) represent culturable cell counts determined using the plating assay. The difference between viable cells and culturable cells was considered as VBNC bacterial cells. The error bar was calculated based upon three replicates.